# Claude Opus 4.5 vs GLM-5.2

> Side-by-side benchmark comparison for Claude Opus 4.5 and GLM-5.2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-5-vs-glm-5-2
- Last updated: September 14, 2026

- Shared sourced benchmarks: 11
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick GLM-5.2 if you want the stronger benchmark profile. Claude Opus 4.5 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GLM-5.2 leads overall 68.19 to 58.47.
- The clearest category separation is in instruction following, where the averages are 39.5 for Claude Opus 4.5 and 89.8 for GLM-5.2.
- The biggest single benchmark swing is MCP Atlas in Agentic, with scores of 42.3% and 76.8%.
- GLM-5.2 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GLM-5.2 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Opus 4.5 | GLM-5.2 |
|----------|----------|----------|
| Creator | Anthropic | Z.AI |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 1M |
| Overall Score | 58.47 | 68.19 |
| Benchmarks Covered | 45 | 25 |
| Pricing (input/output) | $5.00 / $25.00 | $1.40 / $4.40 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 43.2 (Estimated · #99/153)
- GLM-5.2 public-lane score: 58.5 (Supported · #29/153)

| Benchmark | Claude Opus 4.5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59.3% | 81% | GLM-5.2 |
| OSWorld-Verified | 66.3% | Coming soon | Coming soon |
| OSWorld | 66.3% | Coming soon | Coming soon |
| Claw-Eval | 59.6% | Coming soon | Coming soon |
| QwenClawBench | 52.3% | Coming soon | Coming soon |
| τ³-bench results | 70.2% | Coming soon | Coming soon |
| VITA-Bench | 23.3% | Coming soon | Coming soon |
| DeepPlanning | 26.4% | Coming soon | Coming soon |
| Toolathlon | 43.5% | 48.2% | GLM-5.2 |
| MCP Atlas | 42.3% | 76.8% | GLM-5.2 |
| MCP-Tasks | 71.8% | Coming soon | Coming soon |
| WideResearch | 76.4% | Coming soon | Coming soon |
| CyberGym | 50.6% | Coming soon | Coming soon |
| Gert Labs | 64.23% | Coming soon | Coming soon |
| JobBench | 32.3% | Coming soon | Coming soon |
| Terminal-Bench 3.0 | Coming soon | 4.6% | Coming soon |
| ResearchClawBench | Coming soon | 20.7% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 67.8% | Coming soon |

### Coding

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 56.7 (Estimated · #36/152)
- GLM-5.2 public-lane score: 61 (Supported · #19/152)

| Benchmark | Claude Opus 4.5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.9% | Coming soon | Coming soon |
| LiveCodeBench v6 | 84.8% | Coming soon | Coming soon |
| SWE-bench Pro | 57.1% | 62.1% | GLM-5.2 |
| SWE Multilingual | 77.5% | Coming soon | Coming soon |
| NL2Repo | 43.2% | 48.9% | GLM-5.2 |
| Terminal-Bench 2.0 | Coming soon | 81.0% | Coming soon |
| ProgramBench | Coming soon | 63.7% | Coming soon |
| cursorBench32 | Coming soon | 55.0% | Coming soon |
| OpenHarmony Bench | Coming soon | 58.4% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 69.5% | Coming soon |
| SWE-bench (Vals) | Coming soon | 82.8% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 23.5 (#46/48)
- GLM-5.2 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 70.6% | Coming soon | Coming soon |
| MathVision | 74.3% | Coming soon | Coming soon |
| CharXiv | 68.5% | Coming soon | Coming soon |
| VideoMMMU | 84.4% | Coming soon | Coming soon |
| ScreenSpot Pro | 45.7% | Coming soon | Coming soon |
| V* | 67.0% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 72.1 (Unranked · 4 rankable rows)
- GLM-5.2 public-lane score: 74.8 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 64.4% | Coming soon | Coming soon |
| AI-Needle | 74% | Coming soon | Coming soon |
| CritPt | Coming soon | 20.9% | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 54 (Estimated · #60/183)
- GLM-5.2 public-lane score: 60.7 (Supported · #35/183)

| Benchmark | Claude Opus 4.5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | 91.2% | GLM-5.2 |
| SuperGPQA | 70.6% | Coming soon | Coming soon |
| MMLU-Pro | 89.5% | Coming soon | Coming soon |
| MMLU-Redux | 96.6% | Coming soon | Coming soon |
| C-Eval | 92.2% | Coming soon | Coming soon |
| HLE | 30.8% | 54.7% | GLM-5.2 |
| GPQA-D | Coming soon | 91.2% | Coming soon |
| HLE w/o tools | Coming soon | 40.5% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 85.6% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 86.7% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 39.5 (#105/123)
- GLM-5.2 public-lane score: 89.8 (#22/123)

| Benchmark | Claude Opus 4.5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 90.9% | Coming soon | Coming soon |
| IFBench | 58% | Coming soon | Coming soon |

### Multilingual

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 82.9 (#2/12)
- GLM-5.2 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 85.7% | Coming soon | Coming soon |
| NOVA-63 | 56.7% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Opus 4.5 public-lane score: 58.3 (#6/7)
- GLM-5.2 public-lane score: 80.7 (Unranked · 4 rankable rows)

| Benchmark | Claude Opus 4.5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.1% | 99.2% | GLM-5.2 |
| HMMT Feb 2025 | 92.9% | Coming soon | Coming soon |
| HMMT Nov 2025 | 93.3% | 94.4% | GLM-5.2 |
| HMMT Feb 2026 | 85.3% | 92.5% | GLM-5.2 |
| MMAnswerBench | 84.0% | 91.0% | GLM-5.2 |
| FrontierMath v2 (Tiers 1-3) | 20.690% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.167% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.5 or GLM-5.2?

GLM-5.2 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.5 and GLM-5.2?

The widest category gap is in instruction following, where the averages are 39.5 for Claude Opus 4.5 and 89.8 for GLM-5.2.

### How many benchmarks does Claude Opus 4.5 cover on BenchLM?

Claude Opus 4.5 currently has 45 sourced benchmark scores on BenchLM.

### How many benchmarks does GLM-5.2 cover on BenchLM?

GLM-5.2 currently has 25 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.5 vs Claude Opus 4.5 Thinking](/compare/claude-opus-4-5-vs-claude-opus-4-5-thinking)
- [GLM-5.2 vs Claude Opus 4.5 Thinking](/compare/claude-opus-4-5-thinking-vs-glm-5-2)
- [Claude Opus 4.5 vs GLM-5.3](/compare/claude-opus-4-5-vs-glm-5-3)
- [GLM-5.2 vs GLM-5.3](/compare/glm-5-2-vs-glm-5-3)

## Explore More

- [Claude Opus 4.5 profile](/models/claude-opus-4-5)
- [GLM-5.2 profile](/models/glm-5-2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)