Comprehensive side-by-side LLM comparison
Gemini 1.5 Pro leads with 38.4% higher average benchmark score. Gemini 1.5 Pro offers 1.8M more tokens in context window than Claude Sonnet 4. Gemini 1.5 Pro is $5.50 cheaper per million tokens. Claude Sonnet 4 is available on 4 providers. Overall, Gemini 1.5 Pro is the stronger choice for coding tasks.
Anthropic
Claude Sonnet 4 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 69.4% across 8 benchmarks. It excels particularly in MMMLU (86.5%), TAU-bench Retail (80.5%), GPQA (75.4%). It supports a 328K token context window for handling large documents. The model is available through 4 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.
Gemini 1.5 Pro is a multimodal language model developed by Google. It achieves strong performance with an average score of 72.6% across 23 benchmarks. It excels particularly in XSTest (98.8%), HellaSwag (93.3%), GSM8k (90.8%). With a 2.1M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents Google's latest advancement in AI technology.
1 year newer
Gemini 1.5 Pro
2024-05-01
Claude Sonnet 4
Anthropic
2025-05-22
Cost per million tokens (USD)
Claude Sonnet 4
Gemini 1.5 Pro
Context window and performance specifications
Average performance across 29 common benchmarks
Claude Sonnet 4
Gemini 1.5 Pro
Gemini 1.5 Pro
2023-11-01
Available providers and their performance metrics
Claude Sonnet 4
Anthropic
Bedrock
ZeroEval
Claude Sonnet 4
Gemini 1.5 Pro
Claude Sonnet 4
Gemini 1.5 Pro
Gemini 1.5 Pro