LLM Perks

Muse Spark 1.1

Free right now Small New
Long context

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.

ProviderContextLimitCard
UnoRouter
muse-spark-1.1:free
1M No-card free models use shared capacity and per-model limits; availability can change. No Open

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!"}]
  }'

Example for UnoRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

Intelligence Index
33.7
GPQA Diamond
89.8%
Humanity's Last Exam
46.2%
Long context (LCR)
77.7%

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.