Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Kimi K2.5 (Reasoning)
77
Laguna XS.2
32
Pick Kimi K2.5 (Reasoning) if you want the stronger benchmark profile. Laguna XS.2 only becomes the better choice if you want the cheaper token bill or you need the larger 131K context window.
Agentic
+24.5 difference
Coding
+23.5 difference
Kimi K2.5 (Reasoning)
Laguna XS.2
$0.6 / $3
$0 / $0
N/A
N/A
N/A
N/A
128K
131K
Pick Kimi K2.5 (Reasoning) if you want the stronger benchmark profile. Laguna XS.2 only becomes the better choice if you want the cheaper token bill or you need the larger 131K context window.
Kimi K2.5 (Reasoning) is clearly ahead on the provisional aggregate, 77 to 32. 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 agentic, where it averages 54.6 against 30.1. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 50.8% to 30.1%.
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 Laguna XS.2. That is roughly Infinityx on output cost alone. Laguna XS.2 gives you the larger context window at 131K, compared with 128K for Kimi K2.5 (Reasoning).
Kimi K2.5 (Reasoning) is ahead on BenchLM's provisional leaderboard, 77 to 32. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 50.8% and 30.1%.
Kimi K2.5 (Reasoning) has the edge for coding in this comparison, averaging 76.8 versus 53.3. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Kimi K2.5 (Reasoning) has the edge for agentic tasks in this comparison, averaging 54.6 versus 30.1. Inside this category, Terminal-Bench 2.0 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.