# Claude Sonnet 4.6 vs Ornith-1.5-9B

> Side-by-side benchmark comparison for Claude Sonnet 4.6 and Ornith-1.5-9B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-4-6-vs-ornith-1-5-9b
- Last updated: October 2, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Claude Sonnet 4.6 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Claude Sonnet 4.6 has the higher overall point estimate 56.88 to 28.63. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 43.4 for Claude Sonnet 4.6 and 18 for Ornith-1.5-9B.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 49% and 20.2%.
- Ornith-1.5-9B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Ornith-1.5-9B also has the larger context window at 262K.

## Model Snapshot

| Property | Claude Sonnet 4.6 | Ornith-1.5-9B |
|----------|----------|----------|
| Creator | Anthropic | Ornith AI |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 262K |
| Overall Score | 56.88 | 28.63 |
| Benchmarks Covered | 26 | 16 |
| Pricing (input/output) | $3.00 / $15.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Sonnet 4.6 public-lane score: 43.4 (Supported · #53/119)
- Ornith-1.5-9B public-lane score: 18 (Estimated · #101/119)

| Benchmark | Claude Sonnet 4.6 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59.1% | Coming soon | Coming soon |
| OSWorld-Verified | 72.1% | Coming soon | Coming soon |
| Claw-Eval | 67.8% | 66.5% | Claude Sonnet 4.6 |
| CyberGym | 65.2% | Coming soon | Coming soon |
| Gert Labs | 62.92% | Coming soon | Coming soon |
| OSWorld 2.0 | 8.3% | Coming soon | Coming soon |
| JobBench | 36.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 57.3% | Coming soon | Coming soon |
| ApprenticeBench | 2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 46.2% | Coming soon |
| HLE w/ tools | Coming soon | 30.5% | Coming soon |
| MCP Atlas | Coming soon | 54.2% | Coming soon |
| Toolathlon-Verified | Coming soon | 41.2% | Coming soon |
| WideResearch | Coming soon | 59.5% | Coming soon |
| BrowseComp | Coming soon | 56.4% | Coming soon |

### Coding

- Winner: Not comparable
- Claude Sonnet 4.6 public-lane score: 47.1 (Supported · #48/144)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.6 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 79.6% | 70.6% | Claude Sonnet 4.6 |
| SWE-Rebench | 60.7% | Coming soon | Coming soon |
| React Native Evals | 80.6% | Coming soon | Coming soon |
| Vibe Code Bench | 51.48% | Coming soon | Coming soon |
| cursorBench31 | 48.8% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 24.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 82.1% | Coming soon | Coming soon |
| SWE-bench (Vals) | 77.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 46.2% | Coming soon |
| SWE-bench Pro | Coming soon | 47.5% | Coming soon |
| SWE Multilingual | Coming soon | 54.4% | Coming soon |
| NL2Repo | Coming soon | 32.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Sonnet 4.6 public-lane score: 69.2 (Unranked · 2 rankable rows)
- Ornith-1.5-9B public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Not comparable
- Claude Sonnet 4.6 public-lane score: 55.1 (#34/49)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.6 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 77.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Sonnet 4.6 public-lane score: 53.5 (Supported · #57/171)
- Ornith-1.5-9B public-lane score: 30.6 (Estimated · #134/171)

| Benchmark | Claude Sonnet 4.6 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 89.9% | 86.4% | Claude Sonnet 4.6 |
| SuperGPQA | 95% | Coming soon | Coming soon |
| MMLU-Pro | 79.2% | Coming soon | Coming soon |
| HLE | 49% | 20.2% | Claude Sonnet 4.6 |
| GPQA Diamond (Vals) | 85.6% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 87.3% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 86.4% | Coming soon |
| HLE w/o tools | Coming soon | 20.2% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Sonnet 4.6 public-lane score: 46.6 (#87/125)
- Ornith-1.5-9B public-lane score: Coming soon

### Mathematics

- Winner: Not comparable
- Claude Sonnet 4.6 public-lane score: 48.8 (Unranked · 2 rankable rows)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.6 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 32.400% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 8.300% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude Sonnet 4.6 or Ornith-1.5-9B?

Claude Sonnet 4.6 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Sonnet 4.6 and Ornith-1.5-9B?

The widest category gap is in agentic, where the averages are 43.4 for Claude Sonnet 4.6 and 18 for Ornith-1.5-9B.

### How many benchmarks does Claude Sonnet 4.6 cover on BenchLM?

Claude Sonnet 4.6 currently has 26 sourced benchmark scores on BenchLM.

### How many benchmarks does Ornith-1.5-9B cover on BenchLM?

Ornith-1.5-9B currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Sonnet 4.6 vs Ornith-1.5-397B](/compare/claude-sonnet-4-6-vs-ornith-1-5-397b)
- [Ornith-1.5-9B vs Ornith-1.5-397B](/compare/ornith-1-5-397b-vs-ornith-1-5-9b)
- [Claude Sonnet 4.6 vs Ornith-1.5-35B-A3B](/compare/claude-sonnet-4-6-vs-ornith-1-5-35b-a3b)
- [Ornith-1.5-9B vs Ornith-1.5-35B-A3B](/compare/ornith-1-5-35b-a3b-vs-ornith-1-5-9b)

## Explore More

- [Claude Sonnet 4.6 profile](/models/claude-sonnet-4-6)
- [Ornith-1.5-9B profile](/models/ornith-1-5-9b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)