AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Gemini 3.5 Flash vs Kimi K2.7 Code

Google
Gemini 3.5 Flash
Moonshot AI
Kimi K2.7 Code
Overview
CompanyGoogleMoonshot AI
Release dateMay 19 2026Jun 12 2026
Model type
Open sourceNoYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Agentic coding
SWE-Bench Pro
55.1%
Agentic terminal coding
Terminal-Bench 2.1
76.2%
Multi-step tool use
MCP Atlas
83.6%
General tool use
Toolathlon
56.5%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
40.2%
Abstract reasoning
ARC-AGI-2
72.1%
Agentic computer use
OSWorld-Verified
78.4%
Agentic financial analysis
Finance Agent v2
57.9%
Knowledge work
GDPval-AA
1656
Chart reasoning
CharXiv Reasoning
84.2%
Multimodal reasoning
MMMU-Pro
83.6%
Spatial reasoning
Blueprint-Bench 2
33.6%
Long context
MRCR v2 (8-needle) · 128k average
77.3%
Long context
MRCR v2 (8-needle) · 1M pointwise
26.6%
Timeline
Release gapGemini 3.5 Flash shipped 24 days before Kimi K2.7 Code

Which is better: Gemini 3.5 Flash or Kimi K2.7 Code?

Gemini 3.5 Flash and Kimi K2.7 Code don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 3.5 Flash shipped 24 days before Kimi K2.7 Code, so benchmark comparisons should account for the intervening progress.

Kimi K2.7 Code is an open-source / open-weight model; Gemini 3.5 Flash is proprietary.

Direct benchmark comparisons are unavailable — Gemini 3.5 Flash and Kimi K2.7 Code don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Gemini 3.5 Flash released?
Gemini 3.5 Flash was released by Google on May 19 2026.
When was Kimi K2.7 Code released?
Kimi K2.7 Code was released by Moonshot AI on Jun 12 2026.
Is Gemini 3.5 Flash or Kimi K2.7 Code open source?
Kimi K2.7 Code is an open-source / open-weight model released by Moonshot AI. Gemini 3.5 Flash is a proprietary model released by Google.

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