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Model prices / OpenAI / o3-pro

o3-pro

OpenAI · released 2025-06-10

The official API price of o3-pro is $20 per 1M input tokens and $80 per 1M output tokens (as of 2026-11-12). Context window: 200K tokens, up to 100K output tokens per request. 10 providers sell it. The lowest is Poe: $18.1818 input, $72.7273 output.

Price by providerUSD per 1M tokens

ProviderInputOutputCachedNotes
OpenAIOfficialo3-pro
$20$80—OfficialOfficial docs
PoeLowestopenai/o3-pro
$18.1818$72.7273—LowestOfficial docs
AAbacuso3-pro
$20$80—Official docs
EEden AIopenai/o3-pro
$20$80—Official docs
HHeliconeo3-pro
$20$80—Official docs
KKilo Gatewayopenai/o3-pro
$20$80—Official docs
OpenRouteropenai/o3-pro
$20$80—Official docs
Vercel AI Gatewayopenai/o3-pro
$20$80—Official docs
AI/ML APIopenai/o3-pro
$21.16$84.64—Official docs
NNanoGPTopenai/o3-pro-2025-06-10
$22$88$11Official 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

High-effort o3 tier for difficult technical reasoning and careful answers

Description from models.dev.

Specs

Type
Text
Context
200K
Max output
100K
Input
Text, Image
Output
Text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Knowledge cutoff
2024-05
Open weights
No
Released
2025-06-10

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.