# GLM-5.3 vs GPT-6 Sol

> Side-by-side benchmark comparison for GLM-5.3 and GPT-6 Sol across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-3-vs-gpt-6-sol
- Last updated: September 22, 2026

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

## Quick Verdict

Pick GPT-6 Sol if you want the stronger benchmark profile. GLM-5.3 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 80.45 to 67.04.
- The clearest category separation is in knowledge, where the averages are 61.6 for GLM-5.3 and 80.2 for GPT-6 Sol.
- The biggest single benchmark swing is Agents' Last Exam in Agentic, with scores of 28.5% and 56.4%.
- GLM-5.3 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GPT-6 Sol also has the larger context window at 1.05M.

## Model Snapshot

| Property | GLM-5.3 | GPT-6 Sol |
|----------|----------|----------|
| Creator | Z.AI | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1.05M |
| Overall Score | 67.04 | 80.45 |
| Benchmarks Covered | 24 | 10 |
| Pricing (input/output) | $0.00 / $0.00 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- GLM-5.3 public-lane score: 68.7 (Supported · #10/157)
- GPT-6 Sol public-lane score: 69.7 (Estimated · #7/157)

| Benchmark | GLM-5.3 | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.2% | Coming soon | Coming soon |
| terminalBench3 | 28.3% | Coming soon | Coming soon |
| CyberGym | 84.5% | Coming soon | Coming soon |
| ExploitGym | 15.0% | 22.1% | GPT-6 Sol |
| Toolathlon-Verified | 73.0% | Coming soon | Coming soon |
| AutomationBench | 48.2% | 33.2% | GLM-5.3 |
| Agents' Last Exam | 28.5% | 56.4% | GPT-6 Sol |
| HLE w/ tools | 62.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 71.5% | Coming soon | Coming soon |
| OSWorld 2.0 | Coming soon | 60.5% | Coming soon |

### Coding

- Winner: Coming soon
- GLM-5.3 public-lane score: 60.9 (Supported · #22/159)
- GPT-6 Sol public-lane score: 74.3 (Estimated · #6/159)

| Benchmark | GLM-5.3 | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.2% | Coming soon | Coming soon |
| terminalBench3 | 28.3% | Coming soon | Coming soon |
| DeepSWE | 66.9% | 68.8% | GPT-6 Sol |
| NL2Repo | 58% | Coming soon | Coming soon |
| ProgramBench | 19.0% | Coming soon | Coming soon |
| FrontierSWE | 78.1% | Coming soon | Coming soon |
| sweMarathon | 42.5% | Coming soon | Coming soon |
| PostTrain Bench | 39.8% | Coming soon | Coming soon |
| VulcanBench v3 | 78.3% | Coming soon | Coming soon |
| OpenHarmony Bench | 60.8% | Coming soon | Coming soon |
| FrontierSWE v2 | 30.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 80.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 95.4% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- GLM-5.3 public-lane score: 75.8 (#8/17)
- GPT-6 Sol public-lane score: 78.5 (#5/17)

### Multimodal & Grounded

- Winner: Coming soon
- GLM-5.3 public-lane score: Coming soon
- GPT-6 Sol public-lane score: 82.8 (Unranked · 1 rankable row)

### Knowledge

- Winner: Coming soon
- GLM-5.3 public-lane score: 61.6 (Supported · #35/189)
- GPT-6 Sol public-lane score: 80.2 (Estimated · #6/189)

| Benchmark | GLM-5.3 | GPT-6 Sol | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 88.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.8% | 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 |

## FAQ

### Which is better overall, GLM-5.3 or GPT-6 Sol?

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

### Where is the biggest gap between GLM-5.3 and GPT-6 Sol?

The widest category gap is in knowledge, where the averages are 61.6 for GLM-5.3 and 80.2 for GPT-6 Sol.

### How many benchmarks does GLM-5.3 cover on BenchLM?

GLM-5.3 currently has 24 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

- [GLM-5.3 vs GLM-5.3-Flash](/compare/glm-5-3-vs-glm-5-3-flash)
- [GPT-6 Sol vs GLM-5.3-Flash](/compare/glm-5-3-flash-vs-gpt-6-sol)
- [GLM-5.3 vs GLM-5.2](/compare/glm-5-2-vs-glm-5-3)
- [GPT-6 Sol vs GLM-5.2](/compare/glm-5-2-vs-gpt-6-sol)

## Explore More

- [GLM-5.3 profile](/models/glm-5-3)
- [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)