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

Kimi K2 Thinking vs Grok‑1

Moonshot AI
Kimi K2 Thinking
SpaceXAI
Grok‑1
Overview
CompanyMoonshot AISpaceXAI
Release dateNov 6 2025Nov 3 2023
AccessOpen WeightOpen Weight
Specifications
Parameters
1T
Context window
256k
Benchmarks
Coding
SWE-Bench Verified
71.3%
Timeline
Release gapGrok‑1 shipped 734 days before Kimi K2 Thinking

Which is better: Kimi K2 Thinking or Grok‑1?

Kimi K2 Thinking and Grok‑1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1 shipped 734 days before Kimi K2 Thinking, 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 K2 Thinking and Grok‑1 don't publish scores on any of the same benchmarks.

Frequently asked questions

Kimi K2 Thinking was released by Moonshot AI on Nov 6 2025.

Grok‑1 was released by SpaceXAI on Nov 3 2023.

Other comparisons