Gemini 4 Carbon API
Gemini 4 Carbon by Google through the RelaySwitch API: $2.3529 per million input tokens, $11.7647 per million output tokens. Pay by card or crypto (Card, USDT, USDC, BTC, ETH, SOL). No KYC.
Specs
- Model id
gemini-4-carbon- 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-4-carbon", "messages": [{"role": "user", "content": "Hello"}] }'Any OpenAI SDK works: set the base URL to https://api.relayswitch.io/v1 and the model to gemini-4-carbon. Get a key or read the docs.
Gemini 4 Carbon API key and pricing
One key covers Gemini 4 Carbon 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-4-carbon 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 4 Carbon in JanitorAI, SillyTavern, Chub and Risu
One 2K-in / 300-out turn on Gemini 4 Carbon costs $0.0082 at today's rate; a long chat resends its history, so the price grows with the context setting. The model field takes gemini-4-carbon in every app; only the URL field differs.
JanitorAI
JanitorAI guideProxy URL https://api.relayswitch.io/v1/chat/completionsAPI key sk-relay-...Model gemini-4-carbonSillyTavern
SillyTavern guideCustom Endpoint (Base URL) https://api.relayswitch.io/v1API key sk-relay-...Model gemini-4-carbonChub
Chub guideOpenAI Reverse Proxy URL https://api.relayswitch.io/v1API key sk-relay-...Model gemini-4-carbonRisu
Risu guideURL https://api.relayswitch.io/v1API key sk-relay-...Model gemini-4-carbonThe same price on every model, ranked by use: best models for JanitorAI, SillyTavern and Chub.
No app? Chat with Gemini 4 Carbon in the browser at Unrestrictable, with characters, images and video and no key to paste.
Gemini 4 Carbon: questions
Payment, keys and billing in short.
Run Gemini 4 Carbon today
Top up by card or crypto and send "gemini-4-carbon".