# Claude Mythos 5 vs Inkling 2 Small

> Side-by-side benchmark comparison for Claude Mythos 5 and Inkling 2 Small across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-mythos-5-vs-inkling-2-small
- Last updated: November 6, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Claude Mythos 5 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Claude Mythos 5 has the higher overall point estimate 85 to 59.06. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in multimodal & grounded, where the averages are 90.8 for Claude Mythos 5 and 86.6 for Inkling 2 Small.
- The biggest single benchmark swing is SWE-bench Verified in Coding, with scores of 95.5% and 82.2%.
- Inkling 2 Small 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 2 Small |
|----------|----------|----------|
| Creator | Anthropic | Thinking Machines Lab |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Hybrid |
| Context | 1M+ | 1M |
| Overall Score | null | 59.06 |
| Benchmarks Covered | 15 | 25 |
| Pricing (input/output) | $10.00 / $50.00 | $0.30 / $1.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling 2 Small public-lane score: 59.9 (Supported · #26/131)

| Benchmark | Claude Mythos 5 | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.0% | 85.1% | Claude Mythos 5 |
| OSWorld-Verified | 85% | Coming soon | Coming soon |
| BrowseComp | 88% | 90.2% | Inkling 2 Small |
| CyberGym | 83.8% | Coming soon | Coming soon |
| DeepSearchQA | Coming soon | 90.9% | Coming soon |
| MCP Atlas | Coming soon | 85% | Coming soon |
| JobBench | Coming soon | 70.5% | Coming soon |

### Coding

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling 2 Small public-lane score: 59.7 (Supported · #20/157)

| Benchmark | Claude Mythos 5 | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95.5% | 82.2% | Claude Mythos 5 |
| SWE-bench Pro | 80.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 88.0% | 85.1% | Claude Mythos 5 |
| SWE Multilingual | Coming soon | 81.2% | Coming soon |
| sweMarathon | Coming soon | 38.8% | Coming soon |
| DeepSWE | Coming soon | 72.1% | Coming soon |
| PostTrainBench v1.2 | Coming soon | 31.9% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling 2 Small public-lane score: 86.1 (Unranked · 2 rankable rows)

| Benchmark | Claude Mythos 5 | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 70.6% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Mythos 5 public-lane score: 90.8 (Unranked · 3 rankable rows)
- Inkling 2 Small public-lane score: 86.6 (#12/59)

| Benchmark | Claude Mythos 5 | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Multimodal | 54.9% | Coming soon | Coming soon |
| CharXiv | 93.5% | 87.7% | Claude Mythos 5 |
| CharXiv w/o tools | 88.9% | 85.6% | Claude Mythos 5 |
| Chartography (no tools) | Coming soon | 36.7% | Coming soon |
| Chartography (tools) | Coming soon | 80.4% | Coming soon |
| BabyVision | Coming soon | 68.6% | Coming soon |
| BabyVision w/ Python | Coming soon | 93.7% | Coming soon |
| ScreenSpot Pro | Coming soon | 83.8% | Coming soon |
| PerceptionBench | Coming soon | 64.7% | Coming soon |
| MathVision | Coming soon | 92.8% | Coming soon |

### Knowledge

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling 2 Small public-lane score: 60.4 (Estimated · #46/178)

| Benchmark | Claude Mythos 5 | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.1% | 93% | Claude Mythos 5 |
| HLE | 64.5% | Coming soon | Coming soon |
| HLE w/o tools | 59% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 93.0% | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling 2 Small public-lane score: Coming soon

| Benchmark | Claude Mythos 5 | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| SWE Multilingual | 92.2% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Inkling 2 Small public-lane score: 85.9 (Unranked · 2 rankable rows)

| Benchmark | Claude Mythos 5 | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 97.6% | Coming soon | Coming soon |
| HMMT Feb 2026 | Coming soon | 95.8% | Coming soon |
| Apex | Coming soon | 63.5% | Coming soon |

## FAQ

### Which is better overall, Claude Mythos 5 or Inkling 2 Small?

Claude Mythos 5 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Mythos 5 and Inkling 2 Small?

The widest category gap is in multimodal & grounded, where the averages are 90.8 for Claude Mythos 5 and 86.6 for Inkling 2 Small.

### 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 2 Small cover on BenchLM?

Inkling 2 Small 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)
- [Inkling 2 Small vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-inkling-2-small)
- [Claude Mythos 5 vs Claude Mythos Preview](/compare/claude-mythos-5-vs-claude-mythos-preview)
- [Inkling 2 Small vs Claude Mythos Preview](/compare/claude-mythos-preview-vs-inkling-2-small)

## Explore More

- [Claude Mythos 5 profile](/models/claude-mythos-5)
- [Inkling 2 Small profile](/models/inkling-2-small)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)