# Claude Fable 5.2 vs GPT-6.1 Sol

> Side-by-side benchmark comparison for Claude Fable 5.2 and GPT-6.1 Sol across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-fable-5-2-vs-gpt-6-1-sol
- Last updated: November 9, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Claude Fable 5.2 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 5.2 has the higher overall point estimate 91.19 to 85.03. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 86.9 for Claude Fable 5.2 and 69.4 for GPT-6.1 Sol.
- The biggest single benchmark swing is Terminal-Bench-Science 0.1 in Agentic, with scores of 74.6% and 57.0%.
- GPT-6.1 Sol is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GPT-6.1 Sol also has the larger context window at 1.05M.

## Model Snapshot

| Property | Claude Fable 5.2 | GPT-6.1 Sol |
|----------|----------|----------|
| Creator | Anthropic | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1.05M |
| Overall Score | 91.19 | 85.03 |
| Benchmarks Covered | 30 | 27 |
| Pricing (input/output) | $8.00 / $40.00 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Fable 5.2 public-lane score: 90.7 (Estimated · #1/132)
- GPT-6.1 Sol public-lane score: 75.8 (Estimated · #7/132)

| Benchmark | Claude Fable 5.2 | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 67.60% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 74.6% | 57.0% | Claude Fable 5.2 |
| AutomationBench | 51.4% | 36.1% | Claude Fable 5.2 |
| OSWorld 2.1 Offline | 89.3% | Coming soon | Coming soon |
| WANDR | 82.1% | Coming soon | Coming soon |
| Remote Labor Index | 41.3% | Coming soon | Coming soon |
| RoboDojo Sim | 64.9% | Coming soon | Coming soon |
| DRACO | 87.7% | Coming soon | Coming soon |
| Terminal-Bench 4.1 | Coming soon | 60.90% | Coming soon |
| ExploitGym | Coming soon | 35.1% | Coming soon |
| MazeBench | Coming soon | 17% | Coming soon |
| Hermes Index | Coming soon | 57.1% | Coming soon |
| Hermes Bench | Coming soon | 73.9% | Coming soon |

### Coding

- Winner: Directional only
- Claude Fable 5.2 public-lane score: 86.9 (Estimated · #1/158)
- GPT-6.1 Sol public-lane score: 69.4 (Supported · #11/158)

| Benchmark | Claude Fable 5.2 | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 93% | Coming soon | Coming soon |
| SWE Multilingual | 96.6% | Coming soon | Coming soon |
| SWE Multimodal | 74.1% | Coming soon | Coming soon |
| DeepSWE | 74.3% | 71.9% | Claude Fable 5.2 |
| FrontierSWE v2 | 69.9% | Coming soon | Coming soon |
| ProgramBench | 85.6% | Coming soon | Coming soon |
| FrontierCode 2.0 | 49.1% | 39.0% | Claude Fable 5.2 |
| CursorBench 4.0 | 60.0% | Coming soon | Coming soon |
| ScarfBench | Coming soon | 68.4% | Coming soon |
| Bug Hunt Bench | Coming soon | 44.3 fixes | Coming soon |

### Reasoning

- Winner: Claude Fable 5.2
- Claude Fable 5.2 public-lane score: 90.7 (Supported · #1/157)
- GPT-6.1 Sol public-lane score: 80.2 (Supported · #3/157)

| Benchmark | Claude Fable 5.2 | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-3 | 65.7% | 52.7% | Claude Fable 5.2 |
| ARC-AGI-3 Provider Adapter | 94.90% | 96.18% | GPT-6.1 Sol |
| STEM Professor Bench | 61.8% | Coming soon | Coming soon |
| BioBasicsBench | Coming soon | 62.6% | Coming soon |
| STEMBench | Coming soon | 2.76 | Coming soon |
| ARC-AGI-1 | Coming soon | 96.50% | Coming soon |
| ARC-AGI-2 | Coming soon | 94.2% | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Claude Fable 5.2 public-lane score: 89.8 (Estimated · #1/67)
- GPT-6.1 Sol public-lane score: 78.4 (Supported · #5/67)

| Benchmark | Claude Fable 5.2 | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| Chartography (no tools) | 73.4% | Coming soon | Coming soon |
| Chartography (tools) | 91.6% | Coming soon | Coming soon |
| OfficeQA | 83.4% | Coming soon | Coming soon |
| OfficeQA Pro | 72.9% | Coming soon | Coming soon |
| BenchCAD 2.1 | 75.4% | Coming soon | Coming soon |
| BenchCAD 2.1 (tools) | 83.5% | Coming soon | Coming soon |
| ExtractBench (LlamaIndex) | Coming soon | 95.31% | Coming soon |
| ExtractBench Pro | Coming soon | 12% | Coming soon |
| ParseBench | Coming soon | 69.63% | Coming soon |

### Knowledge

- Winner: Claude Fable 5.2
- Claude Fable 5.2 public-lane score: 97.6 (Supported · #1/179)
- GPT-6.1 Sol public-lane score: 84.2 (Supported · #4/179)

| Benchmark | Claude Fable 5.2 | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| HLE | 74.2% | Coming soon | Coming soon |
| HLE w/o tools | 73.2% | Coming soon | Coming soon |
| PhysicianBench | 64.4% | Coming soon | Coming soon |
| HealthBench (raw) | Coming soon | 56.7% | Coming soon |
| HealthBench (length-adjusted) | Coming soon | 58.5% | Coming soon |
| HealthBench Professional | Coming soon | 64.2% | Coming soon |
| HealthBench Professional (raw) | Coming soon | 67.2% | Coming soon |
| HealthBench Hard | Coming soon | 36.2% | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Fable 5.2 public-lane score: Coming soon
- GPT-6.1 Sol public-lane score: Coming soon

| Benchmark | Claude Fable 5.2 | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| GMMLU | 96.0% | Coming soon | Coming soon |
| MILU | 94.1% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Fable 5.2 public-lane score: Coming soon
- GPT-6.1 Sol public-lane score: 93.8 (Unranked · 2 rankable rows)

| Benchmark | Claude Fable 5.2 | GPT-6.1 Sol | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 93.684% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 100.000% | Coming soon |

## FAQ

### Which is better overall, Claude Fable 5.2 or GPT-6.1 Sol?

Claude Fable 5.2 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Fable 5.2 and GPT-6.1 Sol?

The widest category gap is in coding, where the averages are 86.9 for Claude Fable 5.2 and 69.4 for GPT-6.1 Sol.

### How many benchmarks does Claude Fable 5.2 cover on BenchLM?

Claude Fable 5.2 currently has 30 sourced benchmark scores on BenchLM.

### How many benchmarks does GPT-6.1 Sol cover on BenchLM?

GPT-6.1 Sol currently has 27 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Fable 5.2 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-fable-5-2)
- [GPT-6.1 Sol vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-6-1-sol)
- [Claude Fable 5.2 vs Claude Fable 5](/compare/claude-fable-vs-claude-fable-5-2)
- [GPT-6.1 Sol vs Claude Fable 5](/compare/claude-fable-vs-gpt-6-1-sol)

## Explore More

- [Claude Fable 5.2 profile](/models/claude-fable-5-2)
- [GPT-6.1 Sol profile](/models/gpt-6-1-sol)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)