# Claude Mythos 5.2 vs GLM-5.3-Flash

> Side-by-side benchmark comparison for Claude Mythos 5.2 and GLM-5.3-Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-mythos-5-2-vs-glm-5-3-flash
- Last updated: November 10, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Claude Mythos 5.2 and GLM-5.3-Flash.

## Summary

- Claude Mythos 5.2 and GLM-5.3-Flash do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Claude Mythos 5.2 | GLM-5.3-Flash |
|----------|----------|----------|
| Creator | Anthropic | Z.AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | null | 57.93 |
| Benchmarks Covered | 14 | 30 |
| Pricing (input/output) | $8.00 / $40.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- GLM-5.3-Flash public-lane score: 58.2 (Supported · #35/132)

| Benchmark | Claude Mythos 5.2 | GLM-5.3-Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 70.50% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 75.3% | Coming soon | Coming soon |
| CVE Rediscovery | 89.6% | Coming soon | Coming soon |
| ExploitGym | 38.1% | Coming soon | Coming soon |
| Binary Exploitation Benchmark | 148 | Coming soon | Coming soon |
| Terminal-Bench 4.1 | Coming soon | 35.50% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 84.3% | Coming soon |
| Toolathlon-Verified | Coming soon | 78.4% | Coming soon |
| AutomationBench | Coming soon | 48.8% | Coming soon |
| Agents' Last Exam | Coming soon | 26.3% | Coming soon |
| HLE w/ tools | Coming soon | 55.3% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 62.9% | Coming soon |
| Hermes Index | Coming soon | 35.0% | Coming soon |
| Hermes Bench | Coming soon | 68.9% | Coming soon |
| MazeBench | Coming soon | 0% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- GLM-5.3-Flash public-lane score: 48.5 (Supported · #51/158)

| Benchmark | Claude Mythos 5.2 | GLM-5.3-Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 84.3% | Coming soon |
| DeepSWE | Coming soon | 63.4% | Coming soon |
| NL2Repo | Coming soon | 56.3% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 80.5% | Coming soon |
| SWE-bench (Vals) | Coming soon | 92.0% | Coming soon |
| OpenHarmony Bench | Coming soon | 57.3% | Coming soon |
| FrontierSWE v2 | Coming soon | 18.1% | Coming soon |
| Bug Hunt Bench | Coming soon | 17.7 fixes | Coming soon |
| CursorBench 4.0 | Coming soon | 36.8% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- GLM-5.3-Flash public-lane score: 49.8 (Estimated · #53/158)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- GLM-5.3-Flash public-lane score: 64.4 (Estimated · #27/67)

| Benchmark | Claude Mythos 5.2 | GLM-5.3-Flash | Winner |
|-----------|-----------|-----------|--------|
| Biomedical image analysis | 80.7% | Coming soon | Coming soon |
| ExtractBench (LlamaIndex) | Coming soon | 80.75% | Coming soon |
| ParseBench | Coming soon | 70.55% | Coming soon |
| OfficeQA Pro | Coming soon | 62.4% | Coming soon |
| CharXiv | Coming soon | 89.4% | Coming soon |
| Chartography (tools) | Coming soon | 78.0% | Coming soon |
| BabyVision | Coming soon | 53.4% | Coming soon |
| MMVU | Coming soon | 80.5% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- GLM-5.3-Flash public-lane score: 60.2 (Estimated · #46/179)

| Benchmark | Claude Mythos 5.2 | GLM-5.3-Flash | Winner |
|-----------|-----------|-----------|--------|
| De novo protein-binder design | 85.1% | Coming soon | Coming soon |
| Protein Design | 64.6% | Coming soon | Coming soon |
| SingleCellBench | 65.6% | Coming soon | Coming soon |
| Protocols (troubleshooting) | 77.1% | Coming soon | Coming soon |
| Protein Domain ID | 91.8% | Coming soon | Coming soon |
| Protein Mutation Attribution | 51.5% | Coming soon | Coming soon |
| Morphology-to-molecule matching | 35.2% | Coming soon | Coming soon |
| Medicinal chemistry | 69.0% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 86.4% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 86.1% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- GLM-5.3-Flash public-lane score: 56.2 (Unranked · 2 rankable rows)

| Benchmark | Claude Mythos 5.2 | GLM-5.3-Flash | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 55.789% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 17.073% | Coming soon |

## FAQ

### Can I compare Claude Mythos 5.2 and GLM-5.3-Flash on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Claude Mythos 5.2 vs Claude Mythos 5](/compare/claude-mythos-5-vs-claude-mythos-5-2)
- [GLM-5.3-Flash vs Claude Mythos 5](/compare/claude-mythos-5-vs-glm-5-3-flash)
- [Claude Mythos 5.2 vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-claude-mythos-5-2)
- [GLM-5.3-Flash vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-glm-5-3-flash)

## Explore More

- [Claude Mythos 5.2 profile](/models/claude-mythos-5-2)
- [GLM-5.3-Flash profile](/models/glm-5-3-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)