# GPT-6.1 Sol vs GPT-6 Sol

> Side-by-side benchmark comparison for GPT-6.1 Sol and GPT-6 Sol across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-6-1-sol-vs-gpt-6-sol
- Last updated: September 29, 2026

- Shared sourced benchmarks: 8
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick GPT-6 Sol if you want the stronger benchmark profile. GPT-6.1 Sol only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GPT-6 Sol leads overall 78.57 to 66.86.
- The clearest category separation is in knowledge, where the averages are 71.3 for GPT-6.1 Sol and 78.5 for GPT-6 Sol.
- The biggest single benchmark swing is ExploitGym in Agentic, with scores of 35.1% and 22.1%.

## Model Snapshot

| Property | GPT-6.1 Sol | GPT-6 Sol |
|----------|----------|----------|
| Creator | OpenAI | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1.05M | 1.05M |
| Overall Score | 66.86 | 78.57 |
| Benchmarks Covered | 9 | 10 |
| Pricing (input/output) | $2.00 / $10.00 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- GPT-6.1 Sol public-lane score: Coming soon
- GPT-6 Sol public-lane score: 59.9 (Supported · #19/117)

| Benchmark | GPT-6.1 Sol | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 36.1% | 33.2% | GPT-6.1 Sol |
| Terminal-Bench-Science 0.1 | 57.0% | Coming soon | Coming soon |
| ExploitGym | 35.1% | 22.1% | GPT-6.1 Sol |
| Agents' Last Exam | Coming soon | 56.4% | Coming soon |
| OSWorld 2.0 | Coming soon | 60.5% | Coming soon |

### Coding

- Winner: GPT-6.1 Sol
- GPT-6.1 Sol public-lane score: 67 (Supported · #8/143)
- GPT-6 Sol public-lane score: 63 (Supported · #13/143)

| Benchmark | GPT-6.1 Sol | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 71.9% | 68.8% | GPT-6.1 Sol |

### Reasoning

- Winner: Not comparable
- GPT-6.1 Sol public-lane score: 79.4 (Unranked · 2 rankable rows)
- GPT-6 Sol public-lane score: 79.6 (#4/27)

### Multimodal & Grounded

- Winner: Not comparable
- GPT-6.1 Sol public-lane score: 83.9 (Unranked · 1 rankable row)
- GPT-6 Sol public-lane score: 83.8 (Unranked · 1 rankable row)

### Knowledge

- Winner: Directional only
- GPT-6.1 Sol public-lane score: 71.3 (Estimated · #10/169)
- GPT-6 Sol public-lane score: 78.5 (Supported · #7/169)

| Benchmark | GPT-6.1 Sol | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| HealthBench (raw) | 56.7% | 47.1% | GPT-6.1 Sol |
| HealthBench (length-adjusted) | 58.5% | 53.2% | GPT-6.1 Sol |
| HealthBench Professional | 64.2% | 60.8% | GPT-6.1 Sol |
| HealthBench Professional (raw) | 67.2% | 59.5% | GPT-6.1 Sol |
| HealthBench Hard | 36.2% | 30.1% | GPT-6.1 Sol |

## FAQ

### Which is better overall, GPT-6.1 Sol or GPT-6 Sol?

GPT-6 Sol is ahead overall on BenchLM right now.

### Where is the biggest gap between GPT-6.1 Sol and GPT-6 Sol?

The widest category gap is in knowledge, where the averages are 71.3 for GPT-6.1 Sol and 78.5 for GPT-6 Sol.

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

GPT-6.1 Sol currently has 9 sourced benchmark scores on BenchLM.

### How many benchmarks does GPT-6 Sol cover on BenchLM?

GPT-6 Sol currently has 10 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GPT-6.1 Sol vs GPT-6 Astra](/compare/gpt-6-1-sol-vs-gpt-6-astra)
- [GPT-6 Sol vs GPT-6 Astra](/compare/gpt-6-astra-vs-gpt-6-sol)
- [GPT-6.1 Sol vs GPT-6 Luna](/compare/gpt-6-1-sol-vs-gpt-6-luna)
- [GPT-6 Sol vs GPT-6 Luna](/compare/gpt-6-luna-vs-gpt-6-sol)

## Explore More

- [GPT-6.1 Sol profile](/models/gpt-6-1-sol)
- [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)