Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 17.5% higher average benchmark score. Gemini 2.0 Flash offers 728.8K more tokens in context window than Claude Opus 4. Gemini 2.0 Flash is $89.50 cheaper per million tokens. Claude Opus 4 is available on 4 providers. Overall, Claude Opus 4 is the stronger choice for coding tasks.
Anthropic
Claude Opus 4 was developed as the flagship model in the Claude 4 generation, designed to push the boundaries of AI capability in complex reasoning, analysis, and multi-step problem-solving. Built to handle the most demanding enterprise tasks, it represents Anthropic's highest tier of intelligence and capability.
Gemini 2.0 Flash was developed as the next generation of Google's fast multimodal model, designed to provide improved performance while maintaining the speed and efficiency that defines the Flash family. Built with enhanced reasoning and generation capabilities, it serves applications requiring both quality and responsiveness.
5 months newer

Gemini 2.0 Flash
2024-12-01

Claude Opus 4
Anthropic
2025-05-22
Cost per million tokens (USD)

Claude Opus 4

Gemini 2.0 Flash
Context window and performance specifications
Average performance across 1 common benchmarks

Claude Opus 4

Gemini 2.0 Flash
Gemini 2.0 Flash
2024-08-01
Available providers and their performance metrics

Claude Opus 4
Anthropic
Bedrock
ZeroEval

Claude Opus 4

Gemini 2.0 Flash

Claude Opus 4

Gemini 2.0 Flash

Gemini 2.0 Flash