# GLM-4.7 vs GPT-5.5 Pro

> Side-by-side benchmark comparison for GLM-4.7 and GPT-5.5 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-4-7-vs-gpt-5-5-pro
- Last updated: September 4, 2026

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

## Quick Verdict

Pick GPT-5.5 Pro if you want the stronger benchmark profile. GLM-4.7 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GPT-5.5 Pro leads overall 63.07 to 58.99.
- The clearest category separation is in mathematics, where the averages are 26 for GLM-4.7 and 70.2 for GPT-5.5 Pro.
- The biggest single benchmark swing is FrontierMath v2 (Tiers 1-3) in Mathematics, with scores of 2.439% and 51.000%.
- GLM-4.7 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GPT-5.5 Pro also has the larger context window at 1M.

## Model Snapshot

| Property | GLM-4.7 | GPT-5.5 Pro |
|----------|----------|----------|
| Creator | Z.AI | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 1M |
| Overall Score | 58.99 | 63.07 |
| Benchmarks Covered | 13 | 6 |
| Pricing (input/output) | $0.00 / $0.00 | $30.00 / $180.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- GLM-4.7 public-lane score: 51.1 (Estimated · #57/151)
- GPT-5.5 Pro public-lane score: 60.6 (Estimated · #24/151)

| Benchmark | GLM-4.7 | GPT-5.5 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 41% | Coming soon | Coming soon |
| BrowseComp | 52% | 90.1% | GPT-5.5 Pro |
| VITA-Bench | 15.5% | Coming soon | Coming soon |
| Gert Labs | 39.95% | Coming soon | Coming soon |

### Coding

- Winner: Coming soon
- GLM-4.7 public-lane score: 48 (Supported · #86/183)
- GPT-5.5 Pro public-lane score: Coming soon

| Benchmark | GLM-4.7 | GPT-5.5 Pro | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 73.8% | Coming soon | Coming soon |
| LiveCodeBench | 84.9% | Coming soon | Coming soon |
| SWE-Rebench | 58.7% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- GLM-4.7 public-lane score: 69.9 (Unranked · 2 rankable rows)
- GPT-5.5 Pro public-lane score: Coming soon

### Knowledge

- Winner: Coming soon
- GLM-4.7 public-lane score: 48.1 (Supported · #102/181)
- GPT-5.5 Pro public-lane score: 61.1 (Estimated · #36/181)

| Benchmark | GLM-4.7 | GPT-5.5 Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 85.7% | Coming soon | Coming soon |
| MMLU-Pro | 84.3% | Coming soon | Coming soon |
| HLE | 24.8% | 57.2% | GPT-5.5 Pro |
| HLE w/o tools | Coming soon | 43.1% | Coming soon |

### Instruction Following

- Winner: Coming soon
- GLM-4.7 public-lane score: 82.6 (#49/120)
- GPT-5.5 Pro public-lane score: Coming soon

### Mathematics

- Winner: Coming soon
- GLM-4.7 public-lane score: 26 (Unranked · 2 rankable rows)
- GPT-5.5 Pro public-lane score: 70.2 (Unranked · 3 rankable rows)

| Benchmark | GLM-4.7 | GPT-5.5 Pro | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 95.7% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 2.439% | 51.000% | GPT-5.5 Pro |
| FrontierMath v2 (Tier 4) | 0.000% | 39.600% | GPT-5.5 Pro |
| FrontierMath (legacy) | Coming soon | 52.4% | Coming soon |

## FAQ

### Which is better overall, GLM-4.7 or GPT-5.5 Pro?

GPT-5.5 Pro is ahead overall on BenchLM right now.

### Where is the biggest gap between GLM-4.7 and GPT-5.5 Pro?

The widest category gap is in mathematics, where the averages are 26 for GLM-4.7 and 70.2 for GPT-5.5 Pro.

### How many benchmarks does GLM-4.7 cover on BenchLM?

GLM-4.7 currently has 13 sourced benchmark scores on BenchLM.

### How many benchmarks does GPT-5.5 Pro cover on BenchLM?

GPT-5.5 Pro currently has 6 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GLM-4.7 vs GPT-5.5](/compare/glm-4-7-vs-gpt-5-5)
- [GPT-5.5 Pro vs GPT-5.5](/compare/gpt-5-5-vs-gpt-5-5-pro)
- [GLM-4.7 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-glm-4-7)
- [GPT-5.5 Pro vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-5-5-pro)

## Explore More

- [GLM-4.7 profile](/models/glm-4-7)
- [GPT-5.5 Pro profile](/models/gpt-5-5-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)