# Ornith-1.0-397B vs Ornith-1.5-397B

> Side-by-side benchmark comparison for Ornith-1.0-397B and Ornith-1.5-397B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/ornith-1-0-397b-vs-ornith-1-5-397b
- Last updated: October 2, 2026

- Shared sourced benchmarks: 7
- 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 59. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is NL2Repo in Coding, with scores of 48.2% and 59.5%.
- Ornith-1.5-397B also has the larger context window at 262K.

## Model Snapshot

| Property | Ornith-1.0-397B | Ornith-1.5-397B |
|----------|----------|----------|
| Creator | DeepReinforce AI | Ornith AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 262K |
| Overall Score | null | 62.72 |
| Benchmarks Covered | 7 | 18 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Ornith-1.0-397B public-lane score: Coming soon
- Ornith-1.5-397B public-lane score: 56.8 (Estimated · #29/119)

| Benchmark | Ornith-1.0-397B | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 77.5% | 86.1% | Ornith-1.5-397B |
| Claw-Eval | 77.1% | 81.4% | Ornith-1.5-397B |
| HLE w/ tools | Coming soon | 56.1% | Coming soon |
| MCP Atlas | Coming soon | 80% | Coming soon |
| Toolathlon-Verified | Coming soon | 71.2% | Coming soon |
| WideResearch | Coming soon | 80.8% | Coming soon |
| BrowseComp | Coming soon | 86.6% | Coming soon |

### Coding

- Winner: Not comparable
- Ornith-1.0-397B public-lane score: Coming soon
- Ornith-1.5-397B public-lane score: 54.7 (Estimated · #34/144)

| Benchmark | Ornith-1.0-397B | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 82.4% | 86% | Ornith-1.5-397B |
| SWE-bench Pro | 62.2% | 65.1% | Ornith-1.5-397B |
| SWE Multilingual | 78.9% | 79.6% | Ornith-1.5-397B |
| NL2Repo | 48.2% | 59.5% | Ornith-1.5-397B |
| Terminal-Bench 2.1 | 77.5% | 86.1% | Ornith-1.5-397B |
| DeepSWE | Coming soon | 56.0% | Coming soon |
| frontierBench | Coming soon | 13.5% | Coming soon |

### Knowledge

- Winner: Not comparable
- Ornith-1.0-397B public-lane score: Coming soon
- Ornith-1.5-397B public-lane score: 63.3 (Estimated · #36/171)

| Benchmark | Ornith-1.0-397B | Ornith-1.5-397B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 92.8% | Coming soon |
| GPQA-D | Coming soon | 92.8% | Coming soon |
| HLE | Coming soon | 44.6% | Coming soon |
| HLE w/o tools | Coming soon | 44.6% | Coming soon |

## FAQ

### Which is better overall, Ornith-1.0-397B or Ornith-1.5-397B?

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

### How many benchmarks does Ornith-1.0-397B cover on BenchLM?

Ornith-1.0-397B currently has 7 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-1.0-397B profile](/models/ornith-1-0-397b)
- [Ornith-1.5-397B profile](/models/ornith-1-5-397b)
- [Compare Pricing](/llm-pricing)
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- [Overall Rankings](/best/overall)