EN / 中文
Model prices / OpenAI / o3

o3

OpenAI · released 2025-04-16

The official API price of o3 is $2 per 1M input tokens and $8 per 1M output tokens (as of 2026-11-12). Context window: 200K tokens, up to 100K output tokens per request. 23 providers sell it. The lowest is Poe: $1.8182 input, $7.2727 output.

Price by providerUSD per 1M tokens

ProviderInputOutputCachedNotes
OpenAIOfficialo3
$2$8$0.5OfficialOfficial docs
PoeLowestopenai/o3
$1.8182$7.2727$0.4545LowestOfficial docs
$2$8—Official docs
$2$8$0.5Official docs
$2$8$0.5Official docs
$2$8$0.5Official docs
$2$8$0.5Official docs
$2$8$0.5Official docs
DigitalOceanopenai-o3
$2$8$0.5Official docs
EEden AIopenai/o3
$2$8$0.5Official docs
$2$8$0.5Official docs
IImpossiblopenai/o3
$2$8$0.5Official docs
12 more listings
ProviderInputOutputCachedNotes
KKilo Gatewayopenai/o3
$2$8$0.5Official docs
$2$8$0.5Official docs
LLLM Gatewayopenai/o3
$2$8$0.5Official docs
LLowRouterauto/openai/o3
$2$8$0.5Official docs
MMerge Gatewayopenai/o3
$2$8$0.5Official docs
NNanoGPTopenai/o3
$2$8$1Official docs
NNEAR AI Cloudopenai/o3
$2$8$0.5Official docs
OpenRouteropenai/o3
$2$8$0.5Official docs
$2$8$0.5Official docs
Vercel AI Gatewayopenai/o3-fast
$3.5$14$0.875Official docs
$9.5$38$0.475Official docs
AAnyAPIopenai/o3
———Official docs

Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.

About

Deliberate o-series reasoner for hard math, coding, and multi-step analysis

Description from models.dev.

Specs

Type
Text
Context
200K
Max output
100K
Input
Text, Image, PDF
Output
Text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Knowledge cutoff
2024-05
Open weights
No
Released
2025-04-16

Source

Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.