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

Gemini 1.5 Pro vs Kimi Linear

Google
Gemini 1.5 Pro
Moonshot AI
Kimi Linear
Overview
CompanyGoogleMoonshot AI
Release dateFeb 15 2024Oct 2025
AccessProprietaryOpen Weight
Specifications
Parameters
48B
Timeline
Release gapGemini 1.5 Pro shipped 594 days before Kimi Linear

Which is better: Gemini 1.5 Pro or Kimi Linear?

Gemini 1.5 Pro and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Pro shipped 594 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.

Gemini 1.5 Pro is proprietary, while Kimi Linear is open weight.

Direct benchmark comparisons are unavailable — Gemini 1.5 Pro and Kimi Linear don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 1.5 Pro was released by Google on Feb 15 2024.

Kimi Linear was released by Moonshot AI on Oct 2025.

Gemini 1.5 Pro is a proprietary model released by Google. Kimi Linear is an open weight model released by Moonshot AI.

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