# Claude Fable 5.1 vs DeepSeek V4 Pro 0813

> Side-by-side benchmark comparison for Claude Fable 5.1 and DeepSeek V4 Pro 0813 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-fable-5-1-vs-deepseek-v4-pro-0813
- Last updated: October 17, 2026

- Shared sourced benchmarks: 12
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Claude Fable 5.1 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Claude Fable 5.1 has the higher overall point estimate 83.18 to 63.19. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 76.8 for Claude Fable 5.1 and 47.2 for DeepSeek V4 Pro 0813.
- The biggest single benchmark swing is Terminal-Bench 2.1 (Vals) in Agentic, with scores of 85.0% and 54.7%.
- DeepSeek V4 Pro 0813 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Fable 5.1 | DeepSeek V4 Pro 0813 |
|----------|----------|----------|
| Creator | Anthropic | DeepSeek |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 83.18 | 63.19 |
| Benchmarks Covered | 33 | 41 |
| Pricing (input/output) | $10.00 / $50.00 | $1.32 / $3.96 |

## Category Breakdown

### Agentic

- Winner: Claude Fable 5.1
- Claude Fable 5.1 public-lane score: 80.9 (Supported · #2/128)
- DeepSeek V4 Pro 0813 public-lane score: 54.5 (Supported · #43/128)

| Benchmark | Claude Fable 5.1 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 55.80% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 52.6% | Coming soon | Coming soon |
| OSWorld 2.0 | 41.7% | Coming soon | Coming soon |
| AutomationBench | 31.4% | 31.8% | DeepSeek V4 Pro 0813 |
| Toolathlon-Verified | 77.8% | 74.1% | Claude Fable 5.1 |
| Toolathlon Verified Pass@3 | 81.5% | Coming soon | Coming soon |
| Toolathlon Verified Pass³ | 73.1% | Coming soon | Coming soon |
| Toolathlon Verified avg. turns | 23.7 turns | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 85.0% | 54.7% | Claude Fable 5.1 |
| ApprenticeBench | 72% | Coming soon | Coming soon |
| CWE-bench v1 | 58.0% | Coming soon | Coming soon |
| MazeBench | 10% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 67.9% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 87.9% | Coming soon |
| BrowseComp | Coming soon | 83.4% | Coming soon |
| HLE w/ tools | Coming soon | 60.0% | Coming soon |
| MCP Atlas | Coming soon | 73.6% | Coming soon |
| Toolathlon | Coming soon | 51.8% | Coming soon |
| CyberGym | Coming soon | 83.3% | Coming soon |
| Agents' Last Exam | Coming soon | 25.7% | Coming soon |

### Coding

- Winner: Claude Fable 5.1
- Claude Fable 5.1 public-lane score: 76.8 (Supported · #3/150)
- DeepSeek V4 Pro 0813 public-lane score: 47.2 (Supported · #49/150)

| Benchmark | Claude Fable 5.1 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| Bug Hunt Bench | 43.0 fixes | Coming soon | Coming soon |
| SWE-bench Pro | 81.2% | 55.4% | Claude Fable 5.1 |
| SWE Multilingual | 89.1% | 76.2% | Claude Fable 5.1 |
| SWE Multimodal | 54.7% | Coming soon | Coming soon |
| DeepSWE | 67.4% | 62.7% | Claude Fable 5.1 |
| FrontierSWE v2 | 56.3% | Coming soon | Coming soon |
| ProgramBench | 87.6% | Coming soon | Coming soon |
| CursorBench 3.2 | 73.4% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 90.5% | 87.5% | Claude Fable 5.1 |
| CursorBench 4.0 | 51.8% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 40.2% | Coming soon | Coming soon |
| LiveCodeBench Pass@1-COT | Coming soon | 93.5% | Coming soon |
| Codeforces | Coming soon | 3206.0 | Coming soon |
| SWE-bench Verified | Coming soon | 80.6% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 67.9% | Coming soon |
| Vibe Code Bench | Coming soon | 49.93% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 87.9% | Coming soon |
| NL2Repo | Coming soon | 61.5% | Coming soon |
| DSBench-FullStack | Coming soon | 71.1% | Coming soon |
| DSBench-Hard | Coming soon | 67.2% | Coming soon |
| OpenHarmony Bench | Coming soon | 59.0% | Coming soon |
| SWE-bench (Vals) | Coming soon | 96.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Fable 5.1 public-lane score: 85.2 (#4/28)
- DeepSeek V4 Pro 0813 public-lane score: 60.7 (Unranked · 4 rankable rows)

| Benchmark | Claude Fable 5.1 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 97.50% | 90.00% | Claude Fable 5.1 |
| ARC-AGI-2 | 90% | 61.3% | Claude Fable 5.1 |
| GraphWalks BFS 256K–1M | 65.0% | Coming soon | Coming soon |
| MRCR 1M | Coming soon | 83.5% | Coming soon |
| CorpusQA 1M | Coming soon | 62.0% | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Fable 5.1 public-lane score: 86.9 (Supported · #2/184)
- DeepSeek V4 Pro 0813 public-lane score: 63.5 (Estimated · #41/184)

| Benchmark | Claude Fable 5.1 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| HLE | 65% | 42.7% | Claude Fable 5.1 |
| HLE w/o tools | 60.9% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 93.4% | 92.4% | Claude Fable 5.1 |
| MMLU-Pro (Vals) | 92.4% | 87.0% | Claude Fable 5.1 |
| MMLU-Pro | Coming soon | 87.5% | Coming soon |
| Chinese-SimpleQA | Coming soon | 84.4% | Coming soon |
| GPQA | Coming soon | 90.1% | Coming soon |
| GPQA-D | Coming soon | 90.1% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Fable 5.1 public-lane score: Coming soon
- DeepSeek V4 Pro 0813 public-lane score: Coming soon

| Benchmark | Claude Fable 5.1 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 1.0% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Fable 5.1 public-lane score: 96.8 (Unranked · 2 rankable rows)
- DeepSeek V4 Pro 0813 public-lane score: 87.4 (Unranked · 4 rankable rows)

| Benchmark | Claude Fable 5.1 | DeepSeek V4 Pro 0813 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 90.175% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 87.805% | Coming soon | Coming soon |
| HMMT Feb 2026 | Coming soon | 95.2% | Coming soon |
| IMOAnswerBench | Coming soon | 89.8% | Coming soon |
| Apex | Coming soon | 38.3% | Coming soon |
| Apex Shortlist | Coming soon | 90.2% | Coming soon |

## FAQ

### Which is better overall, Claude Fable 5.1 or DeepSeek V4 Pro 0813?

Claude Fable 5.1 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Fable 5.1 and DeepSeek V4 Pro 0813?

The widest category gap is in coding, where the averages are 76.8 for Claude Fable 5.1 and 47.2 for DeepSeek V4 Pro 0813.

### How many benchmarks does Claude Fable 5.1 cover on BenchLM?

Claude Fable 5.1 currently has 33 sourced benchmark scores on BenchLM.

### How many benchmarks does DeepSeek V4 Pro 0813 cover on BenchLM?

DeepSeek V4 Pro 0813 currently has 41 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Fable 5.1 vs Claude Fable 5](/compare/claude-fable-vs-claude-fable-5-1)
- [DeepSeek V4 Pro 0813 vs Claude Fable 5](/compare/claude-fable-vs-deepseek-v4-pro-0813)
- [Claude Fable 5.1 vs Claude Opus 5.5](/compare/claude-fable-5-1-vs-claude-opus-5-5)
- [DeepSeek V4 Pro 0813 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-v4-pro-0813)

## Explore More

- [Claude Fable 5.1 profile](/models/claude-fable-5-1)
- [DeepSeek V4 Pro 0813 profile](/models/deepseek-v4-pro-0813)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)