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

Kimi-VL vs GPT-5.1-Codex-Max

Moonshot AI
Kimi-VL
OpenAI
GPT-5.1-Codex-Max
Overview
CompanyMoonshot AIOpenAI
Release dateApr 2025Nov 19 2025
AccessOpen WeightProprietary
Specifications
Parameters
16B
Timeline
Release gapKimi-VL shipped 232 days before GPT-5.1-Codex-Max

Which is better: Kimi-VL or GPT-5.1-Codex-Max?

Kimi-VL and GPT-5.1-Codex-Max don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi-VL shipped 232 days before GPT-5.1-Codex-Max, so benchmark comparisons should account for the intervening progress.

Kimi-VL is open weight, while GPT-5.1-Codex-Max is proprietary.

Direct benchmark comparisons are unavailable — Kimi-VL and GPT-5.1-Codex-Max don't publish scores on any of the same benchmarks.

Frequently asked questions

Kimi-VL was released by Moonshot AI on Apr 2025.

GPT-5.1-Codex-Max was released by OpenAI on Nov 19 2025.

Kimi-VL is an open weight model released by Moonshot AI. GPT-5.1-Codex-Max is a proprietary model released by OpenAI.

Other comparisons