# Claude Fable 5 vs DeepSeek V4 Flash 0731

> Side-by-side benchmark comparison for Claude Fable 5 and DeepSeek V4 Flash 0731 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-fable-vs-deepseek-v4-flash-0731
- Last updated: September 27, 2026

- Shared sourced benchmarks: 12
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Claude Fable 5 if you want the stronger benchmark profile. DeepSeek V4 Flash 0731 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Fable 5 leads overall 79.07 to 57.
- The clearest category separation is in reasoning, where the averages are 80.6 for Claude Fable 5 and 57 for DeepSeek V4 Flash 0731.
- The biggest single benchmark swing is ARC-AGI-2 in Reasoning, with scores of 89.2% and 61.4%.
- DeepSeek V4 Flash 0731 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Fable 5 | DeepSeek V4 Flash 0731 |
|----------|----------|----------|
| Creator | Anthropic | DeepSeek |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M+ | 1M |
| Overall Score | 79.07 | null |
| Benchmarks Covered | 21 | 42 |
| Pricing (input/output) | $10.00 / $50.00 | $0.14 / $0.28 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Fable 5 public-lane score: 73.7 (Supported · #4/105)
- DeepSeek V4 Flash 0731 public-lane score: Coming soon

| Benchmark | Claude Fable 5 | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 34.0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 84.3% | 82.7% | Claude Fable 5 |
| OSWorld-Verified | 85% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 80.5% | 67.0% | Claude Fable 5 |
| ApprenticeBench | 34% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 56.9% | Coming soon |
| BrowseComp | Coming soon | 73.2% | Coming soon |
| HLE w/ tools | Coming soon | 45.1% | Coming soon |
| MCP Atlas | Coming soon | 69% | Coming soon |
| Toolathlon | Coming soon | 47.8% | Coming soon |
| CyberGym | Coming soon | 76.7% | Coming soon |
| Toolathlon-Verified | Coming soon | 70.3% | Coming soon |
| Agents' Last Exam | Coming soon | 25.2% | Coming soon |
| AutomationBench | Coming soon | 25.1% | Coming soon |

### Coding

- Winner: Not comparable
- Claude Fable 5 public-lane score: 74.5 (Supported · #4/135)
- DeepSeek V4 Flash 0731 public-lane score: Coming soon

| Benchmark | Claude Fable 5 | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95% | 79% | Claude Fable 5 |
| SWE-bench Pro | 80% | 52.6% | Claude Fable 5 |
| FrontierSWE v2 | 47.0% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 53.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 84.3% | 82.7% | Claude Fable 5 |
| cursorBench31 | 70.6% | Coming soon | Coming soon |
| cursorBench32 | 70.5% | Coming soon | Coming soon |
| VulcanBench v3 | 89.5% | 88.4% | Claude Fable 5 |
| LiveCodeBench (Vals) | 89.8% | 87.3% | Claude Fable 5 |
| SWE-bench (Vals) | 95.0% | 88.8% | Claude Fable 5 |
| LiveCodeBench Pass@1-COT | Coming soon | 91.6% | Coming soon |
| Codeforces | Coming soon | 3052.0 | Coming soon |
| SWE Multilingual | Coming soon | 73.3% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 56.9% | Coming soon |
| NL2Repo | Coming soon | 54.2% | Coming soon |
| DeepSWE | Coming soon | 54.4% | Coming soon |
| DSBench-FullStack | Coming soon | 68.7% | Coming soon |
| DSBench-Hard | Coming soon | 59.6% | Coming soon |
| OpenHarmony Bench | Coming soon | 53.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Fable 5 public-lane score: 80.6 (Unranked · 4 rankable rows)
- DeepSeek V4 Flash 0731 public-lane score: 57 (Unranked · 4 rankable rows)

| Benchmark | Claude Fable 5 | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 98.50% | 89.00% | Claude Fable 5 |
| ARC-AGI-2 | 89.2% | 61.4% | Claude Fable 5 |
| MRCR 1M | Coming soon | 78.7% | Coming soon |
| CorpusQA 1M | Coming soon | 60.5% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Fable 5 public-lane score: 62.6 (Unranked · 2 rankable rows)
- DeepSeek V4 Flash 0731 public-lane score: Coming soon

| Benchmark | Claude Fable 5 | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| Blueprint-Bench 2 | 38.6% | Coming soon | Coming soon |
| OfficeQA Pro | 57.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Claude Fable 5 public-lane score: 81.8 (Supported · #4/158)
- DeepSeek V4 Flash 0731 public-lane score: Coming soon

| Benchmark | Claude Fable 5 | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 93.2% | 89.9% | Claude Fable 5 |
| MMLU-Pro (Vals) | 91.5% | 86.2% | Claude Fable 5 |
| MMLU-Pro | Coming soon | 86.2% | Coming soon |
| SimpleQA | Coming soon | 34.1% | Coming soon |
| Chinese-SimpleQA | Coming soon | 78.9% | Coming soon |
| GPQA | Coming soon | 88.1% | Coming soon |
| GPQA-D | Coming soon | 88.1% | Coming soon |
| HLE | Coming soon | 34.8% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Fable 5 public-lane score: 75.7 (#58/124)
- DeepSeek V4 Flash 0731 public-lane score: Coming soon

### Mathematics

- Winner: Not comparable
- Claude Fable 5 public-lane score: Coming soon
- DeepSeek V4 Flash 0731 public-lane score: 79.9 (Unranked · 4 rankable rows)

| Benchmark | Claude Fable 5 | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | Coming soon | 94.8% | Coming soon |
| IMOAnswerBench | Coming soon | 88.4% | Coming soon |
| Apex | Coming soon | 33.0% | Coming soon |
| Apex Shortlist | Coming soon | 85.7% | Coming soon |

## FAQ

### Which is better overall, Claude Fable 5 or DeepSeek V4 Flash 0731?

Claude Fable 5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Fable 5 and DeepSeek V4 Flash 0731?

The widest category gap is in reasoning, where the averages are 80.6 for Claude Fable 5 and 57 for DeepSeek V4 Flash 0731.

### How many benchmarks does Claude Fable 5 cover on BenchLM?

Claude Fable 5 currently has 21 sourced benchmark scores on BenchLM.

### How many benchmarks does DeepSeek V4 Flash 0731 cover on BenchLM?

DeepSeek V4 Flash 0731 currently has 42 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Fable 5 vs Claude Fable 5.1](/compare/claude-fable-vs-claude-fable-5-1)
- [DeepSeek V4 Flash 0731 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-deepseek-v4-flash-0731)
- [Claude Fable 5 vs GPT-6 Astra](/compare/claude-fable-vs-gpt-6-astra)
- [DeepSeek V4 Flash 0731 vs GPT-6 Astra](/compare/deepseek-v4-flash-0731-vs-gpt-6-astra)

## Explore More

- [Claude Fable 5 profile](/models/claude-fable)
- [DeepSeek V4 Flash 0731 profile](/models/deepseek-v4-flash-0731)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)