# DeepSeek V4.1 Flash 1017 vs Kimi K3.1 Pro

> Side-by-side benchmark comparison for DeepSeek V4.1 Flash 1017 and Kimi K3.1 Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v4-1-flash-vs-kimi-3-1-pro
- Last updated: October 23, 2026

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

## Quick Verdict

Pick Kimi K3.1 Pro if you want the stronger benchmark profile. DeepSeek V4.1 Flash 1017 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 65.63.
- The clearest category separation is in multimodal & grounded, where the averages are 78.8 for DeepSeek V4.1 Flash 1017 and 98 for Kimi K3.1 Pro.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 42.6% and 70%.
- DeepSeek V4.1 Flash 1017 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 | DeepSeek V4.1 Flash 1017 | Kimi K3.1 Pro |
|----------|----------|----------|
| Creator | DeepSeek | Moonshot AI |
| Type | Open Weight | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1.05M |
| Overall Score | 65.63 | null |
| Benchmarks Covered | 32 | 42 |
| Pricing (input/output) | $0.30 / $1.20 | $2.00 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- DeepSeek V4.1 Flash 1017 public-lane score: 61.7 (Supported · #24/132)
- Kimi K3.1 Pro public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash 1017 | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 90.6% | Coming soon | Coming soon |
| terminalBench3 | 30% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | 42.30% | 65.70% | Kimi K3.1 Pro |
| CyberGym | 88.1% | Coming soon | Coming soon |
| ExploitGym | 15.3% | 20.7% | Kimi K3.1 Pro |
| HLE w/ tools | 63.9% | 70.0% | Kimi K3.1 Pro |
| AutomationBench | 60.5% | Coming soon | Coming soon |
| Agents' Last Exam | 35.4% | 43.2% | Kimi K3.1 Pro |
| Terminal-Bench 2.1 (Vals) | 74.5% | Coming soon | Coming soon |
| CWE-bench v1 | 55.0% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | Coming soon | 38.1% | Coming soon |
| BrowseComp | Coming soon | 92.1% | Coming soon |
| BioMysteryBench | Coming soon | 80.6% | Coming soon |
| Agents' Last Exam (CLI) | Coming soon | 44.2% | Coming soon |
| APEX-Agents | Coming soon | 67.2% | 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 |

### Coding

- Winner: Not comparable
- DeepSeek V4.1 Flash 1017 public-lane score: 60.9 (Supported · #18/153)
- Kimi K3.1 Pro public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash 1017 | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Codeforces | 3471.0 | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 90.6% | Coming soon | Coming soon |
| terminalBench3 | 30% | Coming soon | Coming soon |
| DeepSWE | 77.0% | 75.5% | DeepSeek V4.1 Flash 1017 |
| ProgramBench | 29.1% | Coming soon | Coming soon |
| NL2Repo | 68.2% | Coming soon | Coming soon |
| OpenHarmony Bench | 60.3% | Coming soon | Coming soon |
| Bug Hunt Bench | 39.1 fixes | Coming soon | Coming soon |
| 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 |
| sweMarathon | Coming soon | 51.7% | Coming soon |
| PostTrainBench v1.2 | Coming soon | 36.5% | Coming soon |

### Reasoning

- Winner: Not comparable
- DeepSeek V4.1 Flash 1017 public-lane score: 82.5 (Unranked · 4 rankable rows)
- Kimi K3.1 Pro public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash 1017 | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| STEMBench | 2.49 | Coming soon | Coming soon |
| JevBench 1.4 | 4.77 | Coming soon | Coming soon |
| JevBench 1.5 | 6.65 | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- DeepSeek V4.1 Flash 1017 public-lane score: 78.8 (Unranked · 1 rankable row)
- Kimi K3.1 Pro public-lane score: 98 (#1/56)

| Benchmark | DeepSeek V4.1 Flash 1017 | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| ExtractBench (LlamaIndex) | 87.11% | Coming soon | Coming soon |
| ParseBench | 65.72% | Coming soon | Coming soon |
| Chartography (tools) | 83.0% | 90.2% | Kimi K3.1 Pro |
| BabyVision w/ Python | 92.5% | 95.4% | Kimi K3.1 Pro |
| ZeroBench w/ Python | 51.0% | 63.0% | Kimi K3.1 Pro |
| 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 |
| CharXiv | Coming soon | 93.4% | Coming soon |
| CharXiv w/o tools | Coming soon | 89% | Coming soon |
| ZeroBench | Coming soon | 39.0% | Coming soon |
| GDP.pdf (Gemini judge) | Coming soon | 34.6% | Coming soon |
| GDP.pdf w/ Python (Gemini judge) | Coming soon | 85.7% | Coming soon |
| PerceptionBench | Coming soon | 68.3% | Coming soon |

### Knowledge

- Winner: Not comparable
- DeepSeek V4.1 Flash 1017 public-lane score: 64.6 (Supported · #35/187)
- Kimi K3.1 Pro public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash 1017 | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 90.9% | 94.2% | Kimi K3.1 Pro |
| GPQA-D | 90.9% | 94.2% | Kimi K3.1 Pro |
| HLE | 42.6% | 70% | Kimi K3.1 Pro |
| HLE w/o tools | Coming soon | 51.1% | Coming soon |
| Kimi Hallu Bench | Coming soon | 5.4% | Coming soon |

### Mathematics

- Winner: Not comparable
- DeepSeek V4.1 Flash 1017 public-lane score: 70.1 (Unranked · 3 rankable rows)
- Kimi K3.1 Pro public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash 1017 | Kimi K3.1 Pro | Winner |
|-----------|-----------|-----------|--------|
| Apex | 65.6% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 67.368% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 26.829% | Coming soon | Coming soon |

## FAQ

### Which is better overall, DeepSeek V4.1 Flash 1017 or Kimi K3.1 Pro?

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

### Where is the biggest gap between DeepSeek V4.1 Flash 1017 and Kimi K3.1 Pro?

The widest category gap is in multimodal & grounded, where the averages are 78.8 for DeepSeek V4.1 Flash 1017 and 98 for Kimi K3.1 Pro.

### How many benchmarks does DeepSeek V4.1 Flash 1017 cover on BenchLM?

DeepSeek V4.1 Flash 1017 currently has 32 sourced benchmark scores on BenchLM.

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

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

## Related Comparisons

- [DeepSeek V4.1 Flash 1017 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-v4-1-flash)
- [Kimi K3.1 Pro vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-3-1-pro)
- [DeepSeek V4.1 Flash 1017 vs GPT-6.1 Sol](/compare/deepseek-v4-1-flash-vs-gpt-6-1-sol)
- [Kimi K3.1 Pro vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-kimi-3-1-pro)

## Explore More

- [DeepSeek V4.1 Flash 1017 profile](/models/deepseek-v4-1-flash)
- [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)