Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. Claude Sonnet 4 is available on 4 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude Sonnet 4 was created as the balanced offering in the Claude 4 family, designed to provide strong intelligence with practical speed and cost efficiency. Built to serve as a versatile workhorse for diverse applications, it balances advanced capabilities with operational considerations for everyday enterprise and consumer use.
Gemini 2.0 Flash Thinking was developed to incorporate extended reasoning capabilities into the Flash family, designed to combine quick response times with deeper analytical processing. Built to handle tasks requiring both speed and thoughtful problem-solving, it bridges the gap between fast inference and reasoning-enhanced models.
4 months newer

Gemini 2.0 Flash Thinking
2025-01-21

Claude Sonnet 4
Anthropic
2025-05-22
Context window and performance specifications
Average performance across 2 common benchmarks

Claude Sonnet 4

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

Claude Sonnet 4
Anthropic
Bedrock
ZeroEval

Claude Sonnet 4

Gemini 2.0 Flash Thinking

Claude Sonnet 4

Gemini 2.0 Flash Thinking

Gemini 2.0 Flash Thinking