# Kimi K2.5 vs Ornith-1.5-9B

> Side-by-side benchmark comparison for Kimi K2.5 and Ornith-1.5-9B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-k2-5-vs-ornith-1-5-9b
- Last updated: October 2, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Kimi K2.5 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Kimi K2.5 has the higher overall point estimate 53.67 to 28.63. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 38 for Kimi K2.5 and 18 for Ornith-1.5-9B.
- The biggest single benchmark swing is MCP Atlas in Agentic, with scores of 29.5% and 54.2%.
- 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 | Kimi K2.5 | Ornith-1.5-9B |
|----------|----------|----------|
| Creator | Moonshot AI | Ornith AI |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 256K | 262K |
| Overall Score | 53.67 | 28.63 |
| Benchmarks Covered | 45 | 16 |
| Pricing (input/output) | $0.60 / $3.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Kimi K2.5 public-lane score: 38 (Estimated · #63/119)
- Ornith-1.5-9B public-lane score: 18 (Estimated · #101/119)

| Benchmark | Kimi K2.5 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 50.8% | Coming soon | Coming soon |
| BrowseComp | 60.6% | 56.4% | Kimi K2.5 |
| Claw-Eval | 52.3% | 66.5% | Ornith-1.5-9B |
| QwenClawBench | 54.3% | Coming soon | Coming soon |
| τ³-bench results | 65.7% | Coming soon | Coming soon |
| DeepSearchQA | 77.1% | Coming soon | Coming soon |
| DeepPlanning | 14.4% | Coming soon | Coming soon |
| Toolathlon | 27.8% | Coming soon | Coming soon |
| MCP Atlas | 29.5% | 54.2% | Ornith-1.5-9B |
| MCP-Tasks | 59.1% | Coming soon | Coming soon |
| WideResearch | 72.7% | 59.5% | Kimi K2.5 |
| Gert Labs | 45.88% | Coming soon | Coming soon |
| ResearchClawBench | 14.0% | Coming soon | Coming soon |
| JobBench | 8.7% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 46.2% | Coming soon |
| HLE w/ tools | Coming soon | 30.5% | Coming soon |
| Toolathlon-Verified | Coming soon | 41.2% | Coming soon |

### Coding

- Winner: Not comparable
- Kimi K2.5 public-lane score: 40.1 (Estimated · #64/144)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 76.8% | 70.6% | Kimi K2.5 |
| SWE-bench Verified* | 70.8% | Coming soon | Coming soon |
| LiveCodeBench v6 | 85.0% | Coming soon | Coming soon |
| SWE-bench Pro | 50.7% | 47.5% | Kimi K2.5 |
| SWE Multilingual | 73% | 54.4% | Kimi K2.5 |
| SWE-Rebench | 58.5% | Coming soon | Coming soon |
| React Native Evals | 77.2% | Coming soon | Coming soon |
| SciCode | 48.7% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 46.2% | Coming soon |
| NL2Repo | Coming soon | 32.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- Kimi K2.5 public-lane score: 55.2 (Unranked · 3 rankable rows)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 61% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Kimi K2.5 public-lane score: 66.8 (#24/49)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 78.5% | Coming soon | Coming soon |
| Video-MME | 87.4% | Coming soon | Coming soon |
| MMVU | 80.4% | Coming soon | Coming soon |
| VideoMMMU | 86.6% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Kimi K2.5 public-lane score: 49.5 (Estimated · #66/171)
- Ornith-1.5-9B public-lane score: 30.6 (Estimated · #134/171)

| Benchmark | Kimi K2.5 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.6% | 86.4% | Kimi K2.5 |
| GPQA-D | 87.6% | 86.4% | Kimi K2.5 |
| SuperGPQA | 69.2% | Coming soon | Coming soon |
| MMLU-Pro | 87.1% | Coming soon | Coming soon |
| MMLU-Pro (Arcee) | 87.1% | Coming soon | Coming soon |
| HLE | 30.1% | 20.2% | Kimi K2.5 |
| HLE w/o tools | Coming soon | 20.2% | Coming soon |

### Multilingual

- Winner: Not comparable
- Kimi K2.5 public-lane score: 87.3 (#8/16)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 82.3% | Coming soon | Coming soon |
| NOVA-63 | 56.0% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Kimi K2.5 public-lane score: 84.4 (#41/125)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 93.9% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Kimi K2.5 public-lane score: 62.1 (#4/7)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 96.1% | Coming soon | Coming soon |
| AIME26 | 95.8% | Coming soon | Coming soon |
| AIME25 (Arcee) | 96.3% | Coming soon | Coming soon |
| HMMT Feb 2025 | 95.4% | Coming soon | Coming soon |
| HMMT Nov 2025 | 91.1% | Coming soon | Coming soon |
| HMMT Feb 2026 | 87.1% | Coming soon | Coming soon |
| MMAnswerBench | 81.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 27.900% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.200% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Kimi K2.5 or Ornith-1.5-9B?

Kimi K2.5 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Kimi K2.5 and Ornith-1.5-9B?

The widest category gap is in agentic, where the averages are 38 for Kimi K2.5 and 18 for Ornith-1.5-9B.

### How many benchmarks does Kimi K2.5 cover on BenchLM?

Kimi K2.5 currently has 45 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

- [Kimi K2.5 vs Kimi K2.5 (Reasoning)](/compare/kimi-k2-5-vs-kimi-k2-5-reasoning)
- [Ornith-1.5-9B vs Kimi K2.5 (Reasoning)](/compare/kimi-k2-5-reasoning-vs-ornith-1-5-9b)
- [Kimi K2.5 vs Ornith-1.5-397B](/compare/kimi-k2-5-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

- [Kimi K2.5 profile](/models/kimi-k2-5)
- [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)
