Model Comparison
Comprehensive side-by-side analysis of model capabilities and performance

Claude Opus 4.1
Anthropic
Claude Opus 4.1 is a multimodal language model developed by Anthropic. The model shows competitive results across 8 benchmarks. It excels particularly in MMMLU (98.4%), AIME 2025 (80.2%), MMMU (validation) (64.8%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Anthropic's latest advancement in AI technology.

Kimi K2 Instruct
Moonshot AI
Kimi K2 Instruct is a language model developed by Moonshot AI. It achieves strong performance with an average score of 66.7% across 38 benchmarks. It excels particularly in MATH-500 (97.4%), GSM8k (97.3%), CBNSL (95.6%). It supports a 144K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.

Kimi K2 Instruct
Moonshot AI
2025-01-01

Claude Opus 4.1
Anthropic
2025-08-05
7 months newer
Performance Metrics
Context window and performance specifications

Claude Opus 4.1

Kimi K2 Instruct
Average performance across 3 common benchmarks

Claude Opus 4.1

Kimi K2 Instruct
Performance comparison across key benchmark categories

Claude Opus 4.1

Kimi K2 Instruct
Provider Availability & Performance
Available providers and their performance metrics

Claude Opus 4.1

Kimi K2 Instruct
Novita

Claude Opus 4.1

Kimi K2 Instruct