KAT-Coder-Air V2.5 vs Muse Spark 1.2

Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.

Specs & pricing

KAT-Coder-Air V2.5Muse Spark 1.2
CompanyKwaipilotMeta AI
ReleasedJul 2026Aug 2026
Context window256K1.0M
Input /1M tokens$0.15$1.25
Output /1M tokens$0.6$4.25
Open weightsNoNo

Benchmarks

BenchmarkKAT-Coder-Air V2.5Muse Spark 1.2
GPQA90.4%
Hallucination Rate (lower is better)33.3%

Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.