Model Comparison

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

Anthropic

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.

Moonshot AI

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.

Moonshot AI

Kimi K2 Instruct

Moonshot AI

2025-01-01

Anthropic

Claude Opus 4.1

Anthropic

2025-08-05

7 months newer

Performance Metrics

Context window and performance specifications

Anthropic

Claude Opus 4.1

Max Context:-
Moonshot AI

Kimi K2 Instruct

Larger context
Max Context:144.0K
Parameters:1.0T

Average performance across 3 common benchmarks

Anthropic

Claude Opus 4.1

Average Score:33.4%
Moonshot AI

Kimi K2 Instruct

+18.1%
Average Score:51.5%

Performance comparison across key benchmark categories

Anthropic

Claude Opus 4.1

general
44.6%
agents
50.4%
Moonshot AI

Kimi K2 Instruct

general
+17.4%
62.0%
agents
+8.5%
58.8%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores

Provider Availability & Performance

Available providers and their performance metrics

Anthropic

Claude Opus 4.1

0 providers
Moonshot AI

Kimi K2 Instruct

1 providers

Novita

Throughput: 45 tok/s
Latency: 0.95ms
Anthropic

Claude Opus 4.1

Avg Score:33.4%
Providers:0
Moonshot AI

Kimi K2 Instruct

+18.1%
Avg Score:51.5%
Providers:1