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GPT-5.4 nano
🇺🇸OpenAI4mo
Context:400K tokens
Input:$0.2/1M
Output:$1.25/1M
Neura Index
36.5
Rank #211—
mediumCategory Profile
Benchmark Scores (7)
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 82.8 | verified |
| Humanity's Last Exam | 24.3 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-Bench Pro | 52.4 | verified |
multimodal
| Benchmark | Score | Source |
|---|
Performance History
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Frequently Asked Questions about GPT-5.4 nano
What is GPT-5.4 nano's Neura Intelligence Index score?▾
GPT-5.4 nano by OpenAI scores 36.5 out of 100 on the Neura Intelligence Index, ranking #211 among tracked AI models. This composite score is computed from 7 individual benchmarks across coding, math, reasoning, and language categories.
How much does GPT-5.4 nano cost to use?▾
GPT-5.4 nano costs $0.2/1M input tokens and $1.25/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $14.
Is GPT-5.4 nano open source?▾
No, GPT-5.4 nano is a proprietary model by OpenAI. It is only accessible via their API.
What is GPT-5.4 nano's context window?▾
GPT-5.4 nano supports a context window of 400K tokens, allowing it to process very long documents, codebases, and conversations in a single request.
What benchmark does GPT-5.4 nano perform best on?▾
GPT-5.4 nano achieves its highest score on GPQA Diamond with a score of 82.8%. This benchmark evaluates 448 graduate-level science questions (biology, chemistry, physics) designed to be hard for non-experts.