Comprehensive side-by-side LLM comparison
Gemini 1.5 Flash 8B leads with 9.7% higher average benchmark score. Gemini 1.5 Flash 8B offers 728.8K more tokens in context window than Claude Opus 4. Gemini 1.5 Flash 8B is $89.63 cheaper per million tokens. Claude Opus 4 is available on 4 providers. Overall, Gemini 1.5 Flash 8B is the stronger choice for coding tasks.
Anthropic
Claude Opus 4 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 64.6% across 9 benchmarks. It excels particularly in MMMLU (88.8%), TAU-bench Retail (81.4%), GPQA (79.6%). 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 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 Opus 4
Anthropic
2025-05-22
Cost per million tokens (USD)
Claude Opus 4
Gemini 1.5 Flash 8B
Context window and performance specifications
Average performance across 21 common benchmarks
Claude Opus 4
Gemini 1.5 Flash 8B
Gemini 1.5 Flash 8B
2024-10-01
Available providers and their performance metrics
Claude Opus 4
Anthropic
Bedrock
ZeroEval
Claude Opus 4
Gemini 1.5 Flash 8B
Claude Opus 4
Gemini 1.5 Flash 8B
Gemini 1.5 Flash 8B