How much does Muse Spark 1.3 cost?

Muse Spark 1.3 is billed pay-as-you-go at $1.23 per 1M input tokens and $4.17 per 1M output tokens. There is no subscription — you only pay for what you use.

What can Muse Spark 1.3 do?

Muse Spark 1.3 supports Tool calling.

Is Muse Spark 1.3 free to use?

Muse Spark 1.3 is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use Muse Spark 1.3 via the API?

Muse Spark 1.3 is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID muse-spark-1.3 with your Api.Airforce API key.

Who makes Muse Spark 1.3?

Muse Spark 1.3 is Meta's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

MetaPaidOperational

Muse Spark 1.3

API model name: muse-spark-1.3

Muse Spark 1.3 is Meta's chat model, served on the Api.Airforce unified API. Capabilities include Tool calling. It is priced at $1.23 per million input tokens and $4.17 per million output tokens. That is below the provider's $1.25 official input rate. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.

Get an API key View pricing

Pricing

Input / 1M tokens

$1.23

Output / 1M tokens

$4.17

Cache read / 1M tokens

$0.123

Cache write / 1M tokens

$1.23

Official input rate

$1.25

Official output rate

$4.25

Api.Airforce price vs. the provider's official rate.

Specifications

Provider: Meta
Type: chat model

Capabilities

Tool calling

What is Muse Spark 1.3 used for?

Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.
Agents & automation — function calling and tool use for multi-step workflows.

Muse Spark 1.3 vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
Muse Spark 1.3	—	—	$1.23	$4.17
Llama 2 13B	—	—	$1.95	$1.95
Llama 2 70B	—	—	$1.30	$1.30
Llama 2 7B	—	—	$1.30	$1.30

Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.

Muse Spark 1.3 — frequently asked questions

How much does Muse Spark 1.3 cost?: Muse Spark 1.3 is billed pay-as-you-go at $1.23 per 1M input tokens and $4.17 per 1M output tokens. There is no subscription — you only pay for what you use.
What can Muse Spark 1.3 do?: Muse Spark 1.3 supports Tool calling.
Is Muse Spark 1.3 free to use?: Muse Spark 1.3 is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use Muse Spark 1.3 via the API?: Muse Spark 1.3 is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID muse-spark-1.3 with your Api.Airforce API key.
Who makes Muse Spark 1.3?: Muse Spark 1.3 is Meta's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use Muse Spark 1.3 via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass muse-spark-1.3 as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "muse-spark-1.3",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'

Python

from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
    model="muse-spark-1.3",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
  model: "muse-spark-1.3",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);