# Claude Sonnet 4.5 vs LFM2.5-Embedding-350M

> Side-by-side benchmark comparison for Claude Sonnet 4.5 and LFM2.5-Embedding-350M across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-sonnet-4-5-vs-lfm2-5-embedding-350m
- Last updated: September 15, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Claude Sonnet 4.5 and LFM2.5-Embedding-350M.

## Summary

- Claude Sonnet 4.5 and LFM2.5-Embedding-350M do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Claude Sonnet 4.5 | LFM2.5-Embedding-350M |
|----------|----------|----------|
| Creator | Anthropic | LiquidAI |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 200K | 32K |
| Independent public score (not head-to-head) | 53.96 | null |
| Benchmarks Covered | 11 | 2 |
| Pricing (input/output) | $3.00 / $15.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Sonnet 4.5 public-lane score: 44.2 (Estimated · #92/153)
- LFM2.5-Embedding-350M public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.5 | LFM2.5-Embedding-350M | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 50% | Coming soon | Coming soon |
| OSWorld-Verified | 61.4% | Coming soon | Coming soon |
| VITA-Bench | 17.0% | Coming soon | Coming soon |
| Gert Labs | 48.51% | Coming soon | Coming soon |
| JobBench | 27.7% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Sonnet 4.5 public-lane score: 50.7 (Estimated · #55/152)
- LFM2.5-Embedding-350M public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.5 | LFM2.5-Embedding-350M | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 77.2% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Sonnet 4.5 public-lane score: 19.1 (Unranked · 1 rankable row)
- LFM2.5-Embedding-350M public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.5 | LFM2.5-Embedding-350M | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 13.6% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Sonnet 4.5 public-lane score: 51.3 (Estimated · #73/183)
- LFM2.5-Embedding-350M public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.5 | LFM2.5-Embedding-350M | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 83.4% | Coming soon | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Claude Sonnet 4.5 public-lane score: Coming soon
- LFM2.5-Embedding-350M public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.5 | LFM2.5-Embedding-350M | Winner |
|-----------|-----------|-----------|--------|
| NanoBEIR Multilingual | Coming soon | 57.7% | Coming soon |
| MKQA-11 | Coming soon | 69.1% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude Sonnet 4.5 public-lane score: 34.8 (Unranked · 2 rankable rows)
- LFM2.5-Embedding-350M public-lane score: Coming soon

| Benchmark | Claude Sonnet 4.5 | LFM2.5-Embedding-350M | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 87% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 13.495% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.167% | Coming soon | Coming soon |

## FAQ

### Can I compare Claude Sonnet 4.5 and LFM2.5-Embedding-350M on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Claude Sonnet 4.5 vs Claude Sonnet 4.5 Thinking](/compare/claude-sonnet-4-5-vs-claude-sonnet-4-5-thinking)
- [LFM2.5-Embedding-350M vs Claude Sonnet 4.5 Thinking](/compare/claude-sonnet-4-5-thinking-vs-lfm2-5-embedding-350m)
- [Claude Sonnet 4.5 vs LFM2.5-ColBERT-350M](/compare/claude-sonnet-4-5-vs-lfm2-5-colbert-350m)
- [LFM2.5-Embedding-350M vs LFM2.5-ColBERT-350M](/compare/lfm2-5-colbert-350m-vs-lfm2-5-embedding-350m)

## Explore More

- [Claude Sonnet 4.5 profile](/models/claude-sonnet-4-5)
- [LFM2.5-Embedding-350M profile](/models/lfm2-5-embedding-350m)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)