# Claude Mythos 5 vs Inkling

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

- Canonical page: https://benchlm.ai/compare/claude-mythos-5-vs-inkling
- Last updated: October 14, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Claude Mythos 5 if you want the stronger benchmark profile. Inkling 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 52.13.
- The clearest category separation is in multimodal & grounded, where the averages are 89.7 for Claude Mythos 5 and 67.5 for Inkling.
- The biggest single benchmark swing is HLE w/o tools in Knowledge, with scores of 59% and 30%.
- Inkling is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Mythos 5 | Inkling |
|----------|----------|----------|
| Creator | Anthropic | Thinking Machines Lab |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Hybrid |
| Context | 1M+ | 1M |
| Overall Score | null | 52.13 |
| Benchmarks Covered | 15 | 24 |
| Pricing (input/output) | $10.00 / $50.00 | $1.87 / $4.68 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling public-lane score: 36.2 (Supported · #72/124)

| Benchmark | Claude Mythos 5 | Inkling | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.0% | 63.8% | Claude Mythos 5 |
| OSWorld-Verified | 85% | Coming soon | Coming soon |
| BrowseComp | 88% | 77.1% | Claude Mythos 5 |
| CyberGym | 83.8% | Coming soon | Coming soon |
| MCP Atlas | Coming soon | 74.1% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 47.6% | Coming soon |
| CWE-bench v1 | Coming soon | 37.0% | Coming soon |

### Coding

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling public-lane score: 34 (Supported · #80/149)

| Benchmark | Claude Mythos 5 | Inkling | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95.5% | 77.6% | Claude Mythos 5 |
| SWE-bench Pro | 80.3% | 54.3% | Claude Mythos 5 |
| Terminal-Bench 2.1 | 88.0% | 63.8% | Claude Mythos 5 |
| FrontierSWE v2 | Coming soon | 4.1% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 85.5% | Coming soon |
| SWE-bench (Vals) | Coming soon | 77.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling public-lane score: 79 (#14/29)

### Multimodal & Grounded

- Winner: Not comparable
- Claude Mythos 5 public-lane score: 89.7 (Unranked · 3 rankable rows)
- Inkling public-lane score: 67.5 (#35/54)

| Benchmark | Claude Mythos 5 | Inkling | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Multimodal | 54.9% | Coming soon | Coming soon |
| CharXiv | 93.5% | 82% | Claude Mythos 5 |
| CharXiv w/o tools | 88.9% | 78.1% | Claude Mythos 5 |
| MMMU-Pro | Coming soon | 73.5% | Coming soon |

### Knowledge

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling public-lane score: 54.5 (Supported · #62/181)

| Benchmark | Claude Mythos 5 | Inkling | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.1% | 87.9% | Claude Mythos 5 |
| HLE | 64.5% | 46% | Claude Mythos 5 |
| HLE w/o tools | 59% | 30% | Claude Mythos 5 |
| GPQA-D | Coming soon | 87.9% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 87.1% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 86.3% | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling public-lane score: Coming soon

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

### Instruction Following

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling public-lane score: 87.6 (#35/128)

| Benchmark | Claude Mythos 5 | Inkling | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 79.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling public-lane score: 58.3 (#11/12)

| Benchmark | Claude Mythos 5 | Inkling | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 97.6% | Coming soon | Coming soon |
| AIME26 | Coming soon | 97.1% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 33.333% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 4.878% | Coming soon |

## FAQ

### Which is better overall, Claude Mythos 5 or Inkling?

Claude Mythos 5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Mythos 5 and Inkling?

The widest category gap is in multimodal & grounded, where the averages are 89.7 for Claude Mythos 5 and 67.5 for Inkling.

### 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 Inkling cover on BenchLM?

Inkling currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Mythos 5 vs Claude Mythos 5.1](/compare/claude-mythos-5-vs-claude-mythos-5-1)
- [Inkling vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-inkling)
- [Claude Mythos 5 vs Claude Mythos Preview](/compare/claude-mythos-5-vs-claude-mythos-preview)
- [Inkling vs Claude Mythos Preview](/compare/claude-mythos-preview-vs-inkling)

## Explore More

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