# Ornith-1.5-35B-A3B vs Ornith-1.5-397B

> Side-by-side benchmark comparison for Ornith-1.5-35B-A3B and Ornith-1.5-397B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/ornith-1-5-35b-a3b-vs-ornith-1-5-397b
- Last updated: October 2, 2026

- Shared sourced benchmarks: 18
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Ornith-1.5-397B leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Ornith-1.5-397B has the higher overall point estimate 62.72 to 32.61. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 23.5 for Ornith-1.5-35B-A3B and 56.8 for Ornith-1.5-397B.
- The biggest single benchmark swing is DeepSWE in Coding, with scores of 22.0% and 56.0%.

## Model Snapshot

| Property | Ornith-1.5-35B-A3B | Ornith-1.5-397B |
|----------|----------|----------|
| Creator | Ornith AI | Ornith AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | 262K |
| Overall Score | 32.61 | 62.72 |
| Benchmarks Covered | 18 | 18 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Ornith-1.5-35B-A3B public-lane score: 23.5 (Estimated · #95/119)
- Ornith-1.5-397B public-lane score: 56.8 (Estimated · #29/119)

| Benchmark | Ornith-1.5-35B-A3B | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 67.8% | 86.1% | Ornith-1.5-397B |
| HLE w/ tools | 33.4% | 56.1% | Ornith-1.5-397B |
| MCP Atlas | 70.2% | 80% | Ornith-1.5-397B |
| Toolathlon-Verified | 48.7% | 71.2% | Ornith-1.5-397B |
| WideResearch | 67.8% | 80.8% | Ornith-1.5-397B |
| BrowseComp | 67.6% | 86.6% | Ornith-1.5-397B |
| Claw-Eval | 72.5% | 81.4% | Ornith-1.5-397B |

### Coding

- Winner: Directional only
- Ornith-1.5-35B-A3B public-lane score: 24 (Estimated · #110/144)
- Ornith-1.5-397B public-lane score: 54.7 (Estimated · #34/144)

| Benchmark | Ornith-1.5-35B-A3B | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 67.8% | 86.1% | Ornith-1.5-397B |
| SWE-bench Verified | 79% | 86% | Ornith-1.5-397B |
| SWE-bench Pro | 59.6% | 65.1% | Ornith-1.5-397B |
| SWE Multilingual | 71.4% | 79.6% | Ornith-1.5-397B |
| DeepSWE | 22.0% | 56.0% | Ornith-1.5-397B |
| frontierBench | 5.1% | 13.5% | Ornith-1.5-397B |
| NL2Repo | 46.2% | 59.5% | Ornith-1.5-397B |

### Knowledge

- Winner: Directional only
- Ornith-1.5-35B-A3B public-lane score: 34.5 (Estimated · #119/171)
- Ornith-1.5-397B public-lane score: 63.3 (Estimated · #36/171)

| Benchmark | Ornith-1.5-35B-A3B | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 89.2% | 92.8% | Ornith-1.5-397B |
| GPQA-D | 89.2% | 92.8% | Ornith-1.5-397B |
| HLE | 25.6% | 44.6% | Ornith-1.5-397B |
| HLE w/o tools | 25.6% | 44.6% | Ornith-1.5-397B |

## FAQ

### Which is better overall, Ornith-1.5-35B-A3B or Ornith-1.5-397B?

Ornith-1.5-397B has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Ornith-1.5-35B-A3B and Ornith-1.5-397B?

The widest category gap is in agentic, where the averages are 23.5 for Ornith-1.5-35B-A3B and 56.8 for Ornith-1.5-397B.

### How many benchmarks does Ornith-1.5-35B-A3B cover on BenchLM?

Ornith-1.5-35B-A3B currently has 18 sourced benchmark scores on BenchLM.

### How many benchmarks does Ornith-1.5-397B cover on BenchLM?

Ornith-1.5-397B currently has 18 sourced benchmark scores on BenchLM.

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## Explore More

- [Ornith-1.5-35B-A3B profile](/models/ornith-1-5-35b-a3b)
- [Ornith-1.5-397B profile](/models/ornith-1-5-397b)
- [Compare Pricing](/llm-pricing)
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- [Overall Rankings](/best/overall)