# GPT-4.1 nano vs LFM2.5-VL-450M

> Side-by-side benchmark comparison for GPT-4.1 nano and LFM2.5-VL-450M across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-4-1-nano-vs-lfm2-5-vl-450m
- Last updated: October 5, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-4.1 nano and LFM2.5-VL-450M share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- LFM2.5-VL-450M has the lower published output-token price.
- GPT-4.1 nano has the larger published context window at 1M.

## Model Snapshot

| Property | GPT-4.1 nano | LFM2.5-VL-450M |
|----------|----------|----------|
| Creator | OpenAI | LiquidAI |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 1M | 128K |
| Independent public score (not head-to-head) | 25.69 | null |
| Benchmarks Covered | 4 | 7 |
| Pricing (input/output) | $0.10 / $0.40 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: Coming soon
- LFM2.5-VL-450M public-lane score: Coming soon

| Benchmark | GPT-4.1 nano | LFM2.5-VL-450M | Winner |
|-----------|-----------|-----------|--------|
| BFCL v4 | Coming soon | 21.1% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 12.8 (Estimated · #133/144)
- LFM2.5-VL-450M public-lane score: Coming soon

### Reasoning

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 36.1 (Unranked · 2 rankable rows)
- LFM2.5-VL-450M public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 26.4 (Unranked · 1 rankable row)
- LFM2.5-VL-450M public-lane score: Coming soon

| Benchmark | GPT-4.1 nano | LFM2.5-VL-450M | Winner |
|-----------|-----------|-----------|--------|
| MMMU | Coming soon | 32.7% | Coming soon |
| RealWorldQA | Coming soon | 58.4% | Coming soon |
| CountBench | Coming soon | 73.3% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 24.9 (Supported · #157/171)
- LFM2.5-VL-450M public-lane score: Coming soon

| Benchmark | GPT-4.1 nano | LFM2.5-VL-450M | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 80.1% | Coming soon | Coming soon |
| GPQA | 50.3% | 25.7% | GPT-4.1 nano |
| MMLU-Pro | Coming soon | 19.3% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 34.6 (#110/125)
- LFM2.5-VL-450M public-lane score: Coming soon

| Benchmark | GPT-4.1 nano | LFM2.5-VL-450M | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 83.2% | 61.2% | GPT-4.1 nano |

### Mathematics

- Winner: Insufficient shared evidence
- GPT-4.1 nano public-lane score: 25.4 (Unranked · 1 rankable row)
- LFM2.5-VL-450M public-lane score: Coming soon

| Benchmark | GPT-4.1 nano | LFM2.5-VL-450M | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 1.034% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between GPT-4.1 nano and LFM2.5-VL-450M?

Not yet. The models share only 2 sourced benchmark rows, 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 nano vs GPT-4.1](/compare/gpt-4-1-vs-gpt-4-1-nano)
- [LFM2.5-VL-450M vs GPT-4.1](/compare/gpt-4-1-vs-lfm2-5-vl-450m)
- [GPT-4.1 nano vs GPT-4.1 mini](/compare/gpt-4-1-mini-vs-gpt-4-1-nano)
- [LFM2.5-VL-450M vs GPT-4.1 mini](/compare/gpt-4-1-mini-vs-lfm2-5-vl-450m)

## Explore More

- [GPT-4.1 nano profile](/models/gpt-4-1-nano)
- [LFM2.5-VL-450M profile](/models/lfm2-5-vl-450m)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)