Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Kimi K2.5 (Reasoning)
76
LFM2.5-8B-A1B
50
Pick Kimi K2.5 (Reasoning) if you want the stronger benchmark profile. LFM2.5-8B-A1B only becomes the better choice if you want the cheaper token bill.
Math
+36.2 difference
Kimi K2.5 (Reasoning)
LFM2.5-8B-A1B
$0.6 / $3
$0 / $0
N/A
N/A
N/A
N/A
128K
128K
Pick Kimi K2.5 (Reasoning) if you want the stronger benchmark profile. LFM2.5-8B-A1B only becomes the better choice if you want the cheaper token bill.
Kimi K2.5 (Reasoning) is clearly ahead on the provisional aggregate, 76 to 50. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Kimi K2.5 (Reasoning)'s sharpest advantage is in mathematics, where it averages 96.1 against 59.9. The single biggest benchmark swing on the page is AIME 2025, 96.1% to 42.5%.
Kimi K2.5 (Reasoning) is also the more expensive model on tokens at $0.60 input / $3.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for LFM2.5-8B-A1B. That is roughly Infinityx on output cost alone.
Kimi K2.5 (Reasoning) is ahead on BenchLM's provisional leaderboard, 76 to 50. The biggest single separator in this matchup is AIME 2025, where the scores are 96.1% and 42.5%.
Kimi K2.5 (Reasoning) has the edge for math in this comparison, averaging 96.1 versus 59.9. Inside this category, AIME 2025 is the benchmark that creates the most daylight between them.
For engineers, researchers, and the plain curious — a weekly brief on new models, ranking shifts, and pricing changes.
Free. No spam. Unsubscribe anytime.