# Claude Fable 5 vs MAI-Thinking-1

> Side-by-side benchmark comparison for Claude Fable 5 and MAI-Thinking-1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-fable-vs-mai-thinking-1
- Last updated: September 4, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Claude Fable 5 if you want the stronger benchmark profile. MAI-Thinking-1 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 80.9 to 52.27.
- The clearest category separation is in knowledge, where the averages are 83.5 for Claude Fable 5 and 53.3 for MAI-Thinking-1.
- The biggest single benchmark swing is Terminal-Bench 2.0 in Agentic, with scores of 84.3% and 46%.
- Claude Fable 5 also has the larger context window at 1M+.

## Model Snapshot

| Property | Claude Fable 5 | MAI-Thinking-1 |
|----------|----------|----------|
| Creator | Anthropic | Microsoft |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M+ | 256K |
| Overall Score | 80.9 | 52.27 |
| Benchmarks Covered | 18 | 14 |
| Pricing (input/output) | $10.00 / $50.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Fable 5 public-lane score: 74.8 (Supported · #3/151)
- MAI-Thinking-1 public-lane score: 51.7 (Estimated · #53/151)

| Benchmark | Claude Fable 5 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 34.0% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 84.3% | 46% | Claude Fable 5 |
| OSWorld-Verified | 85% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 80.5% | Coming soon | Coming soon |

### Coding

- Winner: Coming soon
- Claude Fable 5 public-lane score: 76.9 (Supported · #2/183)
- MAI-Thinking-1 public-lane score: 51.8 (Estimated · #60/183)

| Benchmark | Claude Fable 5 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95% | 73.5% | Claude Fable 5 |
| SWE-bench Pro | 80% | 52.8% | Claude Fable 5 |
| FrontierSWE v2 | 48.0% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 53.5% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 84.3% | 46.0% | Claude Fable 5 |
| cursorBench31 | 70.6% | Coming soon | Coming soon |
| cursorBench32 | 70.5% | Coming soon | Coming soon |
| VulcanBench v3 | 89.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 89.8% | Coming soon | Coming soon |
| SWE-bench (Vals) | 95.0% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 87.7% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Claude Fable 5 public-lane score: 62.5 (Unranked · 2 rankable rows)
- MAI-Thinking-1 public-lane score: Coming soon

| Benchmark | Claude Fable 5 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| Blueprint-Bench 2 | 38.6% | Coming soon | Coming soon |
| OfficeQA Pro | 57.9% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Fable 5 public-lane score: 76.2 (#11/22)
- MAI-Thinking-1 public-lane score: Coming soon

| Benchmark | Claude Fable 5 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| Graphwalks BFS 128K | Coming soon | 90% | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Fable 5 public-lane score: 83.5 (Supported · #2/181)
- MAI-Thinking-1 public-lane score: 53.3 (Estimated · #68/181)

| Benchmark | Claude Fable 5 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 93.2% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 91.5% | Coming soon | Coming soon |
| GPQA | Coming soon | 84.2% | Coming soon |
| GPQA-D | Coming soon | 84.2% | Coming soon |
| MMLU-Pro | Coming soon | 85% | Coming soon |
| SimpleQA | Coming soon | 31% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Claude Fable 5 public-lane score: 78.3 (#54/120)
- MAI-Thinking-1 public-lane score: 94.7 (#1/120)

| Benchmark | Claude Fable 5 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 85% | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Fable 5 public-lane score: Coming soon
- MAI-Thinking-1 public-lane score: 73.4 (Unranked · 3 rankable rows)

| Benchmark | Claude Fable 5 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | Coming soon | 97% | Coming soon |
| AIME26 | Coming soon | 94.5% | Coming soon |
| HMMT Feb 2026 | Coming soon | 84.9% | Coming soon |

## FAQ

### Which is better overall, Claude Fable 5 or MAI-Thinking-1?

Claude Fable 5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Fable 5 and MAI-Thinking-1?

The widest category gap is in knowledge, where the averages are 83.5 for Claude Fable 5 and 53.3 for MAI-Thinking-1.

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

Claude Fable 5 currently has 18 sourced benchmark scores on BenchLM.

### How many benchmarks does MAI-Thinking-1 cover on BenchLM?

MAI-Thinking-1 currently has 14 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Fable 5 vs Claude Fable 5.1](/compare/claude-fable-vs-claude-fable-5-1)
- [MAI-Thinking-1 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-mai-thinking-1)
- [Claude Fable 5 vs GPT-6 Astra](/compare/claude-fable-vs-gpt-6-astra)
- [MAI-Thinking-1 vs GPT-6 Astra](/compare/gpt-6-astra-vs-mai-thinking-1)

## Explore More

- [Claude Fable 5 profile](/models/claude-fable)
- [MAI-Thinking-1 profile](/models/mai-thinking-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)