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Claude 3 Opus vs Kimi K1.5

2 vs 0 benchmarks won

Anthropic
Claude 3 Opus
Moonshot AI
Kimi K1.5
Overview
CompanyAnthropicMoonshot AI
Release dateMar 4 2024Jan 20 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
128k
Benchmarks
Science reasoning
GPQA Diamond
50.4%
Software engineering
SWE-Bench Verified
33%
Multimodal understanding
MMMU
Timeline
Release gapClaude 3 Opus shipped 322 days before Kimi K1.5

Which is better: Claude 3 Opus or Kimi K1.5?

Claude 3 Opus leads Kimi K1.5 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude 3 Opus shipped 322 days before Kimi K1.5, 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 — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Claude 3 Opus released?
Claude 3 Opus was released by Anthropic on Mar 4 2024.
When was Kimi K1.5 released?
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.

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