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Gemini 3.5 Flash vs Claude Opus 4

At a glance

Google's high-speed thinking model for agentic workflows, chat, and coding.

861.0M ctx$1.50/$9.00 per M#11/92

World-class coding model with sustained performance on complex agentic tasks.

75200K ctx$15.00/$75.00 per M#40/92
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter14%Cheaper89%
Capability
CapabilityECI14%86.2
Reasoning & Knowledge
Graduate Science34%92.8%Factual Recall68.4%
Math
Math Problems—Competition Math126%95.6%Research Math769%39.0%
Coding
Real-World Coding12%79.3%Code Editing—
Agentic
Novel Reasoning5576%72.1%
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI75.4
Reasoning & Knowledge
Graduate Science69.2%Factual Recall—
Math
Math Problems85.0%Competition Math42.2%Research Math4.5%
Coding
Real-World Coding70.7%Code Editing70.7%
Agentic
Novel Reasoning1.3%
Specs
1.0M
Context
66K
Max output
May 2026
Released
200K
Context
32K
Max output
May 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input90%$1.50/M tokens
Output88%$9.00/M tokens
Reasoning$9.00/M tokens
Cache read90%$0.15/M tokens
Cache write100%$0.08/M tokens
Image input$1.50/M tokens
Audio input$3.00/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$15.00/M tokens
Output$75.00/M tokens
Cache read$1.50/M tokens
Cache write$18.75/M tokens
Web search29%$0.01/search
Chat with Gemini 3.5 FlashGo to model
Chat with Claude Opus 4Go to model
Frequently Asked Questions: Gemini 3.5 Flash vs Claude Opus 4▼

Which is better, Gemini 3.5 Flash or Claude Opus 4?

▼

Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 75.4). 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 Opus 4?

▼

Gemini 3.5 Flash has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. Claude Opus 4: $15.00 input / $75.00 output.

Which has a larger context window, Gemini 3.5 Flash or Claude Opus 4?

▼

Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs Claude Opus 4 at 200K tokens.

Do both Gemini 3.5 Flash and Claude Opus 4 support vision?

▼

Yes, both Gemini 3.5 Flash and Claude Opus 4 support vision/image input.

Which has better coding performance, Gemini 3.5 Flash or Claude Opus 4?

▼

Gemini 3.5 Flash scores higher on SWE-bench Verified: Gemini 3.5 Flash resolves 79% vs Claude Opus 4 at 71%.

What are the key differences between Gemini 3.5 Flash and Claude Opus 4?

▼

Key differences: Gemini 3.5 Flash has a notably higher capability index (10.8 point gap); Gemini 3.5 Flash is significantly cheaper. 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 Opus 4 for free on idapt.app to see which performs better for your specific needs.

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