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GPT-5.6 Sol
🇺🇸OpenAI1w
Context:1.1M tokens
Input:$5/1M
Output:$30/1M
Neura Index
90.8
Rank #5—
mediumCategory Profile
Benchmark Scores (7)
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 94.6 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-Bench Pro | 64.6 | verified |
multimodal
| Benchmark | Score | Source |
|---|---|---|
| MMMU-Pro | 83 | verified |
Performance History
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Frequently Asked Questions about GPT-5.6 Sol
What is GPT-5.6 Sol's Neura Intelligence Index score?▾
GPT-5.6 Sol by OpenAI scores 90.8 out of 100 on the Neura Intelligence Index, ranking #5 among tracked AI models. This composite score is computed from 7 individual benchmarks across coding, math, reasoning, and language categories.
How much does GPT-5.6 Sol cost to use?▾
GPT-5.6 Sol costs $5/1M input tokens and $30/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $338.
Is GPT-5.6 Sol open source?▾
No, GPT-5.6 Sol is a proprietary model by OpenAI. It is only accessible via their API.
What is GPT-5.6 Sol's context window?▾
GPT-5.6 Sol supports a context window of 1.1 million tokens, allowing it to process very long documents, codebases, and conversations in a single request.
What benchmark does GPT-5.6 Sol perform best on?▾
GPT-5.6 Sol achieves its highest score on GPQA Diamond with a score of 94.6%. This benchmark evaluates 448 graduate-level science questions (biology, chemistry, physics) designed to be hard for non-experts.