Kie models
Release timeline
When each model was first publicly available.
Claude Sonnet 4.5Sep 29, 2025
Claude Haiku 4.5Oct 15, 2025
Claude Opus 4.5Nov 24, 2025
Claude Opus 4.6Feb 5, 2026
Claude Sonnet 4.6Feb 17, 2026
Claude Opus 4.7Apr 16, 2026
GPT-5.5Apr 23, 2026
Grok 4.3Apr 30, 2026
Claude Opus 4.8May 28, 2026
Claude Fable 5Jun 9, 2026
Claude Sonnet 5Jun 30, 2026
Grok 4.5Jul 8, 2026
GPT-5.6 SolJul 9, 2026
GPT-5.6 TerraJul 9, 2026
GPT-5.6 LunaJul 9, 2026
Kimi K3Jul 16, 2026
Claude Opus 5Jul 24, 2026
Grok 4.6Aug 12, 2026
GPT-6 AstraSep 3, 2026
Claude Opus 5.5Sep 22, 2026
GPT-6 SolSep 22, 2026
GPT-6 LunaSep 22, 2026
Claude Sonnet 5.5Sep 28, 2026
GPT-6.1 SolSep 29, 2026
Claude Sonnet 5.5
Claude Opus 5.5
Claude Opus 5
Claude Fable 5
Claude Sonnet 5
Claude Opus 4.8
Claude Opus 4.7
Claude Opus 4.6
Claude Sonnet 4.6
Claude Opus 4.5
Claude Sonnet 4.5
Claude Haiku 4.5
GPT-6.1 Sol
GPT-6 Astra
GPT-6 Sol
GPT-6 Luna
GPT-5.6 Sol
GPT-5.6 Terra
GPT-5.6 Luna
GPT-5.5
Grok 4.6
Grok 4.5
Grok 4.3
Kimi K3
Frequently asked questions
Sim currently tracks 24 Kie models including Claude Sonnet 5.5, Claude Opus 5.5, Claude Opus 5, Claude Fable 5, Claude Sonnet 5, Claude Opus 4.8, and more.
