Kimi K2.5 ThinkingvsMuse Spark 1.1

Kimi K2.5 Thinking leads the overall Podium Score by 3.1 points (73.0 vs 69.9).Category wins: Kimi K2.5 Thinking 0 — 0 Muse Spark 1.1.Kimi K2.5 Thinking is the cheaper pick ($3/M vs $4.25/M per 1M output tokens). Muse Spark 1.1 is faster (208 t/s vs 50 t/s).

Key VerdictAggregated 2026 Benchmark Analysis

Kimi K2.5 Thinking is rated higher overall with a Podium Score of 73.0 (vs 69.9 for Muse Spark 1.1). Both models show closely matched capabilities across domain benchmarks.

Coding & Engineering
Comparable
Inference Speed
Muse Spark 1.1 (208 t/s)
Cost Efficiency
Kimi K2.5 Thinking ($3/M/M)
MetricKimi K2.5 ThinkingMuse Spark 1.1
Podium Score73.0 ▲69.9
Arena Elo1490
Intelligence Index51.0
Coding64.4
Math
Reasoning62.7
Agentic
Knowledge28.1
Multimodal
Long-context99.2
Output speed50 t/s208 t/s ▲
Output price$3/M ▲$4.25/M
Context window128K1000K ▲
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Kimi K2.5 T vs Claude Mythos · Kimi K2.5 T vs Claude Fable 5 · Kimi K2.5 T vs Kimi K3 · Kimi K2.5 T vs Claude Opus 5
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