Model Comparison

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

Anthropic

Claude Sonnet 4.5

Anthropic

Claude Sonnet 4.5 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 78.0% across 10 benchmarks. It excels particularly in Tau2 Telecom (98.0%), MMMLU (89.1%), AIME 2025 (87.0%). It supports a 264K token context window for handling large documents. The model is available through 2 API providers. 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-0905

Moonshot AI

Kimi K2-Instruct-0905 is a language model developed by Moonshot AI. It achieves strong performance with an average score of 64.1% across 29 benchmarks. It excels particularly in MATH-500 (97.4%), MMLU-Redux (92.7%), IFEval (89.8%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.

Moonshot AI

Kimi K2-Instruct-0905

Moonshot AI

2025-09-05

Anthropic

Claude Sonnet 4.5

Anthropic

2025-09-29

24 days newer

Performance Metrics

Context window and performance specifications

Anthropic

Claude Sonnet 4.5

Larger context
Max Context:264.0K
Moonshot AI

Kimi K2-Instruct-0905

Max Context:-
Parameters:1.0T

Average performance across 31 common benchmarks

Anthropic

Claude Sonnet 4.5

Average Score:25.2%
Moonshot AI

Kimi K2-Instruct-0905

+33.3%
Average Score:58.4%

Performance comparison across key benchmark categories

Anthropic

Claude Sonnet 4.5

math
+22.0%
87.0%
agents
+15.5%
82.8%
general
+8.1%
78.0%
code
50.0%
Moonshot AI

Kimi K2-Instruct-0905

math
65.0%
agents
67.3%
general
69.9%
code
+6.9%
56.9%
Knowledge Cutoff
Training data recency comparison

Claude Sonnet 4.5

2025-01-31

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

Anthropic

Claude Sonnet 4.5

2 providers

Anthropic

Throughput: 42 tok/s
Latency: 0.4ms

ZeroEval

Throughput: 42 tok/s
Latency: 0.4ms
Moonshot AI

Kimi K2-Instruct-0905

0 providers
Anthropic

Claude Sonnet 4.5

Avg Score:25.2%
Providers:2
Moonshot AI

Kimi K2-Instruct-0905

+33.3%
Avg Score:58.4%
Providers:0