Gemini 3.5 Flash

Gemini 3.5 Flash — 最强 Flash 档

Model ID: gemini-3.5-flash · Type: chat · Provider: Google

Endpoints: /v1/chat/completions · /v1/messages

Pricing

Capabilities

• cache
• vision
• thinking
• long_context
• function_calling

from openai import OpenAI

client = OpenAI(api_key="sk-...", base_url="https://api.router.ai/v1")
resp = client.chat.completions.create(
    model="gemini-3.5-flash",
    messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)

FAQ

How much does Gemini 3.5 Flash cost on J8API?

Gemini 3.5 Flash (`gemini-3.5-flash`) is billed per usage at $1.125/1M in · $6.75/1M out, in USD. Current pricing is always listed at https://j8api.com/models/gemini-3.5-flash.

How do I call Gemini 3.5 Flash through J8API?

Send a request to https://api.router.ai/v1/v1/chat/completions with the header `Authorization: Bearer <your API key>` and `"model": "gemini-3.5-flash"`. The API is OpenAI-compatible, so any OpenAI SDK works by changing base_url to https://api.router.ai/v1 — no other code change.

Which endpoints does Gemini 3.5 Flash support?

Gemini 3.5 Flash can be called on: /v1/chat/completions; /v1/messages.

What is Gemini 3.5 Flash's context window?

Gemini 3.5 Flash accepts up to 1,048,576 input tokens and can return up to 65,535 output tokens. Requests exceeding the input limit are rejected before reaching the model.

What can Gemini 3.5 Flash do?

Gemini 3.5 Flash supports: vision, function_calling, prompt_caching, audio_input, cache, thinking, long_context.

Who makes Gemini 3.5 Flash?

Gemini 3.5 Flash is a chat model from Google, available through the J8API gateway with the same API key as every other model.

Call it through the J8API OpenAI-compatible endpoint (API base: https://api.router.ai/v1). AI agents can discover and call every model on this gateway through MCP (https://mcp.router.ai/mcp) with no manual integration.

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