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Gemini 3.8 Flash vs Claude Haiku 5.5

At a glance

Google's most intelligent Flash model, with significant gains over 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.

1.0M ctx$0.75/$3.75 per M

Anthropic's fast, low-cost Claude Haiku for high-volume work, succeeding Claude Haiku 4.5.

1M ctx$0.10/$0.50 per M
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
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Reasoning & Knowledge
Graduate Science95.4%Factual Recall69.7%
Math
Competition Math98.9%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper87%
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Specs
1.0M
Context
66K
Max output
Sep 2026
Released
1M
Context
128K
Max output
Oct 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$0.75/M tokens
Output$3.75/M tokens
Reasoning$3.75/M tokens
Cache read$0.07/M tokens
Cache write67%$0.04/M tokens
Image input$0.75/M tokens
Audio input$0.75/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input87%$0.10/M tokens
Output87%$0.50/M tokens
Cache read87%$0.01/M tokens
Cache write$0.13/M tokens
Web search29%$0.01/search
Chat with Gemini 3.8 FlashGo to model
Chat with Claude Haiku 5.5Go to model
Frequently Asked Questions: Gemini 3.8 Flash vs Claude Haiku 5.5▼

Which is better, Gemini 3.8 Flash or Claude Haiku 5.5?

▼

Both Gemini 3.8 Flash and Claude Haiku 5.5 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Gemini 3.8 Flash or Claude Haiku 5.5?

▼

Claude Haiku 5.5 has a lower blended cost. Gemini 3.8 Flash: $0.75 input / $3.75 output. Claude Haiku 5.5: $0.10 input / $0.50 output.

Which has a larger context window, Gemini 3.8 Flash or Claude Haiku 5.5?

▼

Gemini 3.8 Flash has a larger context window: Gemini 3.8 Flash supports 1M tokens vs Claude Haiku 5.5 at 1M tokens.

Do both Gemini 3.8 Flash and Claude Haiku 5.5 support vision?

▼

Yes, both Gemini 3.8 Flash and Claude Haiku 5.5 support vision/image input.

What are the key differences between Gemini 3.8 Flash and Claude Haiku 5.5?

▼

Key differences: Claude Haiku 5.5 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 3.8 Flash and Claude Haiku 5.5 for free on idapt.app to see which performs better for your specific needs.

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