Comprehensive side-by-side LLM comparison
Gemini 1.5 Flash 8B leads with 4.9% higher average benchmark score. Gemini 1.5 Flash 8B offers 792.8K more tokens in context window than Claude Sonnet 4.5. Gemini 1.5 Flash 8B is $17.63 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude Sonnet 4.5 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 75.8% across 9 benchmarks. It excels particularly in MMMLU (89.1%), AIME 2025 (87.0%), TAU-bench Retail (86.2%). 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.
Gemini 1.5 Flash 8B is a multimodal language model developed by Google. It achieves strong performance with an average score of 60.5% across 13 benchmarks. It excels particularly in XSTest (92.6%), FLEURS (86.4%), Natural2Code (75.5%). With a 1.1M 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 Flash 8B
2024-03-15
Claude Sonnet 4.5
Anthropic
2025-09-29
Cost per million tokens (USD)
Claude Sonnet 4.5
Gemini 1.5 Flash 8B
Context window and performance specifications
Average performance across 21 common benchmarks
Claude Sonnet 4.5
Gemini 1.5 Flash 8B
Gemini 1.5 Flash 8B
2024-10-01
Claude Sonnet 4.5
2025-01-31
Available providers and their performance metrics
Claude Sonnet 4.5
Anthropic
ZeroEval
Claude Sonnet 4.5
Gemini 1.5 Flash 8B
Claude Sonnet 4.5
Gemini 1.5 Flash 8B
Gemini 1.5 Flash 8B