Claude Fable 5.1 vs DeepSeek-V4-Pro-0813
Claude Fable 5.1 (Anthropic) and DeepSeek-V4-Pro-0813 (DeepSeek) compared on benchmarks, pricing, context window, and use-case rankings.
- Claude Fable 5.1 leads on overall intelligence (ECI 163 vs 155).
- DeepSeek-V4-Pro-0813 is cheaper on input tokens — $0.58 vs $10.00 per 1M.
- DeepSeek-V4-Pro-0813 has a larger context window (1M vs 1M tokens).
- Claude Fable 5.1 ranks higher for coding (100th vs 78th percentile).
| Attribute | Claude Fable 5.1 | DeepSeek-V4-Pro-0813 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 163 | 155 |
| Coding | 100 | 78 |
| Math | 96 | 88 |
| Reasoning & Knowledge | 94 | 70 |
| Agentic & Tools | 98 | — |
| Specifications | ||
| Developer | Anthropic | DeepSeek |
| Family | Claude | DeepSeek |
| Released | Sep 1, 2026 | Aug 13, 2026 |
| Parameters | — | 1.6T |
| Availability | API access | Open weights (unrestricted) |
| Context window | 1M | 1M |
| Price — $/M input | $10.00 | $0.58 |
| Price — $/M output | $50.00 | $1.74 |
| Inputs | text, image, file | text |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 100% | 99% |
| APEX | 47% | — |
| ARC-AGI | 98% | 91% |
| ARC-AGI-2 | 90% | 61% |
| GPQA Diamond | 94% | 92% |
| Humanity's Last Exam | 47% | 41% |
| SciCode | 63% | 51% |
| SimpleQA Verified | 71% | 53% |
| WebDev Arena | 1765 | 1582 |
| WeirdML | 93% | 66% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Is Claude Fable 5.1 better than DeepSeek-V4-Pro-0813?
On Epoch AI's Capabilities Index, Claude Fable 5.1 scores higher (163) than DeepSeek-V4-Pro-0813 (155). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is cheaper, Claude Fable 5.1 or DeepSeek-V4-Pro-0813?
DeepSeek-V4-Pro-0813 is cheaper on input tokens at $0.58 per million, versus $10.00 (representative OpenRouter pricing).
Which has a larger context window, Claude Fable 5.1 or DeepSeek-V4-Pro-0813?
DeepSeek-V4-Pro-0813 supports up to 1M tokens, compared with 1M for the other.
Which is better for coding, Claude Fable 5.1 or DeepSeek-V4-Pro-0813?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Claude Fable 5.1 ranks higher — 100th vs 78th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.