{"eid":"buildkite","name":"Buildkite","domain":"buildkite.com","resolved_by":"domain","topics":["ci-cd-runners","compute","storage"],"n_records":4,"best_vorder":1,"review":null,"aliases":["Buildkite","Buildkite Free","Buildkite hosted agents","buildkite artifacts","buildkite.com"],"records":[{"rid":"ci-cd-runners/buildkite-free","card":{"rid":"ci-cd-runners/buildkite-free","eid":"buildkite","topic":"ci-cd-runners","slug":"buildkite-free","provider":"Buildkite Free","url":"https://buildkite.com/pricing","domain":"buildkite.com","category":"CI runner","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","self_hosted":0,"confidence":"documented","binding":"volume-quota","identity_kind":"email","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"git,cli","egress_metered":1,"per_object_bytes":10737418240,"retention_days":30,"verified_at":"2026-11-03T00:32:22.884Z","verified_basis":"live","checked_on":"2026-11-03","stale_on":"2026-12-04","n_evidence":19,"usd_month":null,"usd_per_tb_month":null,"summary":"5 users, 10 concurrent jobs and 2,000 Linux vCPU-minutes a month, plus 250,000 test executions a month","duplicate_of":null,"n_unknown":1,"free_unit":"minutes"},"record":{"topic":"ci-cd-runners","slug":"buildkite-free","provider":"Buildkite Free","url":"https://buildkite.com/pricing","category":"CI runner","free_tier":{"stated":"5 users, 10 concurrent jobs and 2,000 Linux vCPU-minutes a month, plus 250,000 test executions a month","unit":"minutes","source_url":"https://buildkite.com/pricing","read_on":"2026-10-22","metered_on":"wall-clock"},"per_object_cap":{"stated":"10 GiB per artifact uploaded from an agent, and 50 GiB of artifacts in one job's upload batch","bytes":10737418240},"retention":{"stated":"builds are stored 30 days on the Free plan (90 on Pro, 365 on Enterprise) and artifacts 30 days; the vCPU-minute pool is monthly","days":30,"source_url":"https://buildkite.com/pricing"},"egress":{"terms":"artifact downloads: 250 GB a month on the Free plan, 2.5 TB a month on Pro and then USD 0.10 per GB; no charge for network traffic from a hosted agent is published on the pricing, limits or hosted-agent pages","metered":true,"free_allowance":"250 GB a month of artifact downloads","price_per_tb":"USD 100 per TB of artifact downloads beyond the Pro allowance; the Free plan names no overage","source_url":"https://buildkite.com/pricing/feature-comparison"},"interface":["git","cli"],"interface_detail":"an agent you run, with Buildkite as the control plane; the bk CLI and a REST API","tooling":"Buildkite-hosted Linux agents on the Free plan, small shape only, run the jobs with no machine of the user's; their outbound traffic comes from IP address ranges shared across customers, and dedicated static addresses are requested from Support; the buildkite-agent binary can also run on a VM from another provider and take jobs from the same pipelines","chaining":"the Free plan supplies both the scheduler and a hosted machine; once the monthly vCPU-minute pool is spent, the same pipelines can dispatch to a buildkite-agent on a free or rented VM from another provider, which counts against the 10 concurrent self-hosted jobs rather than the pool","limits":[{"kind":"volume-quota","value":"Up to 2,000 Linux vCPU-minutes a month of Buildkite-hosted agents on the Free plan (Pro includes 4,000); usage is the shape's vCPU count times job runtime","source":"https://buildkite.com/docs/platform/limits"},{"kind":"request-rate","value":"5 users on Free","source":"https://buildkite.com/pricing"},{"kind":"request-rate","value":"Linux hosted-agent concurrency of 20 vCPU on the Free plan, which is 10 small machines at 2 vCPU each; further jobs queue until capacity frees","source":"https://buildkite.com/docs/platform/limits"},{"kind":"retention-clamped","value":"Job timeout of 4 hours on the Free plan; unlimited on Pro and Enterprise","source":"https://buildkite.com/docs/platform/limits"}],"binding":"volume-quota","identity_cost":{"kind":"email","detail":"the signup form asks for a full name, an email and a password, or a GitHub sign-in; the Free plan states 'No credit card required'; the form has no phone or card field","country":null},"reliability_note":"no reliability event recorded","confidence":"documented","confidence_note":"the pricing page was read and lists the Free column explicitly.","evidence":[{"url":"https://buildkite.com/pricing","date":"2026-10-22","proved":"the Free column: 'Up to 2,000 Linux vCPU minutes per month', 'Up to 250k test executions per month', 10 concurrent agents with 10 included, 5 users; Pro includes 4,000 Linux vCPU minutes"},{"url":"https://buildkite.com/pricing","date":"2026-10-22","proved":"Free: up to 5 users, up to 10 concurrent jobs, up to 2,000 Linux vCPU-minutes a month; hosted agents at USD 0.004 per vCPU-minute, metered to the second with no minimum"},{"url":"https://buildkite.com/docs/agent/buildkite-hosted/linux","date":"2026-10-30","proved":"the Free plan includes Buildkite-hosted Linux agents, restricted to the small instance shapes","capture":"sha256:cbbaf82b462c383bb41827984d3d404bd1163a917e796270183c95e4ff752488","quote":"The Free plan only provides access to small-sized instance shapes."},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-30","proved":"the hosted-agent limits table: Linux vCPU minutes per month are up to 2,000 on Free, 4,000 included on Pro","capture":"sha256:3bb99aa77d71fd8cfe97a09e8bd0fdc72d16bb18229db238b044b6bd02267593","quote":"| Linux vCPU minutes per month | 4,000 included | Up to 2,000 | 4,000 included | Volume discounts |"},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-30","proved":"the Free plan's hosted concurrency is 20 vCPU, which is 10 small machines at 2 vCPU each","capture":"sha256:3bb99aa77d71fd8cfe97a09e8bd0fdc72d16bb18229db238b044b6bd02267593","quote":"For example, the Free plan's 20-vCPU Linux limit supports up to 10 Small Linux machines at 2 vCPU each."},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-30","proved":"a job on the Free plan times out after 4 hours","capture":"sha256:3bb99aa77d71fd8cfe97a09e8bd0fdc72d16bb18229db238b044b6bd02267593","quote":"Default: **4 hours on the Free plan. Unlimited on Pro and Enterprise plans**"},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-30","proved":"the monthly vCPU-minute pool of the Free plan is up to 2,000","capture":"sha256:3bb99aa77d71fd8cfe97a09e8bd0fdc72d16bb18229db238b044b6bd02267593","quote":"| Linux vCPU minutes per month | 4,000 included | Up to 2,000 | 4,000 included | Volume discounts |"},{"url":"https://buildkite.com/docs/pipelines/hosted-agents","date":"2026-10-30","proved":"hosted-agent usage counts job runtime; startup and shutdown are not billed and there is no minimum","capture":"sha256:f26f84bf80d7063f8662c702c2392fefa66293d8552499563eeac4b5b9d25091","quote":"Startup and shutdown periods are excluded, with no minimum charges."},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-30","proved":"builds are stored 30 days on the Free plan; the same table gives artifact retention of 30 days on Free","capture":"sha256:3bb99aa77d71fd8cfe97a09e8bd0fdc72d16bb18229db238b044b6bd02267593","quote":"| Build retention | The time period builds are stored in Buildkite after running. Default: 30 days on the Free plan, 90 days on the Pro plan, and 365 days on the Enterprise plan |"},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-30","proved":"build retention is 30 days on the Free plan","capture":"sha256:3bb99aa77d71fd8cfe97a09e8bd0fdc72d16bb18229db238b044b6bd02267593","quote":"Default: 30 days on the Free plan, 90 days on the Pro plan, and 365 days on the Enterprise plan"},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-30","proved":"an artifact uploaded from an agent is at most 10 GiB; the same table gives 50 GiB per job batch","capture":"sha256:3bb99aa77d71fd8cfe97a09e8bd0fdc72d16bb18229db238b044b6bd02267593","quote":"| Artifact file size | The maximum size of an artifact that can be uploaded to Buildkite from an agent. Default: 10 GiB |"},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-30","proved":"the artifact file size cap is 10 GiB","capture":"sha256:3bb99aa77d71fd8cfe97a09e8bd0fdc72d16bb18229db238b044b6bd02267593","quote":"| Artifact file size | The maximum size of an artifact that can be uploaded to Buildkite from an agent. Default: 10 GiB |"},{"url":"https://buildkite.com/pricing/feature-comparison","date":"2026-10-30","proved":"artifact downloads are 250 GB a month on Free and 2.5 TB a month on Pro, then USD 0.10 per GB","capture":"sha256:06416ebaf4c81102d8db604fe54e02a78e7dca7ba22805d0a8c05b73e941988e","quote":"Artifact downloads 250GB/month 2.5TB/month Then $0.10/GB overage"},{"url":"https://buildkite.com/signup","date":"2026-10-30","proved":"the signup form has full name, email and password fields and a GitHub sign-in, and no phone or card field","capture":"sha256:272bc9faf03b76e7a0ccef503e368da9a809adc021c277bd0e4b9673faaa5511","quote":"<div class=\"FormField__Label\">Email</div>"},{"url":"https://buildkite.com/pricing","date":"2026-10-30","proved":"an agent runs either on Buildkite-hosted compute or on infrastructure the user supplies","capture":"sha256:aea630b6e8d230d0787773bc270046435ece802743c101d1ba9bdd75ee5bd2da","quote":"A build agent (commonly referred to as a runner) runs on your infrastructure or on Buildkite-hosted compute, and runs one build job at a time."},{"url":"https://buildkite.com/docs/agent/buildkite-hosted/linux","date":"2026-10-30","proved":"the Free plan cannot select a shape larger than small, which is 2 vCPU","capture":"sha256:cbbaf82b462c383bb41827984d3d404bd1163a917e796270183c95e4ff752488","quote":"The Free plan only provides access to small-sized instance shapes."},{"url":"https://buildkite.com/pricing","date":"2026-10-30","proved":"the Free plan is USD 0 with up to 5 users, 10 concurrent jobs, 2,000 Linux vCPU-minutes and 250k test executions a month, and needs no card","capture":"sha256:aea630b6e8d230d0787773bc270046435ece802743c101d1ba9bdd75ee5bd2da","quote":"No credit card required"},{"url":"https://buildkite.com/docs/agent/buildkite-hosted/network-security","date":"2026-11-02","proved":"hosted agents reach the network from IP address ranges shared across customers","capture":"sha256:e8c95744e4ec6aa07bbd6fb0000d9f91b009dc8551d0128cd285997f729e6726","quote":"Since the infrastructure of Buildkite hosted agents is shared across Buildkite customers, the IP address ranges for Buildkite hosted agents originate from a common source, and could be shared between different customers' configured hosted agents."},{"url":"https://buildkite.com/docs/agent/buildkite-hosted/network-security","date":"2026-11-02","proved":"dedicated static egress addresses for hosted agents are not self-serve; they are requested from Support","capture":"sha256:e8c95744e4ec6aa07bbd6fb0000d9f91b009dc8551d0128cd285997f729e6726","quote":"If you do require dedicated static IP addresses for your hosted agents' IP addresses, contact Support at support@buildkite.com."}],"verdict":"qualifies-with-caveat","verified_at":"2026-11-03T00:32:22.884Z","price_per_tb_month":"USD 0.004 per vCPU-minute","notes":"2,000 vCPU-minutes is 33 vCPU-hours. The Free plan reaches only the 2 vCPU small shape, so the pool is 1,000 wall-clock minutes (16 h 40 min) a month, and a larger shape needs a paid plan. A self-run agent does not draw on the pool, but it needs a machine from another provider, so it is the last resort.","binding_note":"the monthly pool runs out first: 2,000 vCPU-minutes on the only shape the Free plan offers, 2 vCPU, is 1,000 wall-clock minutes a month, against a 4-hour job timeout; usage counts job runtime, with startup and shutdown excluded"},"claims":[{"path":"$.free_tier","kind":"has-free-tier","num":1.0,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.free_tier.stated","kind":"free-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[0].value","kind":"limit:volume-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[1].value","kind":"limit:request-rate","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[2].value","kind":"limit:request-rate","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[3].value","kind":"limit:retention-clamped","num":4.0,"unit":"hours","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.price_per_tb_month","kind":"price","num":0.004,"unit":"vCPU-minute","per":null,"currency":"USD","usd":0.004,"fx_date":null,"parse":"ok"}],"unknown":[["$.reliability_note","none-observed"]],"history":[],"drift":[]},{"rid":"compute/buildkite","card":{"rid":"compute/buildkite","eid":"buildkite","topic":"compute","slug":"buildkite","provider":"Buildkite","url":"https://buildkite.com/pricing","domain":"buildkite.com","category":"CI runner","tier":"Free plan, Buildkite-hosted Linux agents","verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","self_hosted":0,"confidence":"documented","binding":"volume-quota","identity_kind":"email","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":null,"egress_metered":null,"per_object_bytes":null,"retention_days":0,"verified_at":"2026-10-30T12:41:24.476Z","verified_basis":"live","checked_on":"2026-10-30","stale_on":"2026-11-30","n_evidence":11,"usd_month":null,"usd_per_tb_month":null,"summary":"Quoted from the Free plan: 'Up to 5 users', 'Up to 10 concurrent jobs', 'Up to 2,000 Linux vCPU minutes per month', 'Up to 250k test executions per month', a...","duplicate_of":"ci-cd-runners/buildkite-free","n_unknown":8,"free_unit":"minutes"},"record":{"topic":"compute","slug":"buildkite","provider":"Buildkite","url":"https://buildkite.com/pricing","category":"CI runner","free_tier":{"stated":"Quoted from the Free plan: 'Up to 5 users', 'Up to 10 concurrent jobs', 'Up to 2,000 Linux vCPU minutes per month', 'Up to 250k test executions per month', and 'No credit card required'. The hosted-agent limits table makes the machine explicit: 'Linux vCPU minutes per month | ... | Free | Up to 2,000' and 'Linux vCPU concurrency | ... | 20 vCPU'. Quoted from the Linux hosted-agent page: 'The Free plan only provides access to small-sized instance shapes.' The small shape is `LINUX_AMD64_2X4`, quoted as 'Small | AMD64 | 2 | 4 GB | 47 GB'.","unit":"minutes","metered_on":"wall-clock","source_url":"https://buildkite.com/docs/platform/limits","read_on":"2026-10-24","notes":"The unit is a vCPU-minute, not a wall-clock minute. At the only shape the Free plan offers, 2 vCPU, 2,000 vCPU-minutes is 1,000 wall-clock minutes, or 16 h 40 min a month."},"per_object_cap":{"stated":"not applicable","bytes":null,"notes":null},"retention":{"stated":"'Once the job is complete, regardless of its exit status, the virtualized environment and all of its associated data, including data it generated during job execution, is removed and destroyed.' Cache volumes are the exception and are persisted across jobs.","days":0,"source_url":"https://buildkite.com/docs/pipelines/hosted-agents","notes":"0 means the environment is destroyed at job end. Cache volumes survive, up to 50 GB for the container cache and 5 GB for the git mirror."},"egress":{"terms":"not published on any page read: no egress quota, shaping tier or per-byte price is stated for Buildkite hosted agents","metered":false,"free_allowance":null,"price_per_tb":null,"source_url":"https://buildkite.com/docs/pipelines/hosted-agents"},"interface":["unknown"],"interface_detail":"inferred from the tooling the provider documents; not probed","tooling":"not stated","chaining":"None worth composing.","limits":[{"kind":"volume-quota","value":"Up to 2,000 Linux vCPU-minutes a month on the Free plan. At the 2 vCPU small shape that is 1,000 wall-clock minutes; there is no larger shape on this plan.","source":"https://buildkite.com/docs/platform/limits"},{"kind":"request-rate","value":"Linux vCPU concurrency on the Free plan is 20 vCPU. Quoted worked example: 'the Free plan's 20-vCPU Linux limit supports up to 10 Small Linux machines at 2 vCPU each'.","source":"https://buildkite.com/docs/platform/limits"},{"kind":"retention-clamped","value":"'Job timeout | The maximum time before a running job will time out. Default: 4 hours on the Free plan. Unlimited on Pro and Enterprise plans.' Separately, hosted Linux instances are 'capable of running up to 8 hours'.","source":"https://buildkite.com/docs/platform/limits"},{"kind":"write-gated","value":"No inbound reachability published and the environment is destroyed at job end; no static IP is offered on the Free plan","source":"https://buildkite.com/docs/pipelines/hosted-agents"},{"kind":"per-object-cap","value":"The Free plan reaches only the small shape, so the machine is 2 vCPU and 4 GB with no way to buy a bigger one without a paid plan","source":"https://buildkite.com/docs/agent/buildkite-hosted/linux"}],"limits_note":"The 2,000 vCPU-minute pool is the ceiling: 1,000 wall-clock minutes a month on the only shape the Free plan allows, which is 33 minutes a day. The 4-hour job timeout does not bind before it.","binding":"volume-quota","binding_note":"2,000 vCPU-minutes is 1,000 wall-clock minutes on the only shape the Free plan offers, which is 33 minutes a day: the month runs out long before the 4-hour job timeout does.","identity_cost":{"kind":"email","detail":"Quoted from the Free plan: 'No credit card required', and from the signup block: 'Start Free or Pro with 30 days of the all-access trial. No credit card or commitment.' No card, no hold and no phone is stated as required anywhere read. The account limits are 'Organizations per day | Default: 4 organizations' and 'Unverified emails per user | Default: 5 emails', which implies an email-verified account is the gate.","country":null},"reliability_note":"no reliability event recorded","confidence":"documented","evidence":[{"url":"https://buildkite.com/pricing","date":"2026-10-22","proved":"'Free Plan ... Up to 5 users, Up to 10 concurrent jobs, Up to 2,000 Linux vCPU minutes per month, Up to 250k test executions per month', and 'No credit card required'; Pro includes '4,000 Linux vCPU minutes per month'"},{"url":"https://buildkite.com/pricing","date":"2026-10-24","proved":"quoted, Free plan: 'For solo developers and small teams', '$ 0', 'No credit card required', with 'Up to 5 users', 'Up to 10 concurrent jobs', 'Up to 2,000 Linux vCPU minutes per month', 'Up to 250k test executions per month'"},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-24","proved":"quoted, hosted agents limits table: '| Linux vCPU concurrency | 24 vCPU | 20 vCPU | 256 vCPU | Custom |' and '| Linux vCPU minutes per month | 4,000 included | Up to 2,000 | 4,000 included | Volume discounts |'"},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-24","proved":"quoted: 'the Free plan's 20-vCPU Linux limit supports up to 10 Small Linux machines at 2 vCPU each'"},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-24","proved":"quoted: 'Job timeout | The maximum time before a running job will time out. Default: 4 hours on the Free plan. Unlimited on Pro and Enterprise plans'"},{"url":"https://buildkite.com/docs/agent/buildkite-hosted/linux","date":"2026-10-24","proved":"quoted: 'only provides access to small-sized instance shapes' (the sentence is 'The [Free plan](https://buildkite.com/pricing/) only provides access to small-sized instance shapes.' with the plan name as a link) and the shape table row '| `LINUX_AMD64_2X4` | Small | AMD64 | 2 | 4 GB | 47 GB |', plus 'To accommodate different workloads, instances are capable of running up to 8 hours.'"},{"url":"https://buildkite.com/pricing/feature-comparison","date":"2026-10-24","proved":"quoted, the Hosted Agents block for the Free column: 'Up to 2,000 mins/month', 'Small only', 'Up to 20 vCPU'"},{"url":"https://buildkite.com/docs/pipelines/hosted-agents","date":"2026-10-24","proved":"quoted: 'Once the job is complete, regardless of its exit status, the virtualized environment and all of its associated data, including data it generated during job execution, is removed and destroyed. For Linux and macOS hosted agents, any cache volume data is persisted.'"},{"url":"https://buildkite.com/docs/pipelines/hosted-agents","date":"2026-10-24","proved":"quoted: 'Hosted agents are provisioned on demand and destroyed after each job, providing clean, reproducible builds'"},{"url":"https://buildkite.com/docs/pipelines/hosted-agents","date":"2026-10-30","proved":"hosted-agent usage counts job runtime only; startup and shutdown are not billed, so boot time does not draw on the 2,000 vCPU-minute pool","capture":"sha256:f26f84bf80d7063f8662c702c2392fefa66293d8552499563eeac4b5b9d25091","quote":"Startup and shutdown periods are excluded, with no minimum charges."},{"url":"https://buildkite.com/docs/platform/limits","date":"2026-10-30","proved":"the Free plan's hosted concurrency is 20 vCPU, 10 small 2 vCPU machines","capture":"sha256:3bb99aa77d71fd8cfe97a09e8bd0fdc72d16bb18229db238b044b6bd02267593","quote":"For example, the Free plan's 20-vCPU Linux limit supports up to 10 Small Linux machines at 2 vCPU each."}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-30T12:41:24.476Z","notes":"So Buildkite does sell a free machine, it is 2 vCPU and 4 GB, and it needs no card. At 2 vCPU the pool is 16 h 40 min a month, not 8 h 20 min. Not established: the egress term; whether a hosted agent can be reached inbound (no page read says it can, and the environment is destroyed at job end); and whether the 2,000 vCPU-minutes includes the boot time of the agent, which the limits page says consumes concurrency 'from the time it starts booting' but does not say whether it consumes minutes.","extras":{"facets":{"class":"ci-runner-capacity","free_tier_kind":"monthly-vcpu-minute","shape":{"vcpu":null,"ram_gib":null,"gpu_class":null,"gpu_count":0}},"shape":{"vcpu":2,"ram_gib":4,"disk_gib":47,"gpu_class":null,"gpu_count":null,"note":"`LINUX_AMD64_2X4`, the only shape the Free plan offers, quoted as 'Small | AMD64 | 2 | 4 GB | 47 GB'. The vendor writes decimal GB; kept unconverted, so 4 GB is about 3.7 GiB and 47 GB about 43.8 GiB. Larger shapes exist (4/16/95, 8/32/158 and up to 64 vCPU) but are paid-plan or Enterprise only."},"billing_model":"free","term":"none","m10h_usd":null,"m24h_usd":null,"price_arithmetic":"2,000 vCPU-minutes / 2 vCPU = 1,000 wall-clock minutes = 16 h 40 min a month at USD 0.00. 10 h a day x 30 = 300 h = 18,000 wall-clock minutes = 36,000 vCPU-minutes, eighteen times the pool. 24/7 x 30 = 730 h needs 87,600 vCPU-minutes, forty-four times the pool. Past the pool the rate is USD 0.004 per vCPU-minute on a paid platform plan, so 36,000 vCPU-minutes would be USD 144.00 and 87,600 USD 350.40.","free_tier_kind":"monthly-vcpu-minute","session_cap":{"wall_clock_min":240,"idle_reap_s":null,"restart_required":true,"note":"4 hours per job on the Free plan; the 2,000 vCPU-minute monthly pool runs out far sooner. The environment is destroyed at job end."},"concurrency":{"jobs_at_once":10,"note":"20 vCPU of Linux concurrency on the Free plan, and the only shape is 2 vCPU, so 10 machines at once. Quoted: 'the Free plan's 20-vCPU Linux limit supports up to 10 Small Linux machines at 2 vCPU each'."},"keep_rate":{"value":0.0,"basis":"the environment is destroyed at job end; cache volumes persist at no stated charge","source":"https://buildkite.com/docs/pipelines/hosted-agents"},"persistent_storage":{"included_gib":0,"price_gib_month":"not published; cache volumes are 'included at no additional cost' with a 50 GB container cache and 5 GB git mirror default quota","durability":"the job environment is destroyed; cache volumes persist across jobs","survives_stop":false,"survives_destroy":false,"max_retention":"the job, except cache volumes"},"network_out":{"allow_outbound":true,"allow_inbound_listen":false,"ports":"none inbound: no page read offers a public address and the environment is destroyed at job end","static_ip":false,"ipv6":null,"per_session_bytes":null},"units":"RAM and disk are the vendor's decimal GB, kept unconverted. 4 GB reads as 4, 47 GB as 47.","granularity":{"min_billed_s":1,"rounding_s":1,"note":"quoted for the paid rate: 'billed per vCPU minute and metered to the second, with no minimums and no rounding'"},"burst_x":10.0,"burst_note":"10 concurrent 2 vCPU small machines on the Free plan's 20 vCPU of Linux concurrency. burst_x is that concurrency multiplier over a single runner.","topic_note":"belongs to ci-cd-runners","checked":{"verified":["2,000 Linux vCPU-minutes a month on the Free plan","20 vCPU Linux concurrency = 10 small machines","the small shape is 2 vCPU / 4 GB / 47 GB","4-hour job timeout on the Free plan","no credit card required"],"new":null}},"tier":"Free plan, Buildkite-hosted Linux agents","confidence_note":"the 2,000 vCPU-minutes, the 20 vCPU concurrency, the 4-hour Free-plan job timeout and 'No credit card required' are quoted from buildkite.com/pricing and buildkite.com/docs/platform/limits read; 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