# Claude Fable 5 vs GPT-6 Sol

> Side-by-side benchmark comparison for Claude Fable 5 and GPT-6 Sol across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-fable-vs-gpt-6-sol
- Last updated: September 22, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Claude Fable 5 and GPT-6 Sol.

## Summary

- Claude Fable 5 and GPT-6 Sol do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Claude Fable 5 | GPT-6 Sol |
|----------|----------|----------|
| Creator | Anthropic | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M+ | 1.05M |
| Independent public score (not head-to-head) | 81.04 | 80.45 |
| Benchmarks Covered | 19 | 10 |
| Pricing (input/output) | $10.00 / $50.00 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Fable 5 public-lane score: 75.3 (Supported · #4/157)
- GPT-6 Sol public-lane score: 69.7 (Estimated · #7/157)

| Benchmark | Claude Fable 5 | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 34.0% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 84.3% | Coming soon | Coming soon |
| OSWorld-Verified | 85% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 80.5% | Coming soon | Coming soon |
| ApprenticeBench | 34% | Coming soon | Coming soon |
| Agents' Last Exam | Coming soon | 56.4% | Coming soon |
| AutomationBench | Coming soon | 33.2% | Coming soon |
| OSWorld 2.0 | Coming soon | 60.5% | Coming soon |
| ExploitGym | Coming soon | 22.1% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Fable 5 public-lane score: 76.7 (Supported · #3/159)
- GPT-6 Sol public-lane score: 74.3 (Estimated · #6/159)

| Benchmark | Claude Fable 5 | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95% | Coming soon | Coming soon |
| SWE-bench Pro | 80% | Coming soon | Coming soon |
| FrontierSWE v2 | 47.0% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 53.5% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 84.3% | Coming soon | Coming soon |
| 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 |
| DeepSWE | Coming soon | 68.8% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Fable 5 public-lane score: 77.6 (Unranked · 2 rankable rows)
- GPT-6 Sol public-lane score: 78.5 (#5/17)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Fable 5 public-lane score: 62.6 (Unranked · 2 rankable rows)
- GPT-6 Sol public-lane score: 82.8 (Unranked · 1 rankable row)

| Benchmark | Claude Fable 5 | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| Blueprint-Bench 2 | 38.6% | Coming soon | Coming soon |
| OfficeQA Pro | 57.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Fable 5 public-lane score: 82.8 (Supported · #2/189)
- GPT-6 Sol public-lane score: 80.2 (Estimated · #6/189)

| Benchmark | Claude Fable 5 | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 93.2% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 91.5% | Coming soon | Coming soon |
| HealthBench (raw) | Coming soon | 47.1% | Coming soon |
| HealthBench (length-adjusted) | Coming soon | 53.2% | Coming soon |
| HealthBench Professional | Coming soon | 60.8% | Coming soon |
| HealthBench Professional (raw) | Coming soon | 59.5% | Coming soon |
| HealthBench Hard | Coming soon | 30.1% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Fable 5 public-lane score: 75.7 (#58/124)
- GPT-6 Sol public-lane score: Coming soon

## FAQ

### Can I compare Claude Fable 5 and GPT-6 Sol on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

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

## Explore More

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