← Model Library

OpenAI · OpenAI-Compatible Engines

o3

Language Tool use

Specifications

Context window
200K tokens
Max output
100K tokens

Best suited for

A capable all-rounder — the sensible default for everyday assistant and agent work.

General assistants Drafting & summarising Everyday agent tasks Tool use & function calling

Pricing (per million tokens)

US$2.000 input / US$8.000 output

Price history

One price point recorded so far. The candlestick chart fills in as this model's rate changes — tracked automatically on every admin edit and weekly market sync.

Model id: o3

View all model pricing →

One Gateway, Every Model

Get an API key and point your first request at ApiSpi in minutes