# Claude Fable 5.1 vs MiniMax M3.1 Flash

> Side-by-side benchmark comparison for Claude Fable 5.1 and MiniMax M3.1 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-fable-5-1-vs-minimax-m3-1-flash
- Last updated: October 19, 2026

- Shared sourced benchmarks: 6
- 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 83.17 to 67.05. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 80.8 for Claude Fable 5.1 and 63.9 for MiniMax M3.1 Flash.
- The biggest single benchmark swing is AutomationBench in Agentic, with scores of 31.4% and 62.2%.
- MiniMax M3.1 Flash 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 | MiniMax M3.1 Flash |
|----------|----------|----------|
| Creator | Anthropic | MiniMax |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 83.17 | 67.05 |
| Benchmarks Covered | 33 | 14 |
| Pricing (input/output) | $10.00 / $50.00 | $0.15 / $0.60 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Fable 5.1 public-lane score: 80.8 (Supported · #2/130)
- MiniMax M3.1 Flash public-lane score: 63.9 (Estimated · #19/130)

| Benchmark | Claude Fable 5.1 | MiniMax M3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 55.80% | 38.10% | Claude Fable 5.1 |
| Terminal-Bench-Science 0.1 | 52.6% | Coming soon | Coming soon |
| OSWorld 2.0 | 41.7% | 61.7% | MiniMax M3.1 Flash |
| AutomationBench | 31.4% | 62.2% | MiniMax M3.1 Flash |
| Toolathlon-Verified | 77.8% | Coming soon | Coming soon |
| 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% | Coming soon | Coming soon |
| ApprenticeBench | 72% | Coming soon | Coming soon |
| CWE-bench v1 | 58.0% | Coming soon | Coming soon |
| MazeBench | 10% | Coming soon | Coming soon |
| LOCA-Bench 256K | Coming soon | 60.3 | Coming soon |
| SWE Refactor Bench | Coming soon | 23.0 | Coming soon |
| BankerToolBench | Coming soon | 76.2% | Coming soon |
| Agents' Last Exam | Coming soon | 29.6% | Coming soon |
| CyberGym | Coming soon | 82.2% | Coming soon |

### Coding

- Winner: Claude Fable 5.1
- Claude Fable 5.1 public-lane score: 76.9 (Supported · #3/151)
- MiniMax M3.1 Flash public-lane score: 61.3 (Supported · #17/151)

| Benchmark | Claude Fable 5.1 | MiniMax M3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| Bug Hunt Bench | 43.0 fixes | Coming soon | Coming soon |
| SWE-bench Pro | 81.2% | Coming soon | Coming soon |
| SWE Multilingual | 89.1% | Coming soon | Coming soon |
| SWE Multimodal | 54.7% | Coming soon | Coming soon |
| DeepSWE | 67.4% | 73.7% | MiniMax M3.1 Flash |
| 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% | Coming soon | Coming soon |
| CursorBench 4.0 | 51.8% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 40.2% | 39.3% | Claude Fable 5.1 |
| NL2Repo | Coming soon | 61.2% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Fable 5.1 public-lane score: 85.2 (#4/26)
- MiniMax M3.1 Flash public-lane score: 80.6 (Unranked · 2 rankable rows)

| Benchmark | Claude Fable 5.1 | MiniMax M3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 97.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 90% | Coming soon | Coming soon |
| GraphWalks BFS 256K–1M | 65.0% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Fable 5.1 public-lane score: Coming soon
- MiniMax M3.1 Flash public-lane score: 73.5 (#30/55)

| Benchmark | Claude Fable 5.1 | MiniMax M3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| BabyVision w/ Python | Coming soon | 91.0% | Coming soon |
| CharXiv | Coming soon | 82.5% | Coming soon |

### Knowledge

- Winner: Claude Fable 5.1
- Claude Fable 5.1 public-lane score: 86.8 (Supported · #2/186)
- MiniMax M3.1 Flash public-lane score: 73.2 (Supported · #14/186)

| Benchmark | Claude Fable 5.1 | MiniMax M3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| HLE | 65% | Coming soon | Coming soon |
| HLE w/o tools | 60.9% | 43.4% | Claude Fable 5.1 |
| GPQA Diamond (Vals) | 93.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 92.4% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Fable 5.1 public-lane score: Coming soon
- MiniMax M3.1 Flash public-lane score: Coming soon

| Benchmark | Claude Fable 5.1 | MiniMax M3.1 Flash | 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)
- MiniMax M3.1 Flash public-lane score: Coming soon

| Benchmark | Claude Fable 5.1 | MiniMax M3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 90.175% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 87.805% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude Fable 5.1 or MiniMax M3.1 Flash?

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 MiniMax M3.1 Flash?

The widest category gap is in agentic, where the averages are 80.8 for Claude Fable 5.1 and 63.9 for MiniMax M3.1 Flash.

### 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 MiniMax M3.1 Flash cover on BenchLM?

MiniMax M3.1 Flash currently has 14 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Fable 5.1 vs Claude Fable 5](/compare/claude-fable-vs-claude-fable-5-1)
- [MiniMax M3.1 Flash vs Claude Fable 5](/compare/claude-fable-vs-minimax-m3-1-flash)
- [Claude Fable 5.1 vs MiniMax M3.1 Flash Preview](/compare/claude-fable-5-1-vs-minimax-m3-1-flash-preview)
- [MiniMax M3.1 Flash vs MiniMax M3.1 Flash Preview](/compare/minimax-m3-1-flash-vs-minimax-m3-1-flash-preview)

## Explore More

- [Claude Fable 5.1 profile](/models/claude-fable-5-1)
- [MiniMax M3.1 Flash profile](/models/minimax-m3-1-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)