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Claude Sonnet 4.6
🇺🇸Anthropic5mo
Context:200K tokens
Input:$3/1M
Output:$15/1M
Neura Index
76.2
Rank #41—
highCategory Profile
Benchmark Scores (9)
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 89.9 | verified |
| ARC-AGI v2 | 58.3 | verified |
| Humanity's Last Exam | 49 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 79.6 | verified |
multimodal
Performance History
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Frequently Asked Questions about Claude Sonnet 4.6
What is Claude Sonnet 4.6's Neura Intelligence Index score?▾
Claude Sonnet 4.6 by Anthropic scores 76.2 out of 100 on the Neura Intelligence Index, ranking #41 among tracked AI models. This composite score is computed from 9 individual benchmarks across coding, math, reasoning, and language categories.
How much does Claude Sonnet 4.6 cost to use?▾
Claude Sonnet 4.6 costs $3/1M input tokens and $15/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $180.
Is Claude Sonnet 4.6 open source?▾
No, Claude Sonnet 4.6 is a proprietary model by Anthropic. It is only accessible via their API.
What is Claude Sonnet 4.6's context window?▾
Claude Sonnet 4.6 supports a context window of 200K tokens, allowing it to process very long documents, codebases, and conversations in a single request.
What benchmark does Claude Sonnet 4.6 perform best on?▾
Claude Sonnet 4.6 achieves its highest score on GPQA Diamond with a score of 89.9%. This benchmark evaluates 448 graduate-level science questions (biology, chemistry, physics) designed to be hard for non-experts.