Gemini 3 Flash (thinking) vs Claude 4.5 Opus (High)
Detailed comparison of capabilities, features, and performance.
Feature
Gemini 3 Flash (thinking)
Claude 4.5 Opus (High)
Model Image
AI Lab
Google
Anthropic
Context Size
1,048,576 tokens
200,000 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 Opus 4.5 model from Anthropic with high reasoning
Learn more about Gemini 3 Flash (thinking)
View detailed specifications and capabilities
View model details →Learn more about Claude 4.5 Opus (High)
View detailed specifications and capabilities
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