Muse Spark 1.2 API

Meta's Muse Spark 1.2: multimodal chat model with 1M-token context, vision input, reasoning and tool calling.
Context
1M tokens
Input
$1.625 / 1M
Output
$5.525 / 1M
Released
Aug 5, 2026

How to use Muse Spark 1.2 API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to meta/muse-spark-1.2.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "meta/muse-spark-1.2",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "meta/muse-spark-1.2",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"meta/muse-spark-1.2","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Muse Spark 1.2 API Pricing

TypePrice
Input
$1.625 / 1M tokens
Output
$5.525 / 1M tokens

Muse Spark 1.2 vs other models

ModelInputOutputContextBest for
$1.625 / 1M
$5.525 / 1M
1M tokens
Long-context multimodal reasoning and tool use
$6.5 / 1M
$39 / 1M
1M tokens
Frontier reasoning + agents
$1.95 / 1M
$9.75 / 1M
1.05M tokens
Reasoning + agents
$6.50 / 1M
$32.50 / 1M
1M tokens
Complex agentic coding and enterprise workflows
$3.9 / 1M
$19.5 / 1M
1M tokens
Long-context, multimodal & agentic workflows

Start building with Muse Spark 1.2

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1000+ models, one API.