Kimi K2.5 ThinkingvsSeed Oss 36b Instruct

Kimi K2.5 Thinking leads the overall Podium Score by 54.5 points (73.0 vs 18.5).Category wins: Kimi K2.5 Thinking 0 — 0 Seed Oss 36b Instruct.Kimi K2.5 Thinking is the cheaper pick ($3/M vs $3/M per 1M output tokens). Seed Oss 36b Instruct is faster (60 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 18.5 for Seed Oss 36b Instruct). Both models show closely matched capabilities across domain benchmarks.

Coding & Engineering
Comparable
Inference Speed
Seed Oss 36b Instruct (60 t/s)
Cost Efficiency
Kimi K2.5 Thinking ($3/M/M)
MetricKimi K2.5 ThinkingSeed Oss 36b Instruct
Podium Score73.0 ▲18.5
Arena Elo
Intelligence Index
Coding40.0
Math
Reasoning35.0
Agentic
Knowledge45.0
Multimodal30.0
Long-context
Output speed50 t/s60 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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