o3
deprecated
OpenAI2025-04-16
Specifications
Modalities
text
image
Context Window200K tokens
Max Output100K tokens
Training Cutoff2024-06-01
Open SourceNo
Pricing (per 1M tokens)
Input$2.0000
Output$8.0000
Cache Read$0.5000
Benchmarks
Arena score (text)1432
Arena ratings: LMArena leaderboard dataset, CC BY 4.0, snapshot 2026-10-28.
MMLU-Pro-
SWE-Bench69.1
GPQA Diamond87.7
HumanEval-
ARC-AGI-
MATH-
Sources
- OpenAI: o3 Model | OpenAI API
general · as of 2026-07-04
- OpenAI: Introducing OpenAI o3 and o4-mini
gpqa diamond · as of 2026-07-04
- LMArena: Arena leaderboard dataset, text_style_control overall: o3 (2025-04-16)
elo rating · as of 2026-10-28