# GPT-4.1 mini vs LFM2.5-8B-A1B

> Side-by-side benchmark comparison for GPT-4.1 mini and LFM2.5-8B-A1B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-4-1-mini-vs-lfm2-5-8b-a1b
- Last updated: October 15, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-4.1 mini and LFM2.5-8B-A1B 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.
- GPT-4.1 mini has the larger published context window at 1M.

## Model Snapshot

| Property | GPT-4.1 mini | LFM2.5-8B-A1B |
|----------|----------|----------|
| Creator | OpenAI | LiquidAI |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 128K |
| Independent public score (not head-to-head) | 29.36 | 30.15 |
| Benchmarks Covered | 5 | 7 |
| Pricing (input/output) | $0.40 / $1.60 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-4.1 mini public-lane score: Coming soon
- LFM2.5-8B-A1B public-lane score: Coming soon

| Benchmark | GPT-4.1 mini | LFM2.5-8B-A1B | Winner |
|-----------|-----------|-----------|--------|
| BFCL v4 | Coming soon | 49.7% | Coming soon |
| τ²-bench results | Coming soon | 88.1% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-4.1 mini public-lane score: 16.3 (Estimated · #128/149)
- LFM2.5-8B-A1B public-lane score: Coming soon

| Benchmark | GPT-4.1 mini | LFM2.5-8B-A1B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 23.6% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-4.1 mini public-lane score: 56.1 (Unranked · 2 rankable rows)
- LFM2.5-8B-A1B public-lane score: 25.9 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-4.1 mini public-lane score: 51 (Unranked · 1 rankable row)
- LFM2.5-8B-A1B public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- GPT-4.1 mini public-lane score: 31.4 (Supported · #148/182)
- LFM2.5-8B-A1B public-lane score: 26.4 (Supported · #167/182)

| Benchmark | GPT-4.1 mini | LFM2.5-8B-A1B | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 87.5% | Coming soon | Coming soon |
| GPQA | 64.2% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-4.1 mini public-lane score: 44.2 (#106/146)
- LFM2.5-8B-A1B public-lane score: 36.5 (#121/146)

| Benchmark | GPT-4.1 mini | LFM2.5-8B-A1B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 88.5% | 91.8% | LFM2.5-8B-A1B |
| IFBench | Coming soon | 56.5% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- GPT-4.1 mini public-lane score: 27 (Unranked · 1 rankable row)
- LFM2.5-8B-A1B public-lane score: 24 (Unranked · 3 rankable rows)

| Benchmark | GPT-4.1 mini | LFM2.5-8B-A1B | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 6.667% | Coming soon | Coming soon |
| MATH-500 | Coming soon | 88.8% | Coming soon |
| AIME 2025 | Coming soon | 42.5% | Coming soon |
| AIME26 | Coming soon | 50.0% | Coming soon |

## FAQ

### Is there enough evidence to pick between GPT-4.1 mini and LFM2.5-8B-A1B?

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

- [GPT-4.1 mini vs GPT-4.1](/compare/gpt-4-1-vs-gpt-4-1-mini)
- [LFM2.5-8B-A1B vs GPT-4.1](/compare/gpt-4-1-vs-lfm2-5-8b-a1b)
- [GPT-4.1 mini vs GPT-4.1 nano](/compare/gpt-4-1-mini-vs-gpt-4-1-nano)
- [LFM2.5-8B-A1B vs GPT-4.1 nano](/compare/gpt-4-1-nano-vs-lfm2-5-8b-a1b)

## Explore More

- [GPT-4.1 mini profile](/models/gpt-4-1-mini)
- [LFM2.5-8B-A1B profile](/models/lfm2-5-8b-a1b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)