Large Language ModelText Generation

GPT-5 High

GPT-5 with maximum reasoning effort

Released 2025-08-07

Context Window

128K

API Access

Available

Benchmark Performance

reasoning

reasoning

Massive Multitask Language Understanding

94.0%

reasoning

Graduate-Level Google-Proof Q&A

89.4%

math

math

MATH

96.0%

conversation

conversation

Chatbot Arena Elo

1457.0Elo