# DeepSeek V4.1 Flash 1017 vs LFM3-1.7B

> Side-by-side benchmark comparison for DeepSeek V4.1 Flash 1017 and LFM3-1.7B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v4-1-flash-vs-lfm3-1-7b
- Last updated: October 27, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

DeepSeek V4.1 Flash 1017 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- DeepSeek V4.1 Flash 1017 has the higher overall point estimate 65.98 to 22.99. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 63.9 for DeepSeek V4.1 Flash 1017 and 13 for LFM3-1.7B.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 90.6% and 12.9%.
- LFM3-1.7B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- DeepSeek V4.1 Flash 1017 also has the larger context window at 1M.

## Model Snapshot

| Property | DeepSeek V4.1 Flash 1017 | LFM3-1.7B |
|----------|----------|----------|
| Creator | DeepSeek | LiquidAI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | 65.98 | 22.99 |
| Benchmarks Covered | 34 | 24 |
| Pricing (input/output) | $0.30 / $1.20 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- DeepSeek V4.1 Flash 1017 public-lane score: 62 (Supported · #23/134)
- LFM3-1.7B public-lane score: 14.4 (Estimated · #123/134)

| Benchmark | DeepSeek V4.1 Flash 1017 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 90.6% | 12.9% | DeepSeek V4.1 Flash 1017 |
| terminalBench3 | 30% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | 42.30% | Coming soon | Coming soon |
| CyberGym | 88.1% | Coming soon | Coming soon |
| ExploitGym | 15.3% | Coming soon | Coming soon |
| HLE w/ tools | 63.9% | 13.9% | DeepSeek V4.1 Flash 1017 |
| AutomationBench | 60.5% | 41.3% | DeepSeek V4.1 Flash 1017 |
| Agents' Last Exam | 35.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 74.5% | Coming soon | Coming soon |
| CWE-bench v1 | 55.0% | Coming soon | Coming soon |
| MazeBench | 1% | Coming soon | Coming soon |
| BFCL v4 | Coming soon | 71.4% | Coming soon |
| τ³-bench results | Coming soon | 68.0% | Coming soon |
| WebArena-Verified | Coming soon | 38.4% | Coming soon |
| MCP Atlas | Coming soon | 32.6% | Coming soon |
| ToolSandbox | Coming soon | 80.36% | Coming soon |
| Claw-Eval | Coming soon | 68.6% | Coming soon |
| LiveClaw | Coming soon | 45.60% | Coming soon |

### Coding

- Winner: Directional only
- DeepSeek V4.1 Flash 1017 public-lane score: 63.9 (Supported · #14/155)
- LFM3-1.7B public-lane score: 13 (Estimated · #142/155)

| Benchmark | DeepSeek V4.1 Flash 1017 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| Codeforces | 3471.0 | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 90.6% | 12.9% | DeepSeek V4.1 Flash 1017 |
| terminalBench3 | 30% | Coming soon | Coming soon |
| DeepSWE | 77.0% | Coming soon | Coming soon |
| 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 |
| FrontierCode 2.0 | 19.3% | Coming soon | Coming soon |
| SciCode | Coming soon | 28.5% | Coming soon |
| SWE-bench Verified | Coming soon | 43.4% | Coming soon |
| SWE Multilingual | Coming soon | 23% | Coming soon |
| LiveCodeBench v6 | Coming soon | 73.5% | Coming soon |
| LiveCodeBench Pro | Coming soon | 31.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- DeepSeek V4.1 Flash 1017 public-lane score: 82.5 (Unranked · 4 rankable rows)
- LFM3-1.7B public-lane score: 61.3 (Unranked · 1 rankable row)

| Benchmark | DeepSeek V4.1 Flash 1017 | LFM3-1.7B | 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 |
| RULER (128K) | Coming soon | 65.56% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- DeepSeek V4.1 Flash 1017 public-lane score: 78.8 (Unranked · 1 rankable row)
- LFM3-1.7B public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash 1017 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| ExtractBench (LlamaIndex) | 87.11% | Coming soon | Coming soon |
| ParseBench | 64.56% | Coming soon | Coming soon |
| Chartography (tools) | 83.0% | Coming soon | Coming soon |
| BabyVision w/ Python | 92.5% | Coming soon | Coming soon |
| ZeroBench w/ Python | 51.0% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- DeepSeek V4.1 Flash 1017 public-lane score: 64.7 (Supported · #38/189)
- LFM3-1.7B public-lane score: 25.5 (Estimated · #175/189)

| Benchmark | DeepSeek V4.1 Flash 1017 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 90.9% | 63.4% | DeepSeek V4.1 Flash 1017 |
| GPQA-D | 90.9% | 63.4% | DeepSeek V4.1 Flash 1017 |
| HLE | 42.6% | 7.2% | DeepSeek V4.1 Flash 1017 |

### Instruction Following

- Winner: Not comparable
- DeepSeek V4.1 Flash 1017 public-lane score: Coming soon
- LFM3-1.7B public-lane score: 71.7 (#76/156)

| Benchmark | DeepSeek V4.1 Flash 1017 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 96.7% | Coming soon |
| IFBench | Coming soon | 73.0% | Coming soon |
| Multi-IF | Coming soon | 89.10% | Coming soon |
| IFStruct | Coming soon | 93.72% | Coming soon |

### Mathematics

- Winner: Not comparable
- DeepSeek V4.1 Flash 1017 public-lane score: 70.1 (Unranked · 3 rankable rows)
- LFM3-1.7B public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash 1017 | LFM3-1.7B | 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 LFM3-1.7B?

DeepSeek V4.1 Flash 1017 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between DeepSeek V4.1 Flash 1017 and LFM3-1.7B?

The widest category gap is in coding, where the averages are 63.9 for DeepSeek V4.1 Flash 1017 and 13 for LFM3-1.7B.

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

DeepSeek V4.1 Flash 1017 currently has 34 sourced benchmark scores on BenchLM.

### How many benchmarks does LFM3-1.7B cover on BenchLM?

LFM3-1.7B currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [DeepSeek V4.1 Flash 1017 vs LFM3-1.7B-Base](/compare/deepseek-v4-1-flash-vs-lfm3-1-7b-base)
- [LFM3-1.7B vs LFM3-1.7B-Base](/compare/lfm3-1-7b-vs-lfm3-1-7b-base)
- [DeepSeek V4.1 Flash 1017 vs LFM3-Audio-2B](/compare/deepseek-v4-1-flash-vs-lfm3-audio-2b)
- [LFM3-1.7B vs LFM3-Audio-2B](/compare/lfm3-1-7b-vs-lfm3-audio-2b)

## Explore More

- [DeepSeek V4.1 Flash 1017 profile](/models/deepseek-v4-1-flash)
- [LFM3-1.7B profile](/models/lfm3-1-7b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)