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

Claude 1 vs Kimi K2.7 Code

Anthropic
Claude 1
Moonshot AI
Kimi K2.7 Code
Overview
CompanyAnthropicMoonshot AI
Release dateMar 14 2023Jun 12 2026
Model type
Open sourceNoYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Timeline
Release gapClaude 1 shipped 1186 days before Kimi K2.7 Code

Which is better: Claude 1 or Kimi K2.7 Code?

Claude 1 and Kimi K2.7 Code don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 1186 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; Claude 1 is proprietary.

Direct benchmark comparisons are unavailable — Claude 1 and Kimi K2.7 Code don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Claude 1 released?
Claude 1 was released by Anthropic on Mar 14 2023.
When was Kimi K2.7 Code released?
Kimi K2.7 Code was released by Moonshot AI on Jun 12 2026.
Is Claude 1 or Kimi K2.7 Code open source?
Kimi K2.7 Code is an open-source / open-weight model released by Moonshot AI. Claude 1 is a proprietary model released by Anthropic.

Other comparisons