Google

Gemini 3.5 Flash

Gemini 3.5 Flash by Google through the RelaySwitch API: $1.50 per million input tokens, $9.00 per million output tokens. Pay by card or crypto (Card, Apple Pay, PayPal, USDT, USDC, BTC, ETH, SOL). No KYC.

Input / M$1.50Google list: $1.50
Cached input / Minput rateper million tokens
Output / M$9.00Google list: $9.00

Specs

Model id
gemini-3.5-flash
Developer
Google
Context window
1M tokens
Max output
66K tokens
Input
text, image, audio, video
Released
2026-05-19

Call it

bash
1curl https://api.relayswitch.io/v1/chat/completions \
2 -H "Authorization: Bearer $RELAYSWITCH_KEY" \
3 -H "Content-Type: application/json" \
4 -d '{
5 "model": "gemini-3.5-flash",
6 "messages": [{"role": "user", "content": "Hello"}]
7 }'

Any OpenAI SDK works: set the base URL to https://api.relayswitch.io/v1 and the model to gemini-3.5-flash. Get a key or read the docs.

More from Google

FAQs

Gemini 3.5 Flash: questions

Payment, keys and billing in short.

Open the console

A key in under a minute

Get a key

Or email hello@relayswitch.io

Run Gemini 3.5 Flash today

Top up by card or crypto and send "gemini-3.5-flash".

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