GPT-4.1 mini vs LFM2.5-VL-450M
Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
GPT-4.1 mini leads for most workloads.
Based on BenchLM composite scores, July 2026.
GPT-4.1 mini
44
LFM2.5-VL-450M
35
Pick GPT-4.1 mini if you want the stronger benchmark profile. LFM2.5-VL-450M only becomes the better choice if you want the cheaper token bill.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | GPT-4.1 mini | Δ | LFM2.5-VL-450M |
|---|---|---|---|
| Knowledge | 64.2 | ← 43.7 | 20.5 |
| Inst. Following | 88.5 | ← 27.3 | 61.2 |
| Coding | 23.6 | — | — |
Operational Comparison
GPT-4.1 mini
LFM2.5-VL-450M
$0.4 / $1.6
$0 / $0
80 t/s
N/A
0.76s
N/A
1M
128K
Quick Verdict
Pick GPT-4.1 mini if you want the stronger benchmark profile. LFM2.5-VL-450M only becomes the better choice if you want the cheaper token bill.
GPT-4.1 mini is clearly ahead on the provisional aggregate, 44 to 35. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-4.1 mini's sharpest advantage is in knowledge, where it averages 64.2 against 20.5. The single biggest benchmark swing on the page is GPQA, 64.2% to 25.7%.
GPT-4.1 mini is also the more expensive model on tokens at $0.40 input / $1.60 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for LFM2.5-VL-450M. That is roughly Infinityx on output cost alone. GPT-4.1 mini gives you the larger context window at 1M, compared with 128K for LFM2.5-VL-450M.
Benchmark Deep Dive
Frequently Asked Questions (3)
Which is better, GPT-4.1 mini or LFM2.5-VL-450M?
GPT-4.1 mini is ahead on BenchLM's provisional leaderboard, 44 to 35. The biggest single separator in this matchup is GPQA, where the scores are 64.2% and 25.7%.
Which is better for knowledge tasks, GPT-4.1 mini or LFM2.5-VL-450M?
GPT-4.1 mini has the edge for knowledge tasks in this comparison, averaging 64.2 versus 20.5. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Which is better for instruction following, GPT-4.1 mini or LFM2.5-VL-450M?
GPT-4.1 mini has the edge for instruction following in this comparison, averaging 88.5 versus 61.2. Inside this category, IFEval is the benchmark that creates the most daylight between them.
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