Kimi K2.5vsKimi K2 Thinking
Across 9 shared benchmarks, Kimi K2.5 leads overall: Kimi K2.5 wins 5, Kimi K2 Thinking wins 4, with 0 ties and an average score difference of +0.39.
Kimi K2.5
Moonshot AI · 2026-01-27 · Multimodal model
Kimi K2 Thinking
Moonshot AI · 2025-11-06 · Reasoning model
Kimi K2.55 wins(56%)(44%)4 winsKimi K2 Thinking
Benchmark scores
Grouped by capability, sorted by largest gap within each. 9 shared benchmarks.
General Knowledge
Kimi K2 Thinking 2/3| Benchmark | Kimi K2.5 | Kimi K2 Thinking | Diff |
|---|---|---|---|
| MMLU Pro | 78.5066 / 126Thinking (No Tools) | 84.6032 / 126 | -6.10 |
| GPQA Diamond | 87.6034 / 178Thinking (No Tools) | 84.5052 / 178 | +3.10 |
| HLE | 50.2020 / 157Thinking (With Tools) | 5116 / 157 | -0.80 |
Coding and Software Engineer
Kimi K2.5 2/2| Benchmark | Kimi K2.5 | Kimi K2 Thinking | Diff |
|---|---|---|---|
| SWE-bench Verified | 76.8027 / 108Thinking (With Tools) | 71.3051 / 108 | +5.50 |
| LiveCodeBench | 8516 / 120Thinking (No Tools) | 83.1022 / 120 | +1.90 |
Math and Reasoning
Even 2/2| Benchmark | Kimi K2.5 | Kimi K2 Thinking | Diff |
|---|---|---|---|
| FrontierMath - Tier 4 | 4.2040 / 80Normal (No Tools) | 072 / 80Thinking (No Tools) | +4.20 |
| AIME2025 | 96.1021 / 106Thinking (No Tools) | 1001 / 106 | -3.90 |
AI Agent - Information Search
Kimi K2.5 1/1| Benchmark | Kimi K2.5 | Kimi K2 Thinking | Diff |
|---|---|---|---|
| BrowseComp | 60.6029 / 45Thinking (With Tools + Internet) | 60.2030 / 45 | +0.40 |
Claw-style Agent Evaluation
Kimi K2 Thinking 1/1| Benchmark | Kimi K2.5 | Kimi K2 Thinking | Diff |
|---|---|---|---|
| Claw Bench | 81.7018 / 29Thinking (With Tools) | 82.5017 / 29Thinking (With Tools) | -0.80 |
Specs
| Field | Kimi K2.5 | Kimi K2 Thinking |
|---|---|---|
| Publisher | Moonshot AI | Moonshot AI |
| Release date | 2026-01-27 | 2025-11-06 |
| Model type | Multimodal model | Reasoning model |
| Architecture | MoE | MoE |
| Parameters | 1T | 1T |
| Context length | 256K | 256K |
| Max output | 16K | Not available |
Summary
- Kimi K2.5leads in:Coding and Software Engineer (2/2), AI Agent - Information Search (1/1)
- Kimi K2 Thinkingleads in:General Knowledge (2/3), Claw-style Agent Evaluation (1/1)
- Tied in:Math and Reasoning
On average across the 9 shared benchmarks, Kimi K2.5 scores 0.39 higher.
Largest single-benchmark gap: MMLU Pro — Kimi K2.5 78.50 vs Kimi K2 Thinking 84.60 (-6.10).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.