# GPT-6.1 Sol vs Hy4

> Side-by-side benchmark comparison for GPT-6.1 Sol and Hy4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-6-1-sol-vs-hy4
- Last updated: November 4, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick GPT-6.1 Sol if you want the stronger benchmark profile. Hy4 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GPT-6.1 Sol leads overall 85.27 to 0.
- The biggest single benchmark swing is Terminal-Bench-Science 0.1 in Agentic, with scores of 57.0% and 19.8%.
- Hy4 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 | GPT-6.1 Sol | Hy4 |
|----------|----------|----------|
| Creator | OpenAI | Tencent |
| Type | Proprietary | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 1.05M | 1M |
| Overall Score | 85.27 | null |
| Benchmarks Covered | 25 | 15 |
| Pricing (input/output) | $2.00 / $10.00 | $0.834 / $2.501 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- GPT-6.1 Sol public-lane score: 77.2 (Estimated · #5/135)
- Hy4 public-lane score: Coming soon

| Benchmark | GPT-6.1 Sol | Hy4 | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 36.1% | 56.2% | Hy4 |
| Terminal-Bench-Science 0.1 | 57.0% | 19.8% | GPT-6.1 Sol |
| ExploitGym | 35.1% | Coming soon | Coming soon |
| MazeBench | 17% | Coming soon | Coming soon |
| Hermes Index | 57.1% | Coming soon | Coming soon |
| Hermes Bench | 73.9% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 44.40% | Coming soon |
| HLE w/ tools | Coming soon | 59.1% | Coming soon |
| Agents' Last Exam | Coming soon | 41.0% | Coming soon |
| APEX-Agents | Coming soon | 75.2% | Coming soon |
| OSWorld 2.1 | Coming soon | 78.9% | Coming soon |

### Coding

- Winner: Not comparable
- GPT-6.1 Sol public-lane score: 70.3 (Supported · #10/156)
- Hy4 public-lane score: Coming soon

| Benchmark | GPT-6.1 Sol | Hy4 | Winner |
|-----------|-----------|-----------|--------|
| ScarfBench | 68.4% | Coming soon | Coming soon |
| DeepSWE | 71.9% | 74.9% | Hy4 |
| Bug Hunt Bench | 44.3 fixes | Coming soon | Coming soon |
| FrontierCode 2.0 | 39.0% | 31.0% | GPT-6.1 Sol |
| sweMarathon | Coming soon | 43.8% | Coming soon |
| ProgramBench | Coming soon | 30.0% | Coming soon |
| PostTrainBench v1.2 | Coming soon | 35.2% | Coming soon |

### Reasoning

- Winner: Not comparable
- GPT-6.1 Sol public-lane score: 90.5 (#2/26)
- Hy4 public-lane score: Coming soon

| Benchmark | GPT-6.1 Sol | Hy4 | Winner |
|-----------|-----------|-----------|--------|
| STEMBench | 2.76 | Coming soon | Coming soon |
| ARC-AGI-1 | 96.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 94.2% | Coming soon | Coming soon |
| ARC-AGI-3 | 52.7% | Coming soon | Coming soon |
| ARC-AGI-3 Provider Adapter | 96.18% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- GPT-6.1 Sol public-lane score: 88.2 (Unranked · 1 rankable row)
- Hy4 public-lane score: Coming soon

| Benchmark | GPT-6.1 Sol | Hy4 | Winner |
|-----------|-----------|-----------|--------|
| ExtractBench (LlamaIndex) | 95.31% | Coming soon | Coming soon |
| ExtractBench Pro | 12% | Coming soon | Coming soon |
| ParseBench | 69.70% | Coming soon | Coming soon |
| MMMU-Pro | Coming soon | 78.6% | Coming soon |
| ZeroBench w/ Python | Coming soon | 55.4% | Coming soon |

### Knowledge

- Winner: Not comparable
- GPT-6.1 Sol public-lane score: 86.2 (Supported · #3/179)
- Hy4 public-lane score: Coming soon

| Benchmark | GPT-6.1 Sol | Hy4 | Winner |
|-----------|-----------|-----------|--------|
| HealthBench (raw) | 56.7% | Coming soon | Coming soon |
| HealthBench (length-adjusted) | 58.5% | Coming soon | Coming soon |
| HealthBench Professional | 64.2% | Coming soon | Coming soon |
| HealthBench Professional (raw) | 67.2% | Coming soon | Coming soon |
| HealthBench Hard | 36.2% | Coming soon | Coming soon |
| HLE | Coming soon | 59.1% | Coming soon |

### Mathematics

- Winner: Not comparable
- GPT-6.1 Sol public-lane score: 97.3 (Unranked · 2 rankable rows)
- Hy4 public-lane score: Coming soon

| Benchmark | GPT-6.1 Sol | Hy4 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 93.684% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 100.000% | Coming soon | Coming soon |

## FAQ

### Which is better overall, GPT-6.1 Sol or Hy4?

GPT-6.1 Sol is ahead overall on BenchLM right now.

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

GPT-6.1 Sol currently has 25 sourced benchmark scores on BenchLM.

### How many benchmarks does Hy4 cover on BenchLM?

Hy4 currently has 15 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GPT-6.1 Sol vs GPT-6 Astra](/compare/gpt-6-1-sol-vs-gpt-6-astra)
- [Hy4 vs GPT-6 Astra](/compare/gpt-6-astra-vs-hy4)
- [GPT-6.1 Sol vs GPT-6.1 Terra](/compare/gpt-6-1-sol-vs-gpt-6-1-terra)
- [Hy4 vs GPT-6.1 Terra](/compare/gpt-6-1-terra-vs-hy4)

## Explore More

- [GPT-6.1 Sol profile](/models/gpt-6-1-sol)
- [Hy4 profile](/models/hy4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)