Gemini 3.5 Flash vs Claude Sonnet 4.5
Google's high-speed thinking model for agentic workflows, chat, and coding.
High-performance model for real-world agents and coding.
No captured outputs for these models yet.
Frequently Asked Questions: Gemini 3.5 Flash vs Claude Sonnet 4.5▼
Which is better, Gemini 3.5 Flash or Claude Sonnet 4.5?
▼
Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 78.9). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Gemini 3.5 Flash or Claude Sonnet 4.5?
▼
Gemini 3.5 Flash has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. Claude Sonnet 4.5: $3.00 input / $15.00 output.
Which has a larger context window, Gemini 3.5 Flash or Claude Sonnet 4.5?
▼
Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs Claude Sonnet 4.5 at 1M tokens.
Do both Gemini 3.5 Flash and Claude Sonnet 4.5 support vision?
▼
Yes, both Gemini 3.5 Flash and Claude Sonnet 4.5 support vision/image input.
Which has better coding performance, Gemini 3.5 Flash or Claude Sonnet 4.5?
▼
Gemini 3.5 Flash scores higher on SWE-bench Verified: Gemini 3.5 Flash resolves 79% vs Claude Sonnet 4.5 at 71%.
What are the key differences between Gemini 3.5 Flash and Claude Sonnet 4.5?
▼
Key differences: Gemini 3.5 Flash has a notably higher capability index (7.3 point gap). Compare full specs on this page.
Which model should I choose for my use case?
▼
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Gemini 3.5 Flash and Claude Sonnet 4.5 for free on idapt.app to see which performs better for your specific needs.