# Claude Mythos 5 vs GLM-5

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

- Canonical page: https://benchlm.ai/compare/claude-mythos-5-vs-glm-5
- Last updated: September 4, 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 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 62.16.
- The biggest single benchmark swing is CyberGym in Agentic, with scores of 83.8% and 43.2%.
- GLM-5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Claude Mythos 5 also has the larger context window at 1M+.

## Model Snapshot

| Property | Claude Mythos 5 | GLM-5 |
|----------|----------|----------|
| Creator | Anthropic | Z.AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1M+ | 200K |
| Overall Score | null | 62.16 |
| Benchmarks Covered | 15 | 36 |
| Pricing (input/output) | $10.00 / $50.00 | $1.00 / $3.20 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5 public-lane score: 50 (Estimated · #65/151)

| Benchmark | Claude Mythos 5 | GLM-5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 88% | 56.2% | Claude Mythos 5 |
| OSWorld-Verified | 85% | Coming soon | Coming soon |
| BrowseComp | 88% | Coming soon | Coming soon |
| CyberGym | 83.8% | 43.2% | Claude Mythos 5 |
| Claw-Eval | Coming soon | 57.7% | Coming soon |
| QwenClawBench | Coming soon | 54.1% | Coming soon |
| τ³-bench results | Coming soon | 65.6% | Coming soon |
| DeepPlanning | Coming soon | 14.6% | Coming soon |
| Toolathlon | Coming soon | 38% | Coming soon |
| MCP Atlas | Coming soon | 31.1% | Coming soon |
| MCP-Tasks | Coming soon | 60.8% | Coming soon |
| WideResearch | Coming soon | 69.8% | Coming soon |
| Gert Labs | Coming soon | 50.99% | Coming soon |

### Coding

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5 public-lane score: 49.1 (Supported · #80/183)

| Benchmark | Claude Mythos 5 | GLM-5 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95.5% | 77.8% | Claude Mythos 5 |
| SWE-bench Pro | 80.3% | 55.1% | Claude Mythos 5 |
| Terminal-Bench 2.0 | 88.0% | Coming soon | Coming soon |
| SWE-bench Verified* | Coming soon | 72.8% | Coming soon |
| SWE Multilingual | Coming soon | 73.3% | Coming soon |
| SWE-Rebench | Coming soon | 62.8% | Coming soon |
| React Native Evals | Coming soon | 74.8% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Claude Mythos 5 public-lane score: 85.1 (Unranked · 3 rankable rows)
- GLM-5 public-lane score: Coming soon

| Benchmark | Claude Mythos 5 | GLM-5 | 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 public-lane score: 51.6 (Unranked · 4 rankable rows)

| Benchmark | Claude Mythos 5 | GLM-5 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 60.8% | Coming soon |
| AI-Needle | Coming soon | 63.3% | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5 public-lane score: 54.9 (Estimated · #62/181)

| Benchmark | Claude Mythos 5 | GLM-5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.1% | 86% | Claude Mythos 5 |
| HLE | 64.5% | 50.4% | Claude Mythos 5 |
| HLE w/o tools | 59% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 86.0% | Coming soon |
| SuperGPQA | Coming soon | 66.8% | Coming soon |
| MMLU-Pro | Coming soon | 85.7% | Coming soon |
| MMLU-Pro (Arcee) | Coming soon | 85.8% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5 public-lane score: 88.3 (#31/120)

| Benchmark | Claude Mythos 5 | GLM-5 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 92.6% | Coming soon |

### Multilingual

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5 public-lane score: 48.7 (#6/12)

| Benchmark | Claude Mythos 5 | GLM-5 | Winner |
|-----------|-----------|-----------|--------|
| SWE Multilingual | 92.2% | Coming soon | Coming soon |
| MMLU-ProX | Coming soon | 83.1% | Coming soon |
| NOVA-63 | Coming soon | 55.1% | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Mythos 5 public-lane score: Coming soon
- GLM-5 public-lane score: 56.9 (#7/7)

| Benchmark | Claude Mythos 5 | GLM-5 | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 97.6% | Coming soon | Coming soon |
| AIME26 | Coming soon | 95.8% | Coming soon |
| AIME25 (Arcee) | Coming soon | 93.3% | Coming soon |
| HMMT Feb 2025 | Coming soon | 97.5% | Coming soon |
| HMMT Nov 2025 | Coming soon | 96.9% | Coming soon |
| HMMT Feb 2026 | Coming soon | 86.4% | Coming soon |
| MMAnswerBench | Coming soon | 82.5% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 16.434% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 2.100% | Coming soon |

## FAQ

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

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 cover on BenchLM?

GLM-5 currently has 36 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 vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-glm-5)
- [Claude Mythos 5 vs Claude Mythos Preview](/compare/claude-mythos-5-vs-claude-mythos-preview)
- [GLM-5 vs Claude Mythos Preview](/compare/claude-mythos-preview-vs-glm-5)

## Explore More

- [Claude Mythos 5 profile](/models/claude-mythos-5)
- [GLM-5 profile](/models/glm-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)