Comprehensive side-by-side LLM comparison
Claude 3 Sonnet leads with 4.0% higher average benchmark score. Claude 3 Sonnet is available on 3 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude 3 Sonnet is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 73.8% across 11 benchmarks. It excels particularly in ARC-C (93.2%), GSM8k (92.3%), HellaSwag (89.0%). It supports a 400K token context window for handling large documents. The model is available through 3 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents Anthropic's latest advancement in AI technology.
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%). 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.
10 months newer
Claude 3 Sonnet
Anthropic
2024-02-29
Kimi-k1.5
Moonshot AI
2025-01-20
Context window and performance specifications
Average performance across 19 common benchmarks
Claude 3 Sonnet
Kimi-k1.5
Available providers and their performance metrics
Claude 3 Sonnet
Anthropic
Bedrock
Claude 3 Sonnet
Kimi-k1.5
Claude 3 Sonnet
Kimi-k1.5
Kimi-k1.5