{"eid":"contextual","name":"Contextual AI reranker API","domain":"contextual.ai","resolved_by":"domain","topics":["inference"],"n_records":1,"best_vorder":2,"review":null,"aliases":["Contextual AI reranker API","contextual.ai"],"records":[{"rid":"inference/contextual-ai-rerank","card":{"rid":"inference/contextual-ai-rerank","eid":"contextual","topic":"inference","slug":"contextual-ai-rerank","provider":"Contextual AI reranker API","url":"https://contextual.ai/pricing","domain":"contextual.ai","category":"rerank API, one-time free credit on signup","tier":"On-Demand","verdict":"trial-only","vorder":2,"grp":"trial","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":"rest","egress_metered":null,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-11-03T07:34:03.660Z","verified_basis":"live","checked_on":"2026-11-03","stale_on":"2026-12-04","n_evidence":6,"usd_month":null,"usd_per_tb_month":null,"summary":"new signups receive USD 25 in free credits, USD 50 with a work email; the rerank API launch post states the first USD 50 as 1 billion tokens. Rerank-v2 costs...","duplicate_of":null,"n_unknown":4,"free_unit":"credits"},"record":{"topic":"inference","per_object_cap":{"stated":"not applicable"},"retention":{"stated":"not applicable"},"egress":{"terms":null,"metered":false},"interface":["rest"],"slug":"contextual-ai-rerank","provider":"Contextual AI reranker API","url":"https://contextual.ai/pricing","category":"rerank API, one-time free credit on signup","tier":"On-Demand","free_tier":{"stated":"new signups receive USD 25 in free credits, USD 50 with a work email; the rerank API launch post states the first USD 50 as 1 billion tokens. Rerank-v2 costs USD 0.05 per million tokens and Rerank-v2-mini USD 0.02","unit":"credits","metered_on":"request-count","source_url":"https://docs.contextual.ai/reference/faq.md","read_on":"2026-11-03","notes":"the credit is USD and is shared with the vendor's agent and parse products; whether the USD 25 credit applies to the standalone rerank endpoint is stated only by the launch post for the work-email case"},"tooling":"POST https://api.contextual.ai/v1/rerank with a bearer key; Python SDK; the reranker weights are also on Hugging Face","chaining":"a rerank-only offer: it takes the candidates that any embedding API or keyword search returned as the first stage","limits":[{"kind":"volume-quota","value":"USD 25 of free credit (USD 50 with a work email), one-time; at USD 0.05 per million tokens USD 25 covers 500 million rerank-v2 tokens (derived), and the launch post states USD 50 as 1 billion tokens","source":"https://docs.contextual.ai/reference/faq.md"},{"kind":"per-object-cap","value":"one request may carry at most 400,000 tokens in total, and the query, instruction and any single document with its metadata at most 8,000 tokens","source":"https://docs.contextual.ai/api-reference/rerank/rerank.md"},{"kind":"request-rate","value":"unverified: no requests-per-minute figure for the standalone rerank endpoint was found on the pages read","source":"https://docs.contextual.ai/api-reference/rerank/rerank.md"}],"identity_cost":{"kind":"email","detail":"an account on the vendor's app; a work email earns USD 50 where another address earns USD 25; the billing page asks for a card only to add credits; unverified: the sign-up form fields, because the app page could not be read","country":null},"reliability_note":"no reliability event recorded; the free credit does not renew","confidence":"documented","confidence_note":"the credit amounts, prices and request caps are quoted from vendor pages; the standalone-rerank rate limit and the sign-up form are unverified.","evidence":[{"url":"https://docs.contextual.ai/reference/faq.md","date":"2026-11-03","capture":"sha256:bdcbc58cd0b6053041f0e5b5da47b25c544b638334152ae756159005b68263b7","quote":"Yes. New signups receive \\$25 in free credits (\\$50 with a work email) to build and query agents.","proved":"new signups receive USD 25 in free credits, USD 50 with a work email"},{"url":"https://contextual.ai/blog/rerank-v2","date":"2026-11-03","capture":"sha256:aa3977ee7be4855e6e8064def367ef086e409668ebe170800a2120d76aa652eb","quote":"The first $50 (1 billion tokens) are free when you sign up with a business email.","proved":"the rerank API launch post gives the first USD 50, stated as 1 billion tokens, free for a business email"},{"url":"https://contextual.ai/pricing","date":"2026-11-03","capture":"sha256:27487884b66b0ce13835117252e968a26642007bd98499e6421bcb1a9f500978","quote":"- Rerank-v2: $0.05 per million tokens","proved":"the rerank-v2 price per million tokens"},{"url":"https://contextual.ai/pricing","date":"2026-11-03","capture":"sha256:27487884b66b0ce13835117252e968a26642007bd98499e6421bcb1a9f500978","quote":"- Rerank-v2-mini: $0.02 per million tokens","proved":"the rerank-v2-mini price per million tokens"},{"url":"https://docs.contextual.ai/api-reference/rerank/rerank.md","date":"2026-11-03","capture":"sha256:fa1f93673abbe72063c1bd69376f2cdd882290cc6a2991179cdfd0c22b49e935","quote":"The total request cannot exceed 400,000 tokens. The combined length of the query, instruction and any document with its metadata must not exceed 8,000 tokens.","proved":"per-request caps of 400,000 tokens in total and 8,000 tokens per query, instruction and document"},{"url":"https://docs.contextual.ai/admin-setup/pricing-billing.md","date":"2026-11-03","capture":"sha256:43fa7c24ba7ef2089be2a5e9209f78ebb5e3e21837e4e8980fecebb216dd72a5","quote":"2. Add a valid credit card under Payment Methods if you haven't already","proved":"a card is asked for when topping up credits"}],"verdict":"trial-only","verified_at":"2026-11-03T07:34:03.660Z","binding":"volume-quota","binding_note":"the one-time USD credit is spent first; no request-rate figure is published for the rerank endpoint","notes":"derived: USD 25 / USD 0.05 per million tokens = 500 million tokens of rerank-v2","endpoint":"https://api.contextual.ai/v1/rerank"},"claims":[{"path":"$.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":2.0,"unit":"tokens","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[1].value","kind":"limit:per-object-cap","num":400000.0,"unit":"tokens","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[2].value","kind":"limit:request-rate","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"}],"unknown":[["$.egress.metered","egress-unknown"],["$.egress.terms","process"],["$.per_object_cap.stated","not-applicable"],["$.retention.stated","not-applicable"]],"history":[],"drift":[]}]}