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

Kimi K2.7 Code vs Grok‑1.5

Moonshot AI
Kimi K2.7 Code
SpaceXAI
Grok‑1.5
Overview
CompanyMoonshot AISpaceXAI
Release dateJun 12 2026Mar 29 2024
AccessOpen WeightProprietary
Specifications
Parameters
1T
Context window
256k
Benchmarks
Next.js coding
Next.js Evals
75%
Community preference (code)
Arena Elo (Code)
1469
Timeline
Release gapGrok‑1.5 shipped 805 days before Kimi K2.7 Code

Which is better: Kimi K2.7 Code or Grok‑1.5?

Kimi K2.7 Code and Grok‑1.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1.5 shipped 805 days before Kimi K2.7 Code, so benchmark comparisons should account for the intervening progress.

Kimi K2.7 Code is open weight, while Grok‑1.5 is proprietary.

Direct benchmark comparisons are unavailable — Kimi K2.7 Code and Grok‑1.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Kimi K2.7 Code was released by Moonshot AI on Jun 12 2026.

Grok‑1.5 was released by SpaceXAI on Mar 29 2024.

Kimi K2.7 Code is an open weight model released by Moonshot AI. Grok‑1.5 is a proprietary model released by SpaceXAI.

Other comparisons