500 million input and 50 million output tokens a month for $0.99.See the subscription  ↗

model apis · chat / llm

Muse Spark Open 816B A42B API●

Run Muse Spark Open 816B A42B by Meta through one OpenAI-compatible endpoint. Pay per use against your deeprelay balance. No instance to rent, no deployment to manage.

Available now

Muse Spark Open 816B A42B API pricing

Live catalog rates, billed per use against your deeprelay balance, no minimums. Muse Spark Open 816B A42B is priced per use rather than included in the $0.99-a-month flat plan.

TierRate
Serverless
Input tokens: $1.25 / 1MCached input tokens: $0.15 / 1MOutput tokens: $4.25 / 1M

rates are read every few minutes from the live model catalog and metered per request

Measured speed

Time to first token (p50)
164 ms
Output speed (p50)
165 tokens/s

Last 7 days · as of UTC

Call Muse Spark Open 816B A42B in one request

Any OpenAI SDK works: set the base URL to https://api.deeprelay.ai/v1 and use your deeprelay API key.

curl
curl https://api.deeprelay.ai/v1/chat/completions \
  -H "Authorization: Bearer $DEEPRELAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deeprelay/muse-spark-open-816b-a42b",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Python (OpenAI SDK)
from openai import OpenAI

client = OpenAI(
    base_url="https://api.deeprelay.ai/v1",
    api_key="YOUR_DEEPRELAY_API_KEY",
)

response = client.chat.completions.create(
    model="deeprelay/muse-spark-open-816b-a42b",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
JavaScript (OpenAI SDK)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.deeprelay.ai/v1",
  apiKey: process.env.DEEPRELAY_API_KEY,
});

const response = await client.chat.completions.create({
  model: "deeprelay/muse-spark-open-816b-a42b",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Muse Spark Open 816B A42B on deeprelay

Model iddeeprelay/muse-spark-open-816b-a42b
ModalityChat / LLM
AuthorMeta
Context window1,048,576 tokens
Streaming–
Aliases–
Flat planNot included: pay as you go

faq

Muse Spark Open 816B A42B API questions●

How much does the Muse Spark Open 816B A42B API cost?

Muse Spark Open 816B A42B on deeprelay currently costs $1.25 / 1M (input tokens), $0.15 / 1M (cached input tokens), $4.25 / 1M (output tokens), billed against your deeprelay balance as you go. There are no minimums. It is priced per use rather than included in the $0.99-a-month flat plan, which covers a named set of models.

Is the Muse Spark Open 816B A42B API OpenAI-compatible?

Yes. Point any OpenAI SDK at https://api.deeprelay.ai/v1 with a deeprelay API key and request model "deeprelay/muse-spark-open-816b-a42b". No proprietary client needed.

What is the context window of Muse Spark Open 816B A42B?

Muse Spark Open 816B A42B supports a 1,048,576-token context window on deeprelay.

How does billing work?

Chat models bill per input and output token at the listed per-million-token rates, metered per request against your deeprelay balance. Where a cached-input rate is listed, the part of a prompt the serving partner answers from its prompt cache (reported as prompt_tokens_details.cached_tokens) bills at that lower rate instead of the input rate.