Kimi K2.5 vs Kimi K3: Specs & Benchmark Comparison

CharacteristicKimi K2.5Kimi K3
CompanyMoonshot AIMoonshot AI
Release DateJanuary 26, 2026July 16, 2026
Parameters1.0T2.8T
MultimodalYesYes
Context (input)1.0M
Context (output)1.0M
Input Price / 1M$3.00
Output Price / 1M$15.00
Average Score0.91.0
Benchmarks
GPQA0.90.9

Visual Benchmark Comparison

Kimi K2.5
Kimi K3
GPQA0.9 vs 0.9
0.9
0.9

Verdict

Kimi K3 leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: Kimi K2.5 — 0.9, Kimi K3 — 1.0.

Recency

Kimi K3 is newer: released 7/16/2026 vs 1/26/2026.

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Frequently Asked Questions

Which is better for coding — Kimi K2.5 or Kimi K3?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Kimi K2.5 or Kimi K3?
API pricing data is available on the individual model pages.
Which has a larger context window — Kimi K2.5 or Kimi K3?
Context window data is available on the individual model pages.

The Kimi K2.5 and Kimi K3 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Kimi K2.5 or Kimi K3 page. See also the complete list of AI model comparisons.