{"rid":"inference/cerebras","card":{"rid":"inference/cerebras","eid":"cerebras","topic":"inference","slug":"cerebras","provider":"Cerebras","url":"https://inference-docs.cerebras.ai/support/rate-limits","domain":"cerebras.ai","category":"inference endpoint, keyed free trial","tier":null,"verdict":"trial-only","vorder":2,"grp":"trial","confidence":"documented","binding":"retention-clamped","identity_kind":"card","identity_basis":"stated","needs_card":1,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"rest","egress_metered":0,"per_object_bytes":null,"retention_days":30,"verified_at":"2026-10-22T04:42:43.000Z","verified_basis":"live","checked_on":"2026-10-23","stale_on":"2026-11-22","n_evidence":2,"usd_month":null,"usd_per_tb_month":null,"summary":"a Free Trial, not a free tier: USD 5 of credits granted after a verified payment method is added, expiring 30 days after they are granted. The page answers '...","duplicate_of":null,"n_unknown":0},"record":{"topic":"inference","slug":"cerebras","provider":"Cerebras","url":"https://inference-docs.cerebras.ai/support/rate-limits","category":"inference endpoint, keyed free trial","free_tier":{"stated":"a Free Trial, not a free tier: USD 5 of credits granted after a verified payment method is added, expiring 30 days after they are granted. The page answers 'Is there a permanently free tier?' with 'No.'","unit":"none","metered_on":"request-count","source_url":"https://inference-docs.cerebras.ai/support/rate-limits","read_on":"2026-10-22","notes":"the trial's per-model limits are published: gpt-oss-120b at 5 RPM, 30K uncached TPM, 90K total TPM, 1M TPH and 1M TPD; qwen-3.8-27b at 1 RPM, 5 uncached TPM and the same hourly and daily caps"},"per_object_cap":{"stated":"not applicable: an inference endpoint stores nothing for the caller"},"retention":{"stated":"the trial credits expire 30 days after they are granted","days":30,"source_url":"https://inference-docs.cerebras.ai/support/rate-limits"},"egress":{"terms":"the response is the payload; no separate egress term is published","metered":false},"interface":["rest"],"interface_detail":"an OpenAI-compatible chat completions endpoint at https://api.cerebras.ai/v1","endpoint":"https://api.cerebras.ai/v1/chat/completions","tooling":"any OpenAI-compatible client; curl against POST {base}/chat/completions","chaining":"pairs with an agent only inside a 30-day trial and only after a card; the scarce link is the verified payment method, which turns a free offer into a payment relationship","limits":[{"kind":"request-rate","value":"Free Trial, gpt-oss-120b: 5 RPM, 30K uncached TPM, 90K total TPM, 1M TPH, 1M TPD. qwen-3.8-27b: 1 RPM, 5 uncached TPM, same hourly and daily caps","source":"https://inference-docs.cerebras.ai/support/rate-limits, read 2026-10-22"},{"kind":"retention-clamped","value":"the USD 5 of trial credits expire 30 days after they are granted, and API access stops when they run out or expire","source":"https://inference-docs.cerebras.ai/support/rate-limits, read 2026-10-22"}],"limits_note":"the Developer tier removes the hourly and daily token caps and raises the per-model rates; that tier is pay-as-you-go and not free","binding":"retention-clamped","binding_note":"the 30-day credit expiry binds before any rate does: the whole allowance is USD 5 that disappears, so there is no recurring quota to design against","identity_cost":{"kind":"card","detail":"a verified payment method is required before the USD 5 of trial credits is granted, which makes this a card gate rather than an email gate","country":null},"reliability_note":"an unauthenticated call returns 401 with 'Wrong API Key' and a 99-byte body, so an unauthenticated probe cannot distinguish a live endpoint from an expired one","confidence":"documented","confidence_note":"the trial's terms, its expiry, its per-model rates and the vendor's explicit 'No' to a permanently free tier are all quoted from the rate-limits page read 2026-10-22 at 200 with 393345 bytes. The 401 gate was also re-probed at 2026-10-22T04:42:43Z. No account was created, so the trial is documented and not measured.","evidence":[{"url":"https://inference-docs.cerebras.ai/support/rate-limits","date":"2026-10-22","proved":"'New accounts receive $5 in free credits after adding a verified payment method. These credits expire 30 days after they're granted'; 'Is there a permanently free tier? No. The Free Trial is time- and credit-bounded'; and the Free Trial table giving gpt-oss-120b 5 RPM, 30K uncached TPM, 90K total TPM, 1M TPH and 1M TPD"},{"url":"probe:https://api.cerebras.ai/v1/chat/completions","date":"2026-10-22","proved":"an unauthenticated POST returned 401 with a 99-byte body, {\"message\":\"Wrong API Key\",\"type\":\"invalid_request_error\",\"param\":\"api_key\"}. The endpoint exists and gates on a key; no key existed here"}],"verdict":"trial-only","verified_at":"2026-10-22T04:42:43.000Z","notes":"The vendor's own page says there is no permanently free tier: the offer is USD 5 of credits that expire in 30 days and require a verified payment method. The identity cost is therefore card, not email, and the verdict is trial-only."},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[0].value","kind":"limit:request-rate","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[1].value","kind":"limit:retention-clamped","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"}],"unknown":[],"history":[],"drift":[]}