GPT-5 (ChatGPT)

by OpenAI

Released · 2 days after GPT OSS 120b

Benchmarks

Independent benchmark scores: the Intelligence Index and the individual evaluations behind it, grouped by skill.

Intelligence Index (previous version)10.4
Coding
LiveCodeBench
54%
Agentic & knowledge work
Terminal-Bench Hard
13%
τ²-Bench Telecom
0%
Science & reasoning
Humanity's Last Exam
7%
GPQA Diamond
69%
Long-context reasoning
65%
Knowledge
MMLU-Pro
82%
Math & instruction following
AIME 2025
48%
IFBench
45%

Available routes

No routes currently available — GPT-5 (ChatGPT) isn't routed through the Opper gateway right now. It's tracked here for its release history.

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