Muse Spark 1.1
Muse Spark 1.1 is a language model. It is currently free at 1 provider with up to 1M tokens of context.
- Context
- 1M tokens
- Type
- Text
- License
- Proprietary
- Free since
- October 16, 2026
Where to use Muse Spark 1.1 for free
Each row is a separate free endpoint with its own limits.
Quick start
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer $UNOROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "muse-spark-1.1:free",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(
base_url="https://api.unorouter.com/v1",
api_key="YOUR_UNOROUTER_API_KEY",
)
reply = client.chat.completions.create(
model="muse-spark-1.1:free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.unorouter.com/v1",
apiKey: process.env.UNOROUTER_API_KEY,
});
const reply = await client.chat.completions.create({
model: "muse-spark-1.1:free",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(reply.choices[0].message.content);Example for UnoRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.
Benchmarks
Source: Artificial Analysis · Muse Spark 1.1 (Xhigh)
Similar free models
FAQ
Is Muse Spark 1.1 free?
Yes. As of October 16, 2026, Muse Spark 1.1 is free at UnoRouter. Each provider has its own limits — see the table above.
What is the context window of Muse Spark 1.1?
The largest context among free routes is 1,000,000 tokens. Some providers cap it lower.
How do I call Muse Spark 1.1 via API?
Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID muse-spark-1.1:free, and a UnoRouter key.
How good is Muse Spark 1.1?
Artificial Analysis Intelligence Index: 33.7, GPQA Diamond: 90%. For comparison, the strongest free model in the catalog right now is GLM 5.3.
Is Muse Spark 1.1 open-weight?
No, it is proprietary: access is only through provider APIs.