Question 1

What is Gemini 3.8 Flash?

Accepted Answer

Gemini 3.8 Flash is Google's fast, cost-efficient multimodal language model for text and image understanding, tuned for real-time chat, summarization, and coding assistance.

Question 2

How is pricing calculated for Gemini 3.8 Flash?

Accepted Answer

Pricing is token-based at $2.50 per million input tokens and $12.50 per million output tokens, with a minimum charge of $0.0002 per call.

Question 3

Does Gemini 3.8 Flash support image inputs?

Accepted Answer

Yes. Pass an image_url alongside your prompt to ask questions about, summarize, or describe an image in the same request.

Question 4

Can I set a system prompt?

Accepted Answer

Yes, use the system_prompt field to steer the model's tone, persona, or response format across the conversation.

Question 5

How do I choose between the async and streaming endpoints?

Accepted Answer

Use the streaming endpoint (/gemini-3-8-flash/stream) for interactive chat UIs where the user should see the response appear token-by-token. Use the async endpoint (/gemini-3-8-flash) for background jobs, batch processing, and workflow automation.

Question 6

What's the difference between Gemini 3.8 Flash and Gemini 3.7 Flash?

Accepted Answer

Both are fast multimodal chat models in the same family; Gemini 3.8 Flash is Google's newer release with improved reasoning and response quality at the same input/output field structure, so existing integrations built for 3.7 Flash migrate over with no code changes beyond the endpoint name.

Provider	Estimated Rate	Notes
muapiapp	$2.50/M input, $12.50/M output	Token-based billing. Minimum $0.0002 per call.
Fal.ai	Not available	No dedicated Gemini 3.8 Flash endpoint at this time.
Replicate	Not available	No dedicated Gemini 3.8 Flash endpoint at this time.

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