Meta

Muse Spark Open API

Muse Spark Open by Meta through the RelaySwitch API: $4.375 per million input tokens, $14.875 per million output tokens. Pay by card or crypto (Card, USDT, USDC, BTC, ETH, SOL). No KYC.

Input / M$4.375per million tokens
Cached input / M$0.525per million tokens
Output / M$14.875per million tokens

Specs

Model id
muse-spark-open
Developer
Meta
Context window
1M tokens
Max output
not published
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": "muse-spark-open",
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 muse-spark-open. Get a key or read the docs.

Muse Spark Open API key and pricing

One key covers Muse Spark Open 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 muse-spark-open as the model. No identity check, no subscription; the balance moves only when you call.

A chat turn$0.01622K tokens in, 500 tokens out
A long document$0.248550K tokens in, 2K tokens out
A million tokens$9.625500K in, 500K out

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

FAQs

Muse Spark Open: 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 Muse Spark Open today

Top up by card or crypto and send "muse-spark-open".