Muse Spark Open
inworld/models/muse-spark-openMuse Spark Open is a reasoning model by Meta with vision, function calling, prompt caching, structured output — designed for complex, multi-step problem solving where accuracy matters more than speed. It supports a 1M token context window with up to 131K tokens of output. Priced at $1.25 per million input tokens and $4.25 per million output tokens. Access Muse Spark Open through Inworld LLM Inference with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.
- Input
- $1.25
- Output
- $4.25
- Cache read
- $0.15
- Context
- 1M
- Max output
- 131.1K
curl --fail-with-body https://api.inworld.ai/v1/chat/completions \
-H "Authorization: Basic $INWORLD_API_KEY" \
-H 'Content-Type: application/json' \
-d '{
"model": "inworld/models/muse-spark-open",
"messages": [{"role": "user", "content": "Hello"}],
"stream": true
}'Pricing and providers
Access Muse Spark Open through Inworld LLM Inference or speech to speech via Inworld. By using the providers below you agree to their terms, listed under each provider's name in the Legal section.
| Modalities | |||||||
|---|---|---|---|---|---|---|---|
InworldThis pageinworld/models/muse-spark-open | $1.25 | $4.25 | $0.15 | — | 1M | 131.1K | TextImage→Text |
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