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-k1.5

Moonshot AI

Kimi-k1.5 is a multimodal language model developed by Moonshot AI. This model demonstrates exceptional performance with an average score of 81.7% across 9 benchmarks. It excels particularly in MATH-500 (96.2%), CLUEWSC (91.4%), C-Eval (88.3%). The model shows particular specialization in math tasks with an average performance of 85.5%. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.

Moonshot AI

Kimi-k1.5

Moonshot AI

2025-01-20

Anthropic

Claude Sonnet 4.5

Anthropic

2025-09-29

8 months newer

Performance Metrics

Context window and performance specifications

Anthropic

Claude Sonnet 4.5

Larger context
Max Context:264.0K
Moonshot AI

Kimi-k1.5

Max Context:-

Average performance across 19 common benchmarks

Anthropic

Claude Sonnet 4.5

+2.4%
Average Score:41.1%
Moonshot AI

Kimi-k1.5

Average Score:38.7%

Performance comparison across key benchmark categories

Anthropic

Claude Sonnet 4.5

math
+1.5%
87.0%
general
78.0%
code
50.0%
vision
+7.8%
77.8%
Moonshot AI

Kimi-k1.5

math
85.5%
general
+7.5%
85.4%
code
+29.3%
79.3%
vision
70.0%
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-k1.5

0 providers
Anthropic

Claude Sonnet 4.5

+2.4%
Avg Score:41.1%
Providers:2
Moonshot AI

Kimi-k1.5

Avg Score:38.7%
Providers:0