Qwen3.8 Flash API
Qwen3.8 Flash by Qwen through the RelaySwitch API: $0.1152 per million input tokens, $0.361 per million output tokens. Pay by card or crypto (Card, USDT, USDC, BTC, ETH, SOL). No KYC.
Specs
- Model id
qwen3.8-flash- Developer
- Qwen
- Context window
- 992K tokens
- Max output
- 131K tokens
- Input
- text, image
Call it
curl https://api.relayswitch.io/v1/chat/completions \ -H "Authorization: Bearer $RELAYSWITCH_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "qwen3.8-flash", "messages": [{"role": "user", "content": "Hello"}] }'Any OpenAI SDK works: set the base URL to https://api.relayswitch.io/v1 and the model to qwen3.8-flash. Get a key or read the docs.
Qwen3.8 Flash API key and pricing
One key covers Qwen3.8 Flash 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 qwen3.8-flash 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.
Qwen3.8 Flash: questions
Payment, keys and billing in short.
Run Qwen3.8 Flash today
Top up by card or crypto and send "qwen3.8-flash".