Does OpenAI have a free API tier?

Yes. As of 2026-09-27, OpenAI has 2 free API tier offers we track: Complimentary daily tokens (data-sharing), Ramp Rewards — OpenAI API credits; 2 other offers from OpenAI are listed below.

Every offer from OpenAI in our catalog, each with the date it was last verified against the provider's own page. "No" and "ended" are answers too, so they stay listed.

Free API tier

OfferProviderStatusWhat it offersExpiryVerifiedSourceCaveats
Complimentary daily tokens (data-sharing)OpenAIavailableUp to 1M tokens/day shared across the large-model group (gpt-5.6-sol, gpt-5.5, gpt-5.4, gpt-5.2, gpt-5.1, gpt-5.1-codex, gpt-5-codex, gpt-5, gpt-5-chat-latest, gpt-4.1, gpt-4o, o3, o1, o1-preview; 25…no stated expiry2026-09-05sourceNOT free-from-zero: requires a paid org at usage Tier 1+, and eligibility is per-organization - it shows on the org's data-sharing settings page; owner-level opt-in only; all shared traffic is used for training. Correct…
Ramp Rewards — OpenAI API creditsOpenAI (via Ramp Rewards)availableUp to $2,500 in OpenAI API credits for startupsno stated expiry2026-08-24source“Up to” — the offer page states no tier table, so the amount an individual startup actually receives is unstated and may be well below $2,500; redeemed through Ramp Rewards, so it needs an approved Ramp corporate-card a…

Other offers from OpenAI

Discounts, subscriptions, applications, and offers that ended or do not exist. They are not a free API tier, and they are listed so nothing is hidden.

OfferProviderStatusWhat it offersExpiryVerifiedSourceCaveats
GPT-5.6 Sol promotional API pricingOpenAIavailableTemporary price cut on the GPT-5.6 Sol API: $4.00 per 1M input tokens and $20.00 per 1M output tokens at short context, down from $5.00/$30.00 — a 20% cut on input and ~33% on output. Long context is…expires 2026-11-212026-08-26sourceEXPIRES: promotional, guaranteed only "at least through November 21, 2026" — OpenAI has not said what rate follows, so treat it as a planning window, not a permanent reset, and re-check this row in November. Applies to…
OpenAI Codex for Open SourceOpenAIavailableFor maintainers of widely-used open-source projects: six months of ChatGPT Pro with Codex, API credits drawn from the $1 million Codex Open Source Fund, and conditional access to Codex Security.no stated expiry2026-09-16sourceAPPLICATION-GATED AND DISCRETIONARY, not a tier you can sign up for — the published terms grant the benefits "at OpenAI's sole discretion". agent_usable is false: this is a subscription plus grant-awarded credits, not a…

All providers A–Z · Machine-readable: ai-deals.json