# Claude Opus 4.6 vs LFM3-1.7B

> Side-by-side benchmark comparison for Claude Opus 4.6 and LFM3-1.7B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-6-vs-lfm3-1-7b
- Last updated: October 27, 2026

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

## Quick Verdict

Claude Opus 4.6 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Claude Opus 4.6 has the higher overall point estimate 62.51 to 22.99. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 46.6 for Claude Opus 4.6 and 13 for LFM3-1.7B.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 53% and 7.2%.
- LFM3-1.7B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Claude Opus 4.6 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Opus 4.6 | LFM3-1.7B |
|----------|----------|----------|
| Creator | Anthropic | LiquidAI |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | 62.51 | 22.99 |
| Benchmarks Covered | 38 | 24 |
| Pricing (input/output) | $5.00 / $25.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 46.1 (Supported · #61/134)
- LFM3-1.7B public-lane score: 14.4 (Estimated · #123/134)

| Benchmark | Claude Opus 4.6 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 65.4% | Coming soon | Coming soon |
| BrowseComp | 83.7% | Coming soon | Coming soon |
| OSWorld-Verified | 72.7% | Coming soon | Coming soon |
| AndroidWorld | 62.0% | Coming soon | Coming soon |
| Claw-Eval | 70.4% | 68.6% | Claude Opus 4.6 |
| DeepSearchQA | 73.7% | Coming soon | Coming soon |
| CyberGym | 66.6% | Coming soon | Coming soon |
| Gert Labs | 61.85% | Coming soon | Coming soon |
| ResearchClawBench | 19.9% | Coming soon | Coming soon |
| JobBench | 36.7% | Coming soon | Coming soon |
| ApprenticeBench | 5% | Coming soon | Coming soon |
| AutomationBench | Coming soon | 41.3% | 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 |
| HLE w/ tools | Coming soon | 13.9% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 12.9% | Coming soon |
| LiveClaw | Coming soon | 45.60% | Coming soon |

### Coding

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 46.6 (Supported · #54/155)
- LFM3-1.7B public-lane score: 13 (Estimated · #142/155)

| Benchmark | Claude Opus 4.6 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.8% | 43.4% | Claude Opus 4.6 |
| SWE-bench Verified* | 75.6% | Coming soon | Coming soon |
| LiveCodeBench Pro | 70.7% | 31.7% | Claude Opus 4.6 |
| SWE-bench Pro | 53.4% | Coming soon | Coming soon |
| SWE-Rebench | 65.3% | Coming soon | Coming soon |
| React Native Evals | 84.1% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 65.4% | Coming soon | Coming soon |
| Vibe Code Bench | 57.57% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 26.9% | Coming soon | Coming soon |
| SciCode | Coming soon | 28.5% | Coming soon |
| SWE Multilingual | Coming soon | 23% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 12.9% | Coming soon |
| LiveCodeBench v6 | Coming soon | 73.5% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 51.2 (Unranked · 3 rankable rows)
- LFM3-1.7B public-lane score: 61.3 (Unranked · 1 rankable row)

| Benchmark | Claude Opus 4.6 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-3 | 0.5% | Coming soon | Coming soon |
| RULER (128K) | Coming soon | 65.56% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Opus 4.6 public-lane score: 74.9 (#26/58)
- LFM3-1.7B public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| ParseBench | 54.07% | Coming soon | Coming soon |
| MMMU-Pro | 77.3% | Coming soon | Coming soon |
| ERQA | 51.6% | Coming soon | Coming soon |
| ScreenSpot Pro | 83.1% | Coming soon | Coming soon |
| MedXpertQA (MM) | 64.8% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 59.1 (Estimated · #54/189)
- LFM3-1.7B public-lane score: 25.5 (Estimated · #175/189)

| Benchmark | Claude Opus 4.6 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 91.3% | 63.4% | Claude Opus 4.6 |
| GPQA-D | 89.2% | 63.4% | Claude Opus 4.6 |
| SuperGPQA | 95% | Coming soon | Coming soon |
| MMLU-Pro | 82% | Coming soon | Coming soon |
| MMLU-Pro (Arcee) | 89.1% | Coming soon | Coming soon |
| HLE | 53% | 7.2% | Claude Opus 4.6 |
| HLE w/o tools | 40% | Coming soon | Coming soon |
| HealthBench Hard | 14.8% | Coming soon | Coming soon |
| MedXpertQA (Text) | 52.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Directional only
- Claude Opus 4.6 public-lane score: 52.4 (#93/156)
- LFM3-1.7B public-lane score: 71.7 (#76/156)

| Benchmark | Claude Opus 4.6 | 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
- Claude Opus 4.6 public-lane score: 69.1 (Unranked · 3 rankable rows)
- LFM3-1.7B public-lane score: Coming soon

| Benchmark | Claude Opus 4.6 | LFM3-1.7B | Winner |
|-----------|-----------|-----------|--------|
| AIME25 (Arcee) | 99.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 65.965% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 26.829% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.6 or LFM3-1.7B?

Claude Opus 4.6 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Opus 4.6 and LFM3-1.7B?

The widest category gap is in coding, where the averages are 46.6 for Claude Opus 4.6 and 13 for LFM3-1.7B.

### How many benchmarks does Claude Opus 4.6 cover on BenchLM?

Claude Opus 4.6 currently has 38 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

- [Claude Opus 4.6 vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-vs-claude-opus-4-6-thinking)
- [LFM3-1.7B vs Claude Opus 4.6 (Adaptive)](/compare/claude-opus-4-6-thinking-vs-lfm3-1-7b)
- [Claude Opus 4.6 vs LFM3-1.7B-Base](/compare/claude-opus-4-6-vs-lfm3-1-7b-base)
- [LFM3-1.7B vs LFM3-1.7B-Base](/compare/lfm3-1-7b-vs-lfm3-1-7b-base)

## Explore More

- [Claude Opus 4.6 profile](/models/claude-opus-4-6)
- [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)