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

Gemma 1 vs Kimi K2.5

Google
Gemma 1
Moonshot AI
Kimi K2.5
Overview
CompanyGoogleMoonshot AI
Release dateFeb 21 2024Jan 27 2026
AccessOpen WeightOpen Weight
Specifications
Parameters
1T
Context window
256k
Benchmarks
Nonsense detection
BullshitBench v2
52%
Coding
SWE-Bench Verified
76.8%
Agentic coding
CursorBench v3.1
31.9%
Next.js coding
Next.js Evals
21%
Competitive coding
LiveCodeBench
85%
Science
GPQA Diamond
87.6%
Timeline
Release gapGemma 1 shipped 706 days before Kimi K2.5

Which is better: Gemma 1 or Kimi K2.5?

Gemma 1 and Kimi K2.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemma 1 shipped 706 days before Kimi K2.5, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — Gemma 1 and Kimi K2.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemma 1 was released by Google on Feb 21 2024.

Kimi K2.5 was released by Moonshot AI on Jan 27 2026.

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