o3

o3

Developer	OpenAI
Release date	April 16, 2025
Family	o-series
Generation	o-series 3
Level
Context window	200K tokens
Max output	100K tokens
Input	Image, text, file
Output	Text
Knowledge cutoff	2024-05
Weights	Closed
Website	openai.com
Links	Docs

Part of a series on

input: $2.00
cached: $0.50
output: $8.00
Context: 200Ktokens
Released: 1y ago

Specifications

Model

Developer: OpenAI
Family: o-series o-series 3
Type: Language model
Released: April 16, 2025
Model ID: openai/o3

Capabilities

Input → output: Image, text, file → Text
Max output: 100K tokens
Tokenizer: GPT
Knowledge cutoff: 2024-05

Weights

Openness: Closed

Sources:models.devOpenRouter

Metadata synced Nov 8, 2026, 9:59 AM UTC

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