# Composer 2.5 vs GPT-6 Sol

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

- Canonical page: https://benchlm.ai/compare/composer-2-5-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 Composer 2.5 and GPT-6 Sol.

## Summary

- Composer 2.5 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 | Composer 2.5 | GPT-6 Sol |
|----------|----------|----------|
| Creator | Cursor | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 1.05M |
| Independent public score (not head-to-head) | null | 80.45 |
| Benchmarks Covered | 7 | 10 |
| Pricing (input/output) | $0.50 / $2.50 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: 50.3 (Estimated · #61/157)
- GPT-6 Sol public-lane score: 69.7 (Estimated · #7/157)

| Benchmark | Composer 2.5 | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 69.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 58.4% | 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
- Composer 2.5 public-lane score: 50.7 (Supported · #64/159)
- GPT-6 Sol public-lane score: 74.3 (Estimated · #6/159)

| Benchmark | Composer 2.5 | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 69.3% | Coming soon | Coming soon |
| SWE Multilingual | 79.8% | Coming soon | Coming soon |
| cursorBench31 | 63.2% | Coming soon | Coming soon |
| cursorBench32 | 56.1% | Coming soon | Coming soon |
| SWE-bench (Vals) | 79.6% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 68.8% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- GPT-6 Sol public-lane score: 78.5 (#5/17)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- GPT-6 Sol public-lane score: 82.8 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- Composer 2.5 public-lane score: Coming soon
- GPT-6 Sol public-lane score: 80.2 (Estimated · #6/189)

| Benchmark | Composer 2.5 | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| 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 |

## FAQ

### Can I compare Composer 2.5 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

- [Composer 2.5 vs Composer 2](/compare/composer-2-vs-composer-2-5)
- [GPT-6 Sol vs Composer 2](/compare/composer-2-vs-gpt-6-sol)
- [Composer 2.5 vs Composer 2 Fast](/compare/composer-2-5-vs-composer-2-fast)
- [GPT-6 Sol vs Composer 2 Fast](/compare/composer-2-fast-vs-gpt-6-sol)

## Explore More

- [Composer 2.5 profile](/models/composer-2-5)
- [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)