# Claude Mythos 5.2 vs Gemini 4 Carbon

> Side-by-side benchmark comparison for Claude Mythos 5.2 and Gemini 4 Carbon across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-mythos-5-2-vs-gemini-4-carbon
- Last updated: November 10, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude Mythos 5.2 and Gemini 4 Carbon share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Gemini 4 Carbon has the lower published output-token price.

## Model Snapshot

| Property | Claude Mythos 5.2 | Gemini 4 Carbon |
|----------|----------|----------|
| Creator | Anthropic | Google |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | null | 87.91 |
| Benchmarks Covered | 14 | 17 |
| Pricing (input/output) | $8.00 / $40.00 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- Gemini 4 Carbon public-lane score: Coming soon

| Benchmark | Claude Mythos 5.2 | Gemini 4 Carbon | 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% | 53.5% | Gemini 4 Carbon |
| Binary Exploitation Benchmark | 148 | Coming soon | Coming soon |
| AutomationBench | Coming soon | 53.9% | Coming soon |
| OSWorld 2.1 Offline | Coming soon | 81.5% | Coming soon |
| CWE-bench v1 | Coming soon | 71.0% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- Gemini 4 Carbon public-lane score: 80.5 (Estimated · #4/158)

| Benchmark | Claude Mythos 5.2 | Gemini 4 Carbon | Winner |
|-----------|-----------|-----------|--------|
| FrontierSWE v2 | Coming soon | 61.2% | Coming soon |
| FrontierCode 2.0 | Coming soon | 40.0% | Coming soon |
| CursorBench 4.0 | Coming soon | 60.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- Gemini 4 Carbon public-lane score: 83.4 (Supported · #2/158)

| Benchmark | Claude Mythos 5.2 | Gemini 4 Carbon | Winner |
|-----------|-----------|-----------|--------|
| GraphWalks BFS 256K–1M | Coming soon | 96.2% | Coming soon |
| ARC-AGI-1 | Coming soon | 97.50% | Coming soon |
| ARC-AGI-2 | Coming soon | 92.1% | Coming soon |
| ARC-AGI-3 | Coming soon | 63.9% | Coming soon |
| ARC-AGI-3 Provider Adapter | Coming soon | 96.85% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- Gemini 4 Carbon public-lane score: Coming soon

| Benchmark | Claude Mythos 5.2 | Gemini 4 Carbon | Winner |
|-----------|-----------|-----------|--------|
| Biomedical image analysis | 80.7% | Coming soon | Coming soon |
| Chartography (no tools) | Coming soon | 72.5% | Coming soon |
| Blueprint-Bench 2 | Coming soon | 58.6% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- Gemini 4 Carbon public-lane score: Coming soon

| Benchmark | Claude Mythos 5.2 | Gemini 4 Carbon | 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 |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- Gemini 4 Carbon public-lane score: Coming soon

| Benchmark | Claude Mythos 5.2 | Gemini 4 Carbon | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 0.0% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude Mythos 5.2 public-lane score: Coming soon
- Gemini 4 Carbon public-lane score: 93.3 (Unranked · 2 rankable rows)

| Benchmark | Claude Mythos 5.2 | Gemini 4 Carbon | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 90.526% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 95.122% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Mythos 5.2 and Gemini 4 Carbon?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Claude Mythos 5.2 vs Claude Mythos 5](/compare/claude-mythos-5-vs-claude-mythos-5-2)
- [Gemini 4 Carbon vs Claude Mythos 5](/compare/claude-mythos-5-vs-gemini-4-carbon)
- [Claude Mythos 5.2 vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-claude-mythos-5-2)
- [Gemini 4 Carbon vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-gemini-4-carbon)

## Explore More

- [Claude Mythos 5.2 profile](/models/claude-mythos-5-2)
- [Gemini 4 Carbon profile](/models/gemini-4-carbon)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)