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Claude Fable 5
🇺🇸Anthropic1mo
Context:1.0M tokens
Input:$10/1M
Output:$50/1M
Neura Index
97.7
Rank #2—
lowCategory Profile
Benchmark Scores (3)
reasoning
| Benchmark | Score | Source |
|---|---|---|
| Humanity's Last Exam | 64.5 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 95 | verified |
| SWE-Bench Pro | 80 | verified |
Performance History
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Frequently Asked Questions about Claude Fable 5
What is Claude Fable 5's Neura Intelligence Index score?▾
Claude Fable 5 by Anthropic scores 97.7 out of 100 on the Neura Intelligence Index, ranking #2 among tracked AI models. This composite score is computed from 3 individual benchmarks across coding, math, reasoning, and language categories.
How much does Claude Fable 5 cost to use?▾
Claude Fable 5 costs $10/1M input tokens and $50/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $600.
Is Claude Fable 5 open source?▾
No, Claude Fable 5 is a proprietary model by Anthropic. It is only accessible via their API.
What is Claude Fable 5's context window?▾
Claude Fable 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 Fable 5 perform best on?▾
Claude Fable 5 achieves its highest score on SWE-bench Verified with a score of 95.0%. This benchmark evaluates real-world github issue resolution — 500 verified problems from popular python repos.