# GPT-6.1 Sol vs Ornith-1.5-35B-A3B

> Side-by-side benchmark comparison for GPT-6.1 Sol and Ornith-1.5-35B-A3B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-6-1-sol-vs-ornith-1-5-35b-a3b
- Last updated: September 29, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-6.1 Sol and Ornith-1.5-35B-A3B share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Ornith-1.5-35B-A3B has the lower published output-token price.
- GPT-6.1 Sol has the larger published context window at 1.05M.

## Model Snapshot

| Property | GPT-6.1 Sol | Ornith-1.5-35B-A3B |
|----------|----------|----------|
| Creator | OpenAI | Ornith AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1.05M | 262K |
| Independent public score (not head-to-head) | 66.86 | 31.85 |
| Benchmarks Covered | 9 | 18 |
| Pricing (input/output) | $2.00 / $10.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-6.1 Sol public-lane score: Coming soon
- Ornith-1.5-35B-A3B public-lane score: 23.8 (Estimated · #93/117)

| Benchmark | GPT-6.1 Sol | Ornith-1.5-35B-A3B | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 36.1% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 57.0% | Coming soon | Coming soon |
| ExploitGym | 35.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 67.8% | Coming soon |
| HLE w/ tools | Coming soon | 33.4% | Coming soon |
| MCP Atlas | Coming soon | 70.2% | Coming soon |
| Toolathlon-Verified | Coming soon | 48.7% | Coming soon |
| WideResearch | Coming soon | 67.8% | Coming soon |
| BrowseComp | Coming soon | 67.6% | Coming soon |
| Claw-Eval | Coming soon | 72.5% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-6.1 Sol public-lane score: 67 (Supported · #8/143)
- Ornith-1.5-35B-A3B public-lane score: 23.6 (Estimated · #111/143)

| Benchmark | GPT-6.1 Sol | Ornith-1.5-35B-A3B | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 71.9% | 22.0% | GPT-6.1 Sol |
| Terminal-Bench 2.1 | Coming soon | 67.8% | Coming soon |
| SWE-bench Verified | Coming soon | 79% | Coming soon |
| SWE-bench Pro | Coming soon | 59.6% | Coming soon |
| SWE Multilingual | Coming soon | 71.4% | Coming soon |
| frontierBench | Coming soon | 5.1% | Coming soon |
| NL2Repo | Coming soon | 46.2% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-6.1 Sol public-lane score: 79.4 (Unranked · 2 rankable rows)
- Ornith-1.5-35B-A3B public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-6.1 Sol public-lane score: 83.9 (Unranked · 1 rankable row)
- Ornith-1.5-35B-A3B public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- GPT-6.1 Sol public-lane score: 71.3 (Estimated · #10/169)
- Ornith-1.5-35B-A3B public-lane score: 33.7 (Estimated · #120/169)

| Benchmark | GPT-6.1 Sol | Ornith-1.5-35B-A3B | Winner |
|-----------|-----------|-----------|--------|
| HealthBench (raw) | 56.7% | Coming soon | Coming soon |
| HealthBench (length-adjusted) | 58.5% | Coming soon | Coming soon |
| HealthBench Professional | 64.2% | Coming soon | Coming soon |
| HealthBench Professional (raw) | 67.2% | Coming soon | Coming soon |
| HealthBench Hard | 36.2% | Coming soon | Coming soon |
| GPQA | Coming soon | 89.2% | Coming soon |
| GPQA-D | Coming soon | 89.2% | Coming soon |
| HLE | Coming soon | 25.6% | Coming soon |
| HLE w/o tools | Coming soon | 25.6% | Coming soon |

## FAQ

### Is there enough evidence to pick between GPT-6.1 Sol and Ornith-1.5-35B-A3B?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [GPT-6.1 Sol vs GPT-6 Astra](/compare/gpt-6-1-sol-vs-gpt-6-astra)
- [Ornith-1.5-35B-A3B vs GPT-6 Astra](/compare/gpt-6-astra-vs-ornith-1-5-35b-a3b)
- [GPT-6.1 Sol vs GPT-6 Sol](/compare/gpt-6-1-sol-vs-gpt-6-sol)
- [Ornith-1.5-35B-A3B vs GPT-6 Sol](/compare/gpt-6-sol-vs-ornith-1-5-35b-a3b)

## Explore More

- [GPT-6.1 Sol profile](/models/gpt-6-1-sol)
- [Ornith-1.5-35B-A3B profile](/models/ornith-1-5-35b-a3b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)