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GPT-5.4 mini
🇺🇸OpenAI4mo
Context:400K tokens
Input:$0.75/1M
Output:$4.5/1M
Neura Index
46.4
Rank #167—
mediumCategory Profile
Benchmark Scores (7)
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 88 | verified |
| Humanity's Last Exam | 28.2 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-Bench Pro | 54.4 | verified |
multimodal
| Benchmark | Score | Source |
|---|
Performance History
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Frequently Asked Questions about GPT-5.4 mini
What is GPT-5.4 mini's Neura Intelligence Index score?▾
GPT-5.4 mini by OpenAI scores 46.4 out of 100 on the Neura Intelligence Index, ranking #167 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 mini cost to use?▾
GPT-5.4 mini costs $0.75/1M input tokens and $4.5/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $51.
Is GPT-5.4 mini open source?▾
No, GPT-5.4 mini is a proprietary model by OpenAI. It is only accessible via their API.
What is GPT-5.4 mini's context window?▾
GPT-5.4 mini 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 mini perform best on?▾
GPT-5.4 mini achieves its highest score on GPQA Diamond with a score of 88.0%. This benchmark evaluates 448 graduate-level science questions (biology, chemistry, physics) designed to be hard for non-experts.