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Gemini 3.0 Flash vs Kimi K2 (0905)

2 vs 0 benchmarks won

Google
Gemini 3.0 Flash
Moonshot AI
Kimi K2 (0905)
Overview
CompanyGoogleMoonshot AI
Release dateDec 17 2025Sep 5 2025
Model type
Open sourceNoYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Agentic coding
SWE-Bench Pro
49.6%
Coding
SWE-Bench Verified
78%Best
65.8%
Agentic terminal coding
Terminal-Bench 2.1
58%
Multi-step tool use
MCP Atlas
62%
General tool use
Toolathlon
49.4%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
33.7%
Abstract reasoning
ARC-AGI-2
33.6%
Science
GPQA Diamond
90.4%Best
75.1%
Agentic computer use
OSWorld-Verified
65.1%
Agentic financial analysis
Finance Agent v2
42.6%
Knowledge work
GDPval-AA
1204
Chart reasoning
CharXiv Reasoning
80.3%
Multimodal reasoning
MMMU-Pro
81.2%
Spatial reasoning
Blueprint-Bench 2
0%
Long context
MRCR v2 (8-needle) · 128k average
67.2%
Long context
MRCR v2 (8-needle) · 1M pointwise
22.1%
Timeline
Release gapKimi K2 (0905) shipped 103 days before Gemini 3.0 Flash

Which is better: Gemini 3.0 Flash or Kimi K2 (0905)?

Gemini 3.0 Flash leads Kimi K2 (0905) on 2 of the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). Kimi K2 (0905) shipped 103 days before Gemini 3.0 Flash, so benchmark comparisons should account for the intervening progress.

Kimi K2 (0905) is an open-source / open-weight model; Gemini 3.0 Flash is proprietary.

On SWE-Bench Verified, Gemini 3.0 Flash leads at 78% vs Kimi K2 (0905) at 65.8%. On GPQA Diamond, Gemini 3.0 Flash leads at 90.4% vs Kimi K2 (0905) at 75.1%.

Frequently asked questions

When was Gemini 3.0 Flash released?
Gemini 3.0 Flash was released by Google on Dec 17 2025.
When was Kimi K2 (0905) released?
Kimi K2 (0905) was released by Moonshot AI on Sep 5 2025.
Which is better at coding, Gemini 3.0 Flash or Kimi K2 (0905)?
Gemini 3.0 Flash leads on SWE-Bench Verified — Gemini 3.0 Flash 78% vs Kimi K2 (0905) 65.8%.
Which scores higher on GPQA Diamond, Gemini 3.0 Flash or Kimi K2 (0905)?
Gemini 3.0 Flash leads on GPQA Diamond — Gemini 3.0 Flash 90.4% vs Kimi K2 (0905) 75.1%.
Is Gemini 3.0 Flash or Kimi K2 (0905) open source?
Kimi K2 (0905) is an open-source / open-weight model released by Moonshot AI. Gemini 3.0 Flash is a proprietary model released by Google.

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