Gemini 2.5 Flash vs Claude 4.5 Sonnet (thinking)

Detailed comparison of capabilities, features, and performance.

Gemini 2.5 Flash

Gemini 2.5 Flash

Google
VS
Claude 4.5 Sonnet (thinking)

Claude 4.5 Sonnet (thinking)

Anthropic
Feature Gemini 2.5 Flash Claude 4.5 Sonnet (thinking)
AI Lab Google Anthropic
Context Size 1,048,576 tokens 1,000,000 tokens
Max Output Size 64,000 tokens 64,000 tokens
Frontier Model No Yes
Vision Support Yes Yes
Description Multimodal model that is fast, token efficient and performant for complex tasks. 1M context window. The latest Claude 4.5 Sonnet model from Anthropic with maximum reasoning enabled, 200k reasoning tokens in 1M context.

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