Large Language ModelText Generation

o3

OpenAI's o3 advanced reasoning model

Released 2025-04-16

Context Window

200K

API Access

Available

Benchmark Performance

reasoning

reasoning

Massive Multitask Language Understanding

92.5%

reasoning

Graduate-Level Google-Proof Q&A

83.3%

math

math

MATH

91.0%

conversation

conversation

Chatbot Arena Elo

1430.0Elo