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 0905

Moonshot AI

Kimi K2 0905 is a language model developed by Moonshot AI. This model demonstrates exceptional performance with an average score of 84.0% across 6 benchmarks. It excels particularly in HumanEval (94.5%), MMLU (90.2%), MATH (89.1%). It supports a 524K token context window for handling large documents. The model is available through 2 API providers. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.

Moonshot AI

Kimi K2 0905

Moonshot AI

2025-09-05

Anthropic

Claude Sonnet 4.5

Anthropic

2025-09-29

24 days newer

Pricing Comparison

Cost per million tokens (USD)

Anthropic

Claude Sonnet 4.5

Input:$3.00
Output:$15.00
Moonshot AI

Kimi K2 0905

$14.90 cheaper
Input:$0.60
Output:$2.50

Performance Metrics

Context window and performance specifications

Anthropic

Claude Sonnet 4.5

Max Context:264.0K
Moonshot AI

Kimi K2 0905

Larger context
Max Context:524.3K
Parameters:1.0T

Average performance across 15 common benchmarks

Anthropic

Claude Sonnet 4.5

+18.4%
Average Score:52.0%
Moonshot AI

Kimi K2 0905

Average Score:33.6%

Performance comparison across key benchmark categories

Anthropic

Claude Sonnet 4.5

code
50.0%
math
87.0%
general
78.0%
Moonshot AI

Kimi K2 0905

code
+44.5%
94.5%
math
+2.1%
89.1%
general
+2.2%
80.1%
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 0905

2 providers

Novita

ZeroEval

Anthropic

Claude Sonnet 4.5

+18.4%
Avg Score:52.0%
Providers:2
Moonshot AI

Kimi K2 0905

Avg Score:33.6%
Providers:2