Gemini 3.1 Pro API
Gemini 3.1 Pro by Google through the RelaySwitch API: $0.60 per million input tokens, $3.60 per million output tokens. Pay by card or crypto (Card, USDT, USDC, BTC, ETH, SOL). No KYC.
Specs
- Model id
gemini-3.1-pro- Developer
- Google
- Context window
- not published
- Max output
- not published
- Input
- text
Call it
curl https://api.relayswitch.io/v1/chat/completions \ -H "Authorization: Bearer $RELAYSWITCH_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "gemini-3.1-pro", "messages": [{"role": "user", "content": "Hello"}] }'Any OpenAI SDK works: set the base URL to https://api.relayswitch.io/v1 and the model to gemini-3.1-pro. Get a key or read the docs.
Gemini 3.1 Pro API key and pricing
One key covers Gemini 3.1 Pro and every other model in the catalog. Open the console with an email address, top up from $10 by card or in USDT, USDC, BTC, ETH, SOL, create a key, and send gemini-3.1-pro as the model. No identity check, no subscription; the balance moves only when you call.
Costs at the live rates above; input and output billed separately, per token, from the prepaid balance.
Gemini 3.1 Pro in JanitorAI, SillyTavern, Chub and Risu
One 2K-in / 300-out turn on Gemini 3.1 Pro costs $0.0023 at today's rate; a long chat resends its history, so the price grows with the context setting. The model field takes gemini-3.1-pro in every app; only the URL field differs.
JanitorAI
JanitorAI guideProxy URL https://api.relayswitch.io/v1/chat/completionsAPI key sk-relay-...Model gemini-3.1-proSillyTavern
SillyTavern guideCustom Endpoint (Base URL) https://api.relayswitch.io/v1API key sk-relay-...Model gemini-3.1-proChub
Chub guideOpenAI Reverse Proxy URL https://api.relayswitch.io/v1API key sk-relay-...Model gemini-3.1-proRisu
Risu guideURL https://api.relayswitch.io/v1API key sk-relay-...Model gemini-3.1-proThe same price on every model, ranked by use: best models for JanitorAI, SillyTavern and Chub.
No app? Chat with Gemini 3.1 Pro in the browser at Unrestrictable, with characters, images and video and no key to paste.
Gemini 3.1 Pro: questions
Payment, keys and billing in short.
Run Gemini 3.1 Pro today
Top up by card or crypto and send "gemini-3.1-pro".