Neura Intelligence Index
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GPT-5 nano
🇺🇸OpenAI11mo
Neura Index
36.7
Rank #210—
mediumCategory Profile
Benchmark Scores (4)
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 71.2 | verified |
| Humanity's Last Exam | 8.7 | verified |
math
| Benchmark | Score | Source |
|---|---|---|
| AIME 2025 | 85.2 | verified |
| FrontierMath | 9.6 | verified |
Performance History
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Frequently Asked Questions about GPT-5 nano
What is GPT-5 nano's Neura Intelligence Index score?▾
GPT-5 nano by OpenAI scores 36.7 out of 100 on the Neura Intelligence Index, ranking #210 among tracked AI models. This composite score is computed from 4 individual benchmarks across coding, math, reasoning, and language categories.
Is GPT-5 nano open source?▾
No, GPT-5 nano is a proprietary model by OpenAI. It is only accessible via their API.
What benchmark does GPT-5 nano perform best on?▾
GPT-5 nano achieves its highest score on AIME 2025 with a score of 85.2%. This benchmark evaluates american invitational mathematics examination 2025 — competition-level math problems.