price tracker · updated 2026-07-04
Cheapest o3 API
llm · per 1M output tokens
OpenAI's o3 reasoning model is $8 per 1M output tokens, dropping to $4 through the Batch API.
Across the 2 endpoints we track for o3, posted prices span $4 at openai (batch) to $8 at openai. That is a 2.0x gap for the same model, so provider choice matters more than most teams expect. Rates below are normalized to llm · per 1M output tokens and re-checked weekly.
o3
llm · per 1M output tokens
save up to 50%
Cheapest verified endpoint: openai (batch) at $4 (llm · per 1M output tokens). Prices normalized per unit, ex. egress.
How we track this
We re-pull every known provider that serves o3 weekly, normalize to a single unit (llm · per 1M output tokens), and pin the price the moment a provider posts it — we don't average across stale snapshots. Switching providers is usually a one-line base-URL change. Spot a stale price? tell us.
Frequently asked questions
What is the cheapest o3 API?
openai (batch) currently has the lowest price for o3 at $4 (llm · per 1M output tokens), based on our 2026-07-04 check across 2 providers.
How much does the o3 API cost?
Prices for o3 range from $4 at openai (batch) up to $8 at openai, measured as llm · per 1M output tokens. Same model, different bill: picking the right provider saves up to 50%.
Which providers offer o3?
We currently track 2 endpoints for o3: openai (batch), openai. The table above ranks them by effective price, cheapest first.
How often are these prices updated?
We re-check every provider weekly and pin the exact posted price rather than averaging stale snapshots. This table was last refreshed on 2026-07-04.
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