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

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Claude Opus 4.7 vs Kimi K2.6

2 vs 0 benchmarks won

Anthropic
Claude Opus 4.7
Moonshot AI
Kimi K2.6
Overview
CompanyAnthropicMoonshot AI
Release dateApr 16 2026Apr 21 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
94.2%
Software engineering
SWE-Bench Verified
87.6%
Multimodal understanding
MMMU
Timeline
Release gapClaude Opus 4.7 shipped 5 days before Kimi K2.6

Which is better: Claude Opus 4.7 or Kimi K2.6?

Claude Opus 4.7 leads Kimi K2.6 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude Opus 4.7 shipped 5 days before Kimi K2.6, 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 — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Claude Opus 4.7 released?
Claude Opus 4.7 was released by Anthropic on Apr 16 2026.
When was Kimi K2.6 released?
Kimi K2.6 was released by Moonshot AI on Apr 21 2026.

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