# LFM3-1.7B vs Ling 3.1 Flash

> Side-by-side benchmark comparison for LFM3-1.7B and Ling 3.1 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/lfm3-1-7b-vs-ling-3-1-flash
- Last updated: October 27, 2026

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

## Quick Verdict

Ling 3.1 Flash leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Ling 3.1 Flash has the higher overall point estimate 68.19 to 22.99. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 14.4 for LFM3-1.7B and 63 for Ling 3.1 Flash.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 12.9% and 81.2%.
- Ling 3.1 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Ling 3.1 Flash also has the larger context window at 262K.

## Model Snapshot

| Property | LFM3-1.7B | Ling 3.1 Flash |
|----------|----------|----------|
| Creator | LiquidAI | InclusionAI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 262K |
| Overall Score | 22.99 | 68.19 |
| Benchmarks Covered | 24 | 17 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Directional only
- LFM3-1.7B public-lane score: 14.4 (Estimated · #123/134)
- Ling 3.1 Flash public-lane score: 63 (Estimated · #22/134)

| Benchmark | LFM3-1.7B | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| AutomationBench | 41.3% | 52.5% | Ling 3.1 Flash |
| BFCL v4 | 71.4% | Coming soon | Coming soon |
| τ³-bench results | 68.0% | 47.8% | LFM3-1.7B |
| WebArena-Verified | 38.4% | Coming soon | Coming soon |
| MCP Atlas | 32.6% | 83% | Ling 3.1 Flash |
| ToolSandbox | 80.36% | Coming soon | Coming soon |
| Claw-Eval | 68.6% | Coming soon | Coming soon |
| HLE w/ tools | 13.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 12.9% | 81.2% | Ling 3.1 Flash |
| LiveClaw | 45.60% | Coming soon | Coming soon |
| skillsBench | Coming soon | 68.7% | Coming soon |
| CyberGym | Coming soon | 87.9% | Coming soon |
| Finance Agent v2 | Coming soon | 57.9% | Coming soon |
| DRACO | Coming soon | 85.5% | Coming soon |
| BrowseComp | Coming soon | 91.7% | Coming soon |
| WideResearch | Coming soon | 83.3% | Coming soon |

### Coding

- Winner: Directional only
- LFM3-1.7B public-lane score: 13 (Estimated · #142/155)
- Ling 3.1 Flash public-lane score: 57.4 (Estimated · #27/155)

| Benchmark | LFM3-1.7B | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| SciCode | 28.5% | Coming soon | Coming soon |
| SWE-bench Verified | 43.4% | Coming soon | Coming soon |
| SWE Multilingual | 23% | 88.5% | Ling 3.1 Flash |
| Terminal-Bench 2.1 | 12.9% | Coming soon | Coming soon |
| LiveCodeBench v6 | 73.5% | Coming soon | Coming soon |
| LiveCodeBench Pro | 31.7% | Coming soon | Coming soon |
| terminalBench4 | Coming soon | 46.0% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 64.5% | Coming soon |
| SWE-bench Pro | Coming soon | 68.7% | Coming soon |
| DeepSWE | Coming soon | 59.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- LFM3-1.7B public-lane score: 61.3 (Unranked · 1 rankable row)
- Ling 3.1 Flash public-lane score: 82 (Unranked · 2 rankable rows)

| Benchmark | LFM3-1.7B | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| RULER (128K) | 65.56% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- LFM3-1.7B public-lane score: 25.5 (Estimated · #175/189)
- Ling 3.1 Flash public-lane score: 63 (Supported · #44/189)

| Benchmark | LFM3-1.7B | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 63.4% | Coming soon | Coming soon |
| GPQA-D | 63.4% | Coming soon | Coming soon |
| HLE | 7.2% | 37.4% | Ling 3.1 Flash |
| HealthBench Professional | Coming soon | 65.3% | Coming soon |

### Instruction Following

- Winner: Not comparable
- LFM3-1.7B public-lane score: 71.7 (#76/156)
- Ling 3.1 Flash public-lane score: Coming soon

| Benchmark | LFM3-1.7B | Ling 3.1 Flash | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 96.7% | Coming soon | Coming soon |
| IFBench | 73.0% | Coming soon | Coming soon |
| Multi-IF | 89.10% | Coming soon | Coming soon |
| IFStruct | 93.72% | Coming soon | Coming soon |

## FAQ

### Which is better overall, LFM3-1.7B or Ling 3.1 Flash?

Ling 3.1 Flash has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between LFM3-1.7B and Ling 3.1 Flash?

The widest category gap is in agentic, where the averages are 14.4 for LFM3-1.7B and 63 for Ling 3.1 Flash.

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

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

### How many benchmarks does Ling 3.1 Flash cover on BenchLM?

Ling 3.1 Flash currently has 17 sourced benchmark scores on BenchLM.

## Related Comparisons

- [LFM3-1.7B vs LFM3-1.7B-Base](/compare/lfm3-1-7b-vs-lfm3-1-7b-base)
- [Ling 3.1 Flash vs LFM3-1.7B-Base](/compare/lfm3-1-7b-base-vs-ling-3-1-flash)
- [LFM3-1.7B vs LFM3-Audio-2B](/compare/lfm3-1-7b-vs-lfm3-audio-2b)
- [Ling 3.1 Flash vs LFM3-Audio-2B](/compare/lfm3-audio-2b-vs-ling-3-1-flash)

## Explore More

- [LFM3-1.7B profile](/models/lfm3-1-7b)
- [Ling 3.1 Flash profile](/models/ling-3-1-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)