Kimi K3vsKimi K2.5 Instant

Kimi K3 leads the overall Podium Score by 11.3 points (83.3 vs 72.0).Category wins: Kimi K3 0 — 0 Kimi K2.5 Instant.Kimi K2.5 Instant is the cheaper pick ($3/M vs $15/M per 1M output tokens). Kimi K2.5 Instant is faster (50 t/s vs 37 t/s).

Key VerdictAggregated 2026 Benchmark Analysis

Kimi K3 is rated higher overall with a Podium Score of 83.3 (vs 72.0 for Kimi K2.5 Instant). Both models show closely matched capabilities across domain benchmarks.

Coding & Engineering
Comparable
Inference Speed
Kimi K2.5 Instant (50 t/s)
Cost Efficiency
Kimi K2.5 Instant ($3/M/M)
MetricKimi K3Kimi K2.5 Instant
Podium Score83.3 ▲72.0
Arena Elo1485
Intelligence Index57.0
Coding61.5
Math70.9
Reasoning86.5
Agentic100.0
Knowledge19.7
Multimodal83.5
Long-context99.2
Output speed37 t/s50 t/s ▲
Output price$15/M$3/M ▲
Context window1000K ▲128K
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Kimi K3 vs Claude Mythos · Kimi K3 vs Claude Fable 5 · Kimi K3 vs Claude Opus 5 · Kimi K3 vs GPT-5.6 Sol
0 / 4 Models Selected