Kimi K2.5 ThinkingvsSeed 2.0 Pro

Kimi K2.5 Thinking leads the overall Podium Score by 33.0 points (73.0 vs 40.0).Category wins: Kimi K2.5 Thinking 0 — 0 Seed 2.0 Pro.Kimi K2.5 Thinking is the cheaper pick ($3/M vs $3/M per 1M output tokens). Kimi K2.5 Thinking is faster (50 t/s vs 40 t/s).

Key VerdictAggregated 2026 Benchmark Analysis

Kimi K2.5 Thinking is rated higher overall with a Podium Score of 73.0 (vs 40.0 for Seed 2.0 Pro). Both models show closely matched capabilities across domain benchmarks.

Coding & Engineering
Comparable
Inference Speed
Kimi K2.5 Thinking (50 t/s)
Cost Efficiency
Kimi K2.5 Thinking ($3/M/M)
MetricKimi K2.5 ThinkingSeed 2.0 Pro
Podium Score73.0 ▲40.0
Arena Elo1456
Intelligence Index
Coding9.9
Math47.2
Reasoning34.2
Agentic
Knowledge
Multimodal
Long-context13.8
Output speed50 t/s ▲40 t/s
Output price$3/M$3/M
Context window128K131K ▲
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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