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

Kimi Chat vs Grok 4.5

Moonshot AI
Kimi Chat
SpaceXAI
Grok 4.5
Overview
CompanyMoonshot AISpaceXAI
Release dateOct 2023Jul 8 2026
AccessProprietaryProprietary
Benchmarks
Agentic coding
SWE-Bench Pro
64.7%
Multilingual coding
SWE-Bench Multilingual
78%
Agentic coding
DeepSWE 1.0
62%
Agentic terminal coding
Terminal-Bench 2.1
83.3%
Timeline
Release gapKimi Chat shipped 1011 days before Grok 4.5

Which is better: Kimi Chat or Grok 4.5?

Kimi Chat and Grok 4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Chat shipped 1011 days before Grok 4.5, 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 — Kimi Chat and Grok 4.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Kimi Chat was released by Moonshot AI on Oct 2023.

Grok 4.5 was released by SpaceXAI on Jul 8 2026.

Other comparisons