Muse Spark 1.1

by Meta

meta/muse-spark-1.1
Input
$1.75/1M tokens
Output
$5.95/1M tokens
Context
1Mtokens
Max output
944Ktokens
Knows to
-
Released
16 Jul 2026

About

Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks.

Pricing

Input$1.75per 1M prompt tokens
Output$5.95per 1M generated tokens, reasoning included
Cached input$0.21per 1M tokens read back from the prompt cache
Web search$0.0035per request that uses the provider’s built-in search

What a request costs

Typical requestEachPer 1,000
Short chat reply1,500 in · 400 out$0.0050$5.00
Question over a long document40,000 in · 800 out$0.075$74.76
Agent tool step20,000 in · 1,200 out$0.042$42.14

At the developer-API rate, before any provider promotion or prompt-cache saving. In the app, the model picker shows what a message costs on your plan before you send it.

Benchmarks

Intelligence33.7#72 of 285
Coding71.3#43 of 163
Agentic25.8#56 of 127

Head-to-head rankings

  1. #8SlidesAgent arenaElo 119452% wins
  2. #8ASCII artModel arenaElo 127756% wins
  3. #11Game devAgent arenaElo 118348% wins
  4. #15SVGModel arenaElo 123549% wins
  5. #17Full stackAgent arenaElo 119945% wins
  6. #18Android appsAgent arenaElo 118747% wins
  7. #19Web appsAgent arenaElo 119949% wins
  8. #22Mobile appsAgent arenaElo 117246% wins
  9. #23CodeModel arenaElo 127951% wins
  10. #23UI componentsModel arenaElo 129051% wins

Scores from Artificial Analysis; bars are scaled to the best model on our list. Rankings from Design Arena head-to-head votes. Published by OpenRouter alongside its catalogue.

Call it from code

OpenAI-compatible: point any OpenAI SDK at https://api.privateer.pro/v1 and set model. Keys are created in the app under Settings.

cURL
curl https://api.privateer.pro/v1/chat/completions \
  -H "Authorization: Bearer $PRIVATEER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "meta/muse-spark-1.1",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'
Python
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.privateer.pro/v1",
    api_key=os.environ["PRIVATEER_API_KEY"],
)
reply = client.chat.completions.create(
    model="meta/muse-spark-1.1",
    messages=[{"role": "user", "content": "Hello"}],
)
print(reply.choices[0].message.content)
JavaScript
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.privateer.pro/v1",
  apiKey: process.env.PRIVATEER_API_KEY,
});
const reply = await client.chat.completions.create({
  model: "meta/muse-spark-1.1",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(reply.choices[0].message.content);

Parameters this model accepts

include_reasoningmax_tokensreasoningreasoning_effortrepetition_penaltyresponse_formatstructured_outputstemperaturetool_choicetoolstop_ktop_p

API reference → · How API billing works →

Prices are USD at the developer-API rate, as of 16 Oct 2026, rebuilt daily from the providers’ live catalogues. ← All models