# LFM2.5-8B-A1B vs Mercury 3

> Side-by-side benchmark comparison for LFM2.5-8B-A1B and Mercury 3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/lfm2-5-8b-a1b-vs-mercury-3
- Last updated: October 19, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: LFM2.5-8B-A1B and Mercury 3 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- LFM2.5-8B-A1B has the lower published output-token price.
- Mercury 3 has the larger published context window at 1M.

## Model Snapshot

| Property | LFM2.5-8B-A1B | Mercury 3 |
|----------|----------|----------|
| Creator | LiquidAI | Inception |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 1M |
| Independent public score (not head-to-head) | 30.15 | null |
| Benchmarks Covered | 7 | 8 |
| Pricing (input/output) | $0.00 / $0.00 | $0.10 / $0.35 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: Coming soon
- Mercury 3 public-lane score: Coming soon

| Benchmark | LFM2.5-8B-A1B | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| BFCL v4 | 49.7% | Coming soon | Coming soon |
| τ²-bench results | 88.1% | Coming soon | Coming soon |
| τ³-bench results | Coming soon | 30.2% | Coming soon |
| BrowseComp+ | Coming soon | 55.18% | Coming soon |
| DeepSearchQA | Coming soon | 71.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: Coming soon
- Mercury 3 public-lane score: Coming soon

| Benchmark | LFM2.5-8B-A1B | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | Coming soon | 46.3% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: 25 (Unranked · 2 rankable rows)
- Mercury 3 public-lane score: Coming soon

| Benchmark | LFM2.5-8B-A1B | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 75.5% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: 26.3 (Supported · #171/186)
- Mercury 3 public-lane score: Coming soon

| Benchmark | LFM2.5-8B-A1B | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | Coming soon | 89.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: 36.5 (#123/148)
- Mercury 3 public-lane score: Coming soon

| Benchmark | LFM2.5-8B-A1B | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 91.8% | Coming soon | Coming soon |
| IFBench | 56.5% | 76.8% | Mercury 3 |
| MultiChallenge (provider reports) | Coming soon | 60.35% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: 24 (Unranked · 3 rankable rows)
- Mercury 3 public-lane score: Coming soon

| Benchmark | LFM2.5-8B-A1B | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| MATH-500 | 88.8% | Coming soon | Coming soon |
| AIME 2025 | 42.5% | Coming soon | Coming soon |
| AIME26 | 50.0% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between LFM2.5-8B-A1B and Mercury 3?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [LFM2.5-8B-A1B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-lfm2-5-8b-a1b)
- [Mercury 3 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mercury-3)
- [LFM2.5-8B-A1B vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-lfm2-5-8b-a1b)
- [Mercury 3 vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-mercury-3)

## Explore More

- [LFM2.5-8B-A1B profile](/models/lfm2-5-8b-a1b)
- [Mercury 3 profile](/models/mercury-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)