Qwen

Qwen3.8 Max API

60% under Qwen's list price

Qwen3.8 Max by Qwen through the RelaySwitch API: $0.80 per million input tokens, $2.40 per million output tokens. Pay by card or crypto (Card, USDT, USDC, BTC, ETH, SOL). No KYC.

Input / M$0.80Qwen list: $2.00
Cached input / M$0.60per million tokens
Output / M$2.40Qwen list: $6.00

Specs

Model id
qwen3.8-max
Developer
Qwen
Context window
991K tokens
Max output
66K tokens
Input
text, image

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": "qwen3.8-max",
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 qwen3.8-max. Get a key or read the docs.

Qwen3.8 Max API key and pricing

One key covers Qwen3.8 Max 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-max as the model. No identity check, no subscription; the balance moves only when you call.

A chat turn$0.00282K tokens in, 500 tokens out
A long document$0.044850K tokens in, 2K tokens out
A million tokens$1.60500K in, 500K out

Costs at the live rates above; input and output billed separately, per token, from the prepaid balance.

FAQs

Qwen3.8 Max: 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 Qwen3.8 Max today

Top up by card or crypto and send "qwen3.8-max".