Neura Intelligence Index
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GPT-4.1
🇺🇸OpenAI1y
Context:1.0M tokens
Input:$2/1M
Output:$8/1M
Neura Index
33.5
Rank #219—
highCategory Profile
Benchmark Scores (8)
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 66.3 | verified |
| Humanity's Last Exam | 5.4 | verified |
math
| Benchmark | Score | Source |
|---|---|---|
| AIME 2025 | 46.4 | verified |
coding
| Benchmark | Score | Source |
|---|
Performance History
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Frequently Asked Questions about GPT-4.1
What is GPT-4.1's Neura Intelligence Index score?▾
GPT-4.1 by OpenAI scores 33.5 out of 100 on the Neura Intelligence Index, ranking #219 among tracked AI models. This composite score is computed from 8 individual benchmarks across coding, math, reasoning, and language categories.
How much does GPT-4.1 cost to use?▾
GPT-4.1 costs $2/1M input tokens and $8/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $105.
Is GPT-4.1 open source?▾
No, GPT-4.1 is a proprietary model by OpenAI. It is only accessible via their API.
What is GPT-4.1's context window?▾
GPT-4.1 supports a context window of 1.0 million tokens, allowing it to process very long documents, codebases, and conversations in a single request.
What benchmark does GPT-4.1 perform best on?▾
GPT-4.1 achieves its highest score on MMMLU with a score of 87.3%. This benchmark evaluates multilingual massive multitask language understanding across many languages.