# Claude Mythos 5 vs GLM-5.2

> Side-by-side benchmark comparison for Claude Mythos 5 and GLM-5.2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

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

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Claude Mythos 5 if you want the stronger benchmark profile. GLM-5.2 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Mythos 5 leads overall 85 to 68.19.
- The biggest single benchmark swing is HLE w/o tools in Knowledge, with scores of 59% and 40.5%.
- GLM-5.2 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Mythos 5 | GLM-5.2 |
|----------|----------|----------|
| Creator | Anthropic | Z.AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M+ | 1M |
| Overall Score | null | 68.19 |
| Benchmarks Covered | 15 | 25 |
| Pricing (input/output) | $10.00 / $50.00 | $1.40 / $4.40 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5.2 public-lane score: 58.5 (Supported · #29/153)

| Benchmark | Claude Mythos 5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 88% | 81% | Claude Mythos 5 |
| OSWorld-Verified | 85% | Coming soon | Coming soon |
| BrowseComp | 88% | Coming soon | Coming soon |
| CyberGym | 83.8% | Coming soon | Coming soon |
| Terminal-Bench 3.0 | Coming soon | 4.6% | Coming soon |
| MCP Atlas | Coming soon | 76.8% | Coming soon |
| Toolathlon | Coming soon | 48.2% | 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 Mythos 5 public-lane score: Coming soon
- GLM-5.2 public-lane score: 61 (Supported · #19/152)

| Benchmark | Claude Mythos 5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95.5% | Coming soon | Coming soon |
| SWE-bench Pro | 80.3% | 62.1% | Claude Mythos 5 |
| Terminal-Bench 2.0 | 88.0% | 81.0% | Claude Mythos 5 |
| NL2Repo | Coming soon | 48.9% | 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 Mythos 5 public-lane score: 85.1 (Unranked · 3 rankable rows)
- GLM-5.2 public-lane score: Coming soon

| Benchmark | Claude Mythos 5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Multimodal | 54.9% | Coming soon | Coming soon |
| CharXiv | 93.5% | Coming soon | Coming soon |
| CharXiv w/o tools | 88.9% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5.2 public-lane score: 74.8 (Unranked · 2 rankable rows)

| Benchmark | Claude Mythos 5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 20.9% | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5.2 public-lane score: 60.7 (Supported · #35/183)

| Benchmark | Claude Mythos 5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.1% | 91.2% | Claude Mythos 5 |
| HLE | 64.5% | 54.7% | Claude Mythos 5 |
| HLE w/o tools | 59% | 40.5% | Claude Mythos 5 |
| GPQA-D | Coming soon | 91.2% | 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 Mythos 5 public-lane score: Coming soon
- GLM-5.2 public-lane score: 89.8 (#22/123)

### Multilingual

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5.2 public-lane score: Coming soon

| Benchmark | Claude Mythos 5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| SWE Multilingual | 92.2% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5.2 public-lane score: 80.7 (Unranked · 4 rankable rows)

| Benchmark | Claude Mythos 5 | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 97.6% | Coming soon | Coming soon |
| AIME26 | Coming soon | 99.2% | Coming soon |
| HMMT Nov 2025 | Coming soon | 94.4% | Coming soon |
| HMMT Feb 2026 | Coming soon | 92.5% | Coming soon |
| MMAnswerBench | Coming soon | 91.0% | Coming soon |

## FAQ

### Which is better overall, Claude Mythos 5 or GLM-5.2?

Claude Mythos 5 is ahead overall on BenchLM right now.

### How many benchmarks does Claude Mythos 5 cover on BenchLM?

Claude Mythos 5 currently has 15 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 Mythos 5 vs Claude Mythos 5.1](/compare/claude-mythos-5-vs-claude-mythos-5-1)
- [GLM-5.2 vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-glm-5-2)
- [Claude Mythos 5 vs Claude Mythos Preview](/compare/claude-mythos-5-vs-claude-mythos-preview)
- [GLM-5.2 vs Claude Mythos Preview](/compare/claude-mythos-preview-vs-glm-5-2)

## Explore More

- [Claude Mythos 5 profile](/models/claude-mythos-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)