OpenAI › o3 (2025-04-16) › Pricing

o3 (2025-04-16) pricing

API list price by OpenAI · checked Oct 23, 2026
Benchmarks and alternatives →
$2 / $8per 1M tokens in / out

Price sheetper 1M tokens

Input$2list
Output$8
Context200Ktokens
OpenAI native API; o3-2025-04-16. Standard per-million token rates; separate modalities, tools and cached components may add charges. This is an OpenAI offer for the documented snapshot, not an Azure deployment price.

In OpenAI's line-upper 1M in / out

GPT-3.5 Turbo 16k$3 / $4−7%
GPT-5.1 (2025-11-13)$1.25 / $10−2%
o3$2 / $80%
o3 (2025-04-16)$2 / $8this model
GPT-6.1 Sol$2 / $10+14%
GPT-4o$2.50 / $10+25%
GPT-4o (2024-08-06)$2.50 / $10+25%
<

Cheaper for the same workvs o3 (2025-04-16) at medium

Claude Haiku 4.5 unstated-43%score +9%$1 / $5
Kimi K2 0711 unstatedOpen-75%score -6%$0.50 / $2
Gemini 2.5 Flash unstated-76%score -11%$0.30 / $2.50
GPT-5 Mini (2025-08-07) unstated-80%score -12%$0.25 / $2

Pricing questions

How much does o3 (2025-04-16) cost?›

$2 per 1M input tokens and $8 per 1M output tokens.

Is o3 (2025-04-16) free to use?›

There is no free API tier.

What is a cheaper alternative to o3 (2025-04-16)?›

Claude Haiku 4.5 at unstated effort costs -43% per task with a score +9% on Arena Text · English.