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Gemini 3 Flash (thinking) vs Claude 4.5 Sonnet

Detailed comparison of capabilities, features, and performance.

Gemini 3 Flash (thinking)

Gemini 3 Flash (thinking)

Google
VS
Claude 4.5 Sonnet

Claude 4.5 Sonnet

Anthropic
Feature Gemini 3 Flash (thinking) Claude 4.5 Sonnet
AI Lab Google Anthropic
Context Size 1,048,576 tokens 1,000,000 tokens
Max Output Size 65,536 tokens 64,000 tokens
Frontier Model Yes Yes
Vision Support Yes Yes
Description Gemini 3 Flash with thinking enabled. Thinking level high for deeper reasoning while maintaining Flash-level speed. The latest Claude 4.5 Sonnet model from Anthropic with a 1M token context window.

Learn more about Gemini 3 Flash (thinking)

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Learn more about Claude 4.5 Sonnet

View detailed specifications and capabilities

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