# Kimi K3.1 Pro vs Kimi K2.5

> Side-by-side benchmark comparison for Kimi K3.1 Pro and Kimi K2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-3-1-pro-vs-kimi-k2-5
- Last updated: October 23, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Kimi K3.1 Pro if you want the stronger benchmark profile. Kimi K2.5 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Kimi K3.1 Pro leads overall 82 to 52.97.
- The clearest category separation is in multimodal & grounded, where the averages are 98 for Kimi K3.1 Pro and 70.6 for Kimi K2.5.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 70% and 30.1%.
- Kimi K2.5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Kimi K3.1 Pro also has the larger context window at 1.05M.

## Model Snapshot

| Property | Kimi K3.1 Pro | Kimi K2.5 |
|----------|----------|----------|
| Creator | Moonshot AI | Moonshot AI |
| Type | Pending | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1.05M | 256K |
| Overall Score | null | 52.97 |
| Benchmarks Covered | 42 | 68 |
| Pricing (input/output) | $2.00 / $10.00 | $0.60 / $3.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Kimi K2.5 public-lane score: 40.8 (Estimated · #68/132)

| Benchmark | Kimi K3.1 Pro | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 65.70% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 38.1% | Coming soon | Coming soon |
| HLE w/ tools | 70.0% | Coming soon | Coming soon |
| BrowseComp | 92.1% | 60.6% | Kimi K3.1 Pro |
| BioMysteryBench | 80.6% | Coming soon | Coming soon |
| Agents' Last Exam | 43.2% | Coming soon | Coming soon |
| Agents' Last Exam (CLI) | 44.2% | Coming soon | Coming soon |
| APEX-Agents | 67.2% | Coming soon | Coming soon |
| Frontier Finance | 58.6% | Coming soon | Coming soon |
| HANDBOOK.md | 44.6% | Coming soon | Coming soon |
| OSWorld 2.0 | 79.6% | Coming soon | Coming soon |
| Business Operation | 37.8% | Coming soon | Coming soon |
| Financial Modeling | 57.6% | Coming soon | Coming soon |
| Financial Research | 70.4% | Coming soon | Coming soon |
| Kimi Hallu Bench Hard (tools) | 8.3% | Coming soon | Coming soon |
| ExploitGym | 20.7% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 50.8% | Coming soon |
| OSWorld-Verified | Coming soon | 63.3% | Coming soon |
| Claw-Eval | Coming soon | 52.3% | Coming soon |
| QwenClawBench | Coming soon | 54.3% | Coming soon |
| τ³-bench results | Coming soon | 65.7% | Coming soon |
| DeepSearchQA | Coming soon | 77.1% | Coming soon |
| DeepPlanning | Coming soon | 14.4% | Coming soon |
| Toolathlon | Coming soon | 27.8% | Coming soon |
| MCP Atlas | Coming soon | 29.5% | Coming soon |
| MCP-Tasks | Coming soon | 59.1% | Coming soon |
| WideResearch | Coming soon | 72.7% | Coming soon |
| BFCL v4 | Coming soon | 68.3% | Coming soon |
| Gert Labs | Coming soon | 45.88% | Coming soon |
| ResearchClawBench | Coming soon | 14.0% | Coming soon |
| JobBench | Coming soon | 8.7% | Coming soon |

### Coding

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Kimi K2.5 public-lane score: 38.6 (Estimated · #70/153)

| Benchmark | Kimi K3.1 Pro | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 75.5% | Coming soon | Coming soon |
| ProgramBench (binary) | 31.5% | Coming soon | Coming soon |
| Kimi Code Bench v2 | 77.1% | Coming soon | Coming soon |
| Kimi Code Bench 3.0 Long-horizon | 61.2% | Coming soon | Coming soon |
| sweMarathon | 51.7% | Coming soon | Coming soon |
| PostTrainBench v1.2 | 36.5% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 76.8% | Coming soon |
| SWE-bench Verified* | Coming soon | 70.8% | Coming soon |
| LiveCodeBench v6 | Coming soon | 85.0% | Coming soon |
| SWE-bench Pro | Coming soon | 50.7% | Coming soon |
| SWE Multilingual | Coming soon | 73% | Coming soon |
| SWE-Rebench | Coming soon | 58.5% | Coming soon |
| React Native Evals | Coming soon | 77.2% | Coming soon |
| NL2Repo | Coming soon | 32% | Coming soon |
| SciCode | Coming soon | 48.7% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 50.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Kimi K2.5 public-lane score: 71.3 (Unranked · 3 rankable rows)

| Benchmark | Kimi K3.1 Pro | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 61% | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Kimi K3.1 Pro public-lane score: 98 (#1/56)
- Kimi K2.5 public-lane score: 70.6 (#34/56)

| Benchmark | Kimi K3.1 Pro | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 67.4% | Coming soon | Coming soon |
| OfficeQA Pro v2 | 64.4% | Coming soon | Coming soon |
| BenchCAD Vision2Code (no tools) | 0.728 | Coming soon | Coming soon |
| BenchCAD Vision2Code (tools) | 0.927 | Coming soon | Coming soon |
| MMMU-Pro | 84.1% | 78.5% | Kimi K3.1 Pro |
| MMMU-Pro w/ Python | 90% | Coming soon | Coming soon |
| CharXiv | 93.4% | 77.5% | Kimi K3.1 Pro |
| CharXiv w/o tools | 89% | Coming soon | Coming soon |
| Chartography (tools) | 90.2% | Coming soon | Coming soon |
| BabyVision w/ Python | 95.4% | Coming soon | Coming soon |
| ZeroBench | 39.0% | Coming soon | Coming soon |
| ZeroBench w/ Python | 63.0% | Coming soon | Coming soon |
| GDP.pdf (Gemini judge) | 34.6% | Coming soon | Coming soon |
| GDP.pdf w/ Python (Gemini judge) | 85.7% | Coming soon | Coming soon |
| PerceptionBench | 68.3% | Coming soon | Coming soon |
| MMMU | Coming soon | 84.3% | Coming soon |
| RealWorldQA | Coming soon | 81.0% | Coming soon |
| OmniDocBench 1.5 | Coming soon | 88.8% | Coming soon |
| Video-MME | Coming soon | 87.4% | Coming soon |
| Video-MME (with subtitle) | Coming soon | 87.4% | Coming soon |
| Video-MME (w/o subtitle) | Coming soon | 83.2% | Coming soon |
| MathVision | Coming soon | 84.2% | Coming soon |
| We-Math | Coming soon | 84.7% | Coming soon |
| DynaMath | Coming soon | 84.4% | Coming soon |
| SimpleVQA | Coming soon | 71.2% | Coming soon |
| MMLongBench-Doc | Coming soon | 58.5% | Coming soon |
| CC-OCR | Coming soon | 79.7% | Coming soon |
| AI2D_TEST | Coming soon | 90.8% | Coming soon |
| CountBench | Coming soon | 94.1% | Coming soon |
| RefCOCO (avg) | Coming soon | 87.8% | Coming soon |
| MMVU | Coming soon | 80.4% | Coming soon |
| VideoMMMU | Coming soon | 86.6% | Coming soon |
| MLVU (M-Avg) | Coming soon | 85.0% | Coming soon |

### Knowledge

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Kimi K2.5 public-lane score: 50.8 (Estimated · #77/187)

| Benchmark | Kimi K3.1 Pro | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.2% | 87.6% | Kimi K3.1 Pro |
| GPQA-D | 94.2% | 87.6% | Kimi K3.1 Pro |
| HLE | 70% | 30.1% | Kimi K3.1 Pro |
| HLE w/o tools | 51.1% | Coming soon | Coming soon |
| Kimi Hallu Bench | 5.4% | Coming soon | Coming soon |
| SuperGPQA | Coming soon | 69.2% | Coming soon |
| MMLU-Pro | Coming soon | 87.1% | Coming soon |
| MMLU-Pro (Arcee) | Coming soon | 87.1% | Coming soon |
| MMLU-Redux | Coming soon | 94.5% | Coming soon |
| C-Eval | Coming soon | 94% | Coming soon |

### Multilingual

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Kimi K2.5 public-lane score: 87.3 (#8/17)

| Benchmark | Kimi K3.1 Pro | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 82.3% | Coming soon |
| NOVA-63 | Coming soon | 56.0% | Coming soon |
| INCLUDE | Coming soon | 83.3% | Coming soon |
| PolyMath | Coming soon | 43.1% | Coming soon |
| MAXIFE | Coming soon | 72.8% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Kimi K2.5 public-lane score: 85.8 (#50/153)

| Benchmark | Kimi K3.1 Pro | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 93.9% | Coming soon |

### Mathematics

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Kimi K2.5 public-lane score: 83.3 (Unranked · 7 rankable rows)

| Benchmark | Kimi K3.1 Pro | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | Coming soon | 96.1% | Coming soon |
| AIME26 | Coming soon | 95.8% | Coming soon |
| AIME25 (Arcee) | Coming soon | 96.3% | Coming soon |
| HMMT Feb 2025 | Coming soon | 95.4% | Coming soon |
| HMMT Nov 2025 | Coming soon | 91.1% | Coming soon |
| HMMT Feb 2026 | Coming soon | 87.1% | Coming soon |
| MMAnswerBench | Coming soon | 81.8% | Coming soon |

## FAQ

### Which is better overall, Kimi K3.1 Pro or Kimi K2.5?

Kimi K3.1 Pro is ahead overall on BenchLM right now.

### Where is the biggest gap between Kimi K3.1 Pro and Kimi K2.5?

The widest category gap is in multimodal & grounded, where the averages are 98 for Kimi K3.1 Pro and 70.6 for Kimi K2.5.

### How many benchmarks does Kimi K3.1 Pro cover on BenchLM?

Kimi K3.1 Pro currently has 42 sourced benchmark scores on BenchLM.

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

Kimi K2.5 currently has 68 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Kimi K3.1 Pro vs Kimi K2.5 (Reasoning)](/compare/kimi-3-1-pro-vs-kimi-k2-5-reasoning)
- [Kimi K2.5 vs Kimi K2.5 (Reasoning)](/compare/kimi-k2-5-vs-kimi-k2-5-reasoning)
- [Kimi K3.1 Pro vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-3-1-pro)
- [Kimi K2.5 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k2-5)

## Explore More

- [Kimi K3.1 Pro profile](/models/kimi-3-1-pro)
- [Kimi K2.5 profile](/models/kimi-k2-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)