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

Claude 2 vs Kimi-Dev

Anthropic
Claude 2
Moonshot AI
Kimi-Dev
Overview
CompanyAnthropicMoonshot AI
Release dateJul 11 2023Jun 2025
AccessProprietaryOpen Weight
Specifications
Parameters
72B
Timeline
Release gapClaude 2 shipped 691 days before Kimi-Dev

Which is better: Claude 2 or Kimi-Dev?

Claude 2 and Kimi-Dev don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2 shipped 691 days before Kimi-Dev, so benchmark comparisons should account for the intervening progress.

Claude 2 is proprietary, while Kimi-Dev is open weight.

Direct benchmark comparisons are unavailable — Claude 2 and Kimi-Dev don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 2 was released by Anthropic on Jul 11 2023.

Kimi-Dev was released by Moonshot AI on Jun 2025.

Claude 2 is a proprietary model released by Anthropic. Kimi-Dev is an open weight model released by Moonshot AI.

Other comparisons