# Claude Opus 4.6 vs Ornith-1.5-9B

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

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

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

## Quick Verdict

Claude Opus 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 Opus 4.6 has the higher overall point estimate 64.26 to 28.63. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 58.6 for Claude Opus 4.6 and 30.6 for Ornith-1.5-9B.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 53% 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.
- Claude Opus 4.6 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Opus 4.6 | Ornith-1.5-9B |
|----------|----------|----------|
| Creator | Anthropic | Ornith AI |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 262K |
| Overall Score | 64.26 | 28.63 |
| Benchmarks Covered | 34 | 16 |
| Pricing (input/output) | $5.00 / $25.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 44.5 (Supported · #47/119)
- Ornith-1.5-9B public-lane score: 18 (Estimated · #101/119)

| Benchmark | Claude Opus 4.6 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 65.4% | Coming soon | Coming soon |
| BrowseComp | 83.7% | 56.4% | Claude Opus 4.6 |
| OSWorld-Verified | 72.7% | Coming soon | Coming soon |
| Claw-Eval | 70.4% | 66.5% | Claude Opus 4.6 |
| DeepSearchQA | 73.7% | Coming soon | Coming soon |
| CyberGym | 66.6% | Coming soon | Coming soon |
| Gert Labs | 61.85% | Coming soon | Coming soon |
| ResearchClawBench | 19.9% | Coming soon | Coming soon |
| JobBench | 36.7% | Coming soon | Coming soon |
| ApprenticeBench | 5% | 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 |

### Coding

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 49.5 (Supported · #45/144)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.8% | 70.6% | Claude Opus 4.6 |
| SWE-bench Verified* | 75.6% | Coming soon | Coming soon |
| LiveCodeBench Pro | 70.7% | Coming soon | Coming soon |
| SWE-bench Pro | 53.4% | 47.5% | Claude Opus 4.6 |
| SWE-Rebench | 65.3% | Coming soon | Coming soon |
| React Native Evals | 84.1% | Coming soon | Coming soon |
| Vibe Code Bench | 57.57% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 26.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 46.2% | Coming soon |
| SWE Multilingual | Coming soon | 54.4% | Coming soon |
| NL2Repo | Coming soon | 32.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 68.3 (Unranked · 2 rankable rows)
- Ornith-1.5-9B public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 60.6 (#29/49)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 77.3% | Coming soon | Coming soon |
| ERQA | 51.6% | Coming soon | Coming soon |
| ScreenSpot Pro | 83.1% | Coming soon | Coming soon |
| MedXpertQA (MM) | 64.8% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 58.6 (Estimated · #44/171)
- Ornith-1.5-9B public-lane score: 30.6 (Estimated · #134/171)

| Benchmark | Claude Opus 4.6 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 91.3% | 86.4% | Claude Opus 4.6 |
| GPQA-D | 89.2% | 86.4% | Claude Opus 4.6 |
| SuperGPQA | 95% | Coming soon | Coming soon |
| MMLU-Pro | 82% | Coming soon | Coming soon |
| MMLU-Pro (Arcee) | 89.1% | Coming soon | Coming soon |
| HLE | 53% | 20.2% | Claude Opus 4.6 |
| HLE w/o tools | 40% | 20.2% | Claude Opus 4.6 |
| HealthBench Hard | 14.8% | Coming soon | Coming soon |
| MedXpertQA (Text) | 52.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 51 (#79/125)
- Ornith-1.5-9B public-lane score: Coming soon

### Mathematics

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 58.5 (Unranked · 3 rankable rows)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| AIME25 (Arcee) | 99.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 40.700% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 22.900% | Coming soon | Coming soon |

## FAQ

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

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

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

The widest category gap is in knowledge, where the averages are 58.6 for Claude Opus 4.6 and 30.6 for Ornith-1.5-9B.

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

Claude Opus 4.6 currently has 34 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 Opus 4.6 vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-vs-claude-opus-4-6-thinking)
- [Ornith-1.5-9B vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-thinking-vs-ornith-1-5-9b)
- [Claude Opus 4.6 vs Ornith-1.5-397B](/compare/claude-opus-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)

## Explore More

- [Claude Opus 4.6 profile](/models/claude-opus-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)