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Claude Sonnet 5
🇺🇸Anthropic3w
Context:1.0M tokens
Input:$3/1M
Output:$15/1M
Neura Index
86.6
Rank #11—
mediumCategory Profile
Benchmark Scores (6)
reasoning
| Benchmark | Score | Source |
|---|---|---|
| Humanity's Last Exam | 57.4 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 85.2 | verified |
| SWE-Bench Pro | 63.2 | verified |
agent
| Benchmark | Score | Source |
|---|
Performance History
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Frequently Asked Questions about Claude Sonnet 5
What is Claude Sonnet 5's Neura Intelligence Index score?▾
Claude Sonnet 5 by Anthropic scores 86.6 out of 100 on the Neura Intelligence Index, ranking #11 among tracked AI models. This composite score is computed from 6 individual benchmarks across coding, math, reasoning, and language categories.
How much does Claude Sonnet 5 cost to use?▾
Claude Sonnet 5 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 5 open source?▾
No, Claude Sonnet 5 is a proprietary model by Anthropic. It is only accessible via their API.
What is Claude Sonnet 5's context window?▾
Claude Sonnet 5 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 Claude Sonnet 5 perform best on?▾
Claude Sonnet 5 achieves its highest score on CharXiv Reasoning with a score of 88.3%. This benchmark evaluates chart comprehension and reasoning from scientific figures.