# GPT-6 Sol vs LongCat-2.5

> Side-by-side benchmark comparison for GPT-6 Sol and LongCat-2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

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

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-6 Sol and LongCat-2.5 share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- LongCat-2.5 has the lower published output-token price.
- GPT-6 Sol has the larger published context window at 1.05M.

## Model Snapshot

| Property | GPT-6 Sol | LongCat-2.5 |
|----------|----------|----------|
| Creator | OpenAI | Meituan |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Hybrid |
| Context | 1.05M | 1M |
| Independent public score (not head-to-head) | 77.74 | null |
| Benchmarks Covered | 25 | 22 |
| Pricing (input/output) | $2.00 / $10.00 | $0.30 / $1.20 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 57.7 (Supported · #37/132)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GPT-6 Sol | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.1 | 50.30% | Coming soon | Coming soon |
| Agents' Last Exam | 56.4% | 38.5% | GPT-6 Sol |
| AutomationBench | 33.2% | 51.8% | LongCat-2.5 |
| OSWorld 2.0 | 60.5% | Coming soon | Coming soon |
| ExploitGym | 22.1% | Coming soon | Coming soon |
| CWE-bench v1 | 52.0% | Coming soon | Coming soon |
| Hermes Index | 44.1% | Coming soon | Coming soon |
| Hermes Bench | 73.5% | Coming soon | Coming soon |
| MazeBench | 7% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.4% | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 38.50% | Coming soon |
| BrowseComp | Coming soon | 91.9% | Coming soon |
| HLE w/ tools | Coming soon | 63.1% | Coming soon |
| MCP Atlas | Coming soon | 83.1% | Coming soon |
| JobBench | Coming soon | 65.4% | Coming soon |
| skillsBench | Coming soon | 63.3% | Coming soon |
| SpreadsheetBench 2 | Coming soon | 34.9% | Coming soon |
| Claw-Eval | Coming soon | 78.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 64.7 (Supported · #14/158)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GPT-6 Sol | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 68.8% | 64.6% | GPT-6 Sol |
| FrontierCode 2.0 | 34.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.4% | Coming soon |
| ProgramBench | Coming soon | 25.5% | Coming soon |
| PaperBench | Coming soon | 82.1% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 58.3% | Coming soon |
| NL2Repo | Coming soon | 60.5% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 72 (Supported · #15/157)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GPT-6 Sol | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 95.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 89.6% | Coming soon | Coming soon |
| ARC-AGI-3 | 4.6% | Coming soon | Coming soon |
| ARC-AGI-3 Provider Adapter | 23.03% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 74.5 (Supported · #11/67)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GPT-6 Sol | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| ExtractBench (LlamaIndex) | 94.57% | Coming soon | Coming soon |
| ParseBench | 68.85% | Coming soon | Coming soon |
| Vision2Web | Coming soon | 78.6% | Coming soon |
| CharXiv | Coming soon | 90.2% | Coming soon |
| MathVision w/ Python | Coming soon | 96.5% | Coming soon |
| Video-MME | Coming soon | 85.2% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 78.6 (Estimated · #10/179)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GPT-6 Sol | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| HealthBench (raw) | 47.1% | Coming soon | Coming soon |
| HealthBench (length-adjusted) | 53.2% | Coming soon | Coming soon |
| HealthBench Professional | 60.8% | Coming soon | Coming soon |
| HealthBench Professional (raw) | 59.5% | Coming soon | Coming soon |
| HealthBench Hard | 30.1% | Coming soon | Coming soon |
| FrontierScience | Coming soon | 77% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: Coming soon
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GPT-6 Sol | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 10.1% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 93.8 (Unranked · 2 rankable rows)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GPT-6 Sol | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 89.825% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 90.000% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between GPT-6 Sol and LongCat-2.5?

Not yet. The models share only 3 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [GPT-6 Sol vs GPT-6 Astra](/compare/gpt-6-astra-vs-gpt-6-sol)
- [LongCat-2.5 vs GPT-6 Astra](/compare/gpt-6-astra-vs-longcat-2-5)
- [GPT-6 Sol vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-gpt-6-sol)
- [LongCat-2.5 vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-longcat-2-5)

## Explore More

- [GPT-6 Sol profile](/models/gpt-6-sol)
- [LongCat-2.5 profile](/models/longcat-2-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)