# Inkling 2 Small vs Kimi K3.1 Pro

> Side-by-side benchmark comparison for Inkling 2 Small and Kimi K3.1 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/inkling-2-small-vs-kimi-3-1-pro
- Last updated: November 7, 2026

- Shared sourced benchmarks: 11
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Kimi K3.1 Pro leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Kimi K3.1 Pro has the higher overall point estimate 75.03 to 59.06. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 60.4 for Inkling 2 Small and 75.5 for Kimi K3.1 Pro.
- The biggest single benchmark swing is sweMarathon in Coding, with scores of 38.8% and 51.7%.
- Inkling 2 Small 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 | Inkling 2 Small | Kimi K3.1 Pro |
|----------|----------|----------|
| Creator | Thinking Machines Lab | Moonshot AI |
| Type | Proprietary | Open Weight |
| Reasoning | Hybrid | Reasoning |
| Context | 1M | 1.05M |
| Overall Score | 59.06 | 75.03 |
| Benchmarks Covered | 25 | 46 |
| Pricing (input/output) | $0.30 / $1.00 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Kimi K3.1 Pro
- Inkling 2 Small public-lane score: 59.9 (Supported · #26/131)
- Kimi K3.1 Pro public-lane score: 72.8 (Supported · #9/131)

| Benchmark | Inkling 2 Small | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.1% | Coming soon | Coming soon |
| BrowseComp | 90.2% | 92.1% | Kimi K3.1 Pro |
| DeepSearchQA | 90.9% | Coming soon | Coming soon |
| MCP Atlas | 85% | Coming soon | Coming soon |
| JobBench | 70.5% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 65.70% | Coming soon |
| Terminal-Bench-Science 0.1 | Coming soon | 38.1% | Coming soon |
| HLE w/ tools | Coming soon | 70.0% | Coming soon |
| BioMysteryBench | Coming soon | 80.6% | Coming soon |
| Agents' Last Exam | Coming soon | 43.2% | Coming soon |
| Agents' Last Exam (CLI) | Coming soon | 44.2% | Coming soon |
| APEX-Agents | Coming soon | 69.4% | Coming soon |
| Frontier Finance | Coming soon | 58.6% | Coming soon |
| HANDBOOK.md | Coming soon | 44.6% | Coming soon |
| OSWorld 2.0 | Coming soon | 79.6% | Coming soon |
| Business Operation | Coming soon | 37.8% | Coming soon |
| Financial Modeling | Coming soon | 57.6% | Coming soon |
| Financial Research | Coming soon | 70.4% | Coming soon |
| Kimi Hallu Bench Hard (tools) | Coming soon | 8.3% | Coming soon |
| ExploitGym | Coming soon | 20.7% | Coming soon |
| MazeBench | Coming soon | 2% | Coming soon |
| OSWorld 2.1 | Coming soon | 79.6% | Coming soon |

### Coding

- Winner: Not comparable
- Inkling 2 Small public-lane score: 59.7 (Supported · #20/157)
- Kimi K3.1 Pro public-lane score: Coming soon

| Benchmark | Inkling 2 Small | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 82.2% | Coming soon | Coming soon |
| SWE Multilingual | 81.2% | Coming soon | Coming soon |
| sweMarathon | 38.8% | 51.7% | Kimi K3.1 Pro |
| Terminal-Bench 2.1 | 85.1% | Coming soon | Coming soon |
| DeepSWE | 72.1% | 75.5% | Kimi K3.1 Pro |
| PostTrainBench v1.2 | 31.9% | 36.5% | Kimi K3.1 Pro |
| ProgramBench (binary) | Coming soon | 31.5% | Coming soon |
| Kimi Code Bench v2 | Coming soon | 77.1% | Coming soon |
| Kimi Code Bench 3.0 Long-horizon | Coming soon | 61.2% | Coming soon |
| Bug Hunt Bench | Coming soon | 36.0 fixes | Coming soon |
| FrontierCode 2.0 | Coming soon | 19.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- Inkling 2 Small public-lane score: 86.1 (Unranked · 2 rankable rows)
- Kimi K3.1 Pro public-lane score: 80.8 (Unranked · 2 rankable rows)

| Benchmark | Inkling 2 Small | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 70.6% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Inkling 2 Small public-lane score: 86.6 (#12/59)
- Kimi K3.1 Pro public-lane score: 100 (#1/59)

| Benchmark | Inkling 2 Small | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 87.7% | 93.4% | Kimi K3.1 Pro |
| CharXiv w/o tools | 85.6% | 89% | Kimi K3.1 Pro |
| Chartography (no tools) | 36.7% | Coming soon | Coming soon |
| Chartography (tools) | 80.4% | 90.2% | Kimi K3.1 Pro |
| BabyVision | 68.6% | Coming soon | Coming soon |
| BabyVision w/ Python | 93.7% | 95.4% | Kimi K3.1 Pro |
| ScreenSpot Pro | 83.8% | Coming soon | Coming soon |
| PerceptionBench | 64.7% | 68.3% | Kimi K3.1 Pro |
| MathVision | 92.8% | Coming soon | Coming soon |
| OfficeQA Pro | Coming soon | 67.4% | Coming soon |
| OfficeQA Pro v2 | Coming soon | 64.4% | Coming soon |
| BenchCAD Vision2Code (no tools) | Coming soon | 0.728 | Coming soon |
| BenchCAD Vision2Code (tools) | Coming soon | 0.927 | Coming soon |
| MMMU-Pro | Coming soon | 84.1% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 90% | Coming soon |
| ZeroBench | Coming soon | 39.0% | Coming soon |
| ZeroBench w/ Python | Coming soon | 63.0% | Coming soon |
| GDP.pdf (Gemini judge) | Coming soon | 34.6% | Coming soon |
| GDP.pdf w/ Python (Gemini judge) | Coming soon | 85.7% | Coming soon |

### Knowledge

- Winner: Directional only
- Inkling 2 Small public-lane score: 60.4 (Estimated · #46/178)
- Kimi K3.1 Pro public-lane score: 75.5 (Supported · #12/178)

| Benchmark | Inkling 2 Small | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 93% | 94.2% | Kimi K3.1 Pro |
| GPQA-D | 93.0% | 94.2% | Kimi K3.1 Pro |
| HLE | Coming soon | 70% | Coming soon |
| HLE w/o tools | Coming soon | 51.1% | Coming soon |
| Kimi Hallu Bench | Coming soon | 5.4% | Coming soon |

### Mathematics

- Winner: Not comparable
- Inkling 2 Small public-lane score: 85.9 (Unranked · 2 rankable rows)
- Kimi K3.1 Pro public-lane score: Coming soon

| Benchmark | Inkling 2 Small | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | 95.8% | Coming soon | Coming soon |
| Apex | 63.5% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Inkling 2 Small or Kimi K3.1 Pro?

Kimi K3.1 Pro has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Inkling 2 Small and Kimi K3.1 Pro?

The widest category gap is in knowledge, where the averages are 60.4 for Inkling 2 Small and 75.5 for Kimi K3.1 Pro.

### How many benchmarks does Inkling 2 Small cover on BenchLM?

Inkling 2 Small currently has 25 sourced benchmark scores on BenchLM.

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

Kimi K3.1 Pro currently has 46 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Inkling 2 Small vs Inkling-Small](/compare/inkling-2-small-vs-inkling-small)
- [Kimi K3.1 Pro vs Inkling-Small](/compare/inkling-small-vs-kimi-3-1-pro)
- [Inkling 2 Small vs Inkling](/compare/inkling-vs-inkling-2-small)
- [Kimi K3.1 Pro vs Inkling](/compare/inkling-vs-kimi-3-1-pro)

## Explore More

- [Inkling 2 Small profile](/models/inkling-2-small)
- [Kimi K3.1 Pro profile](/models/kimi-3-1-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)