Muse Spark OpenOpen weights
Meta · released 2026-10-15
No price from the maker itself is on record for Muse Spark Open. The lowest of 17 providers is ai&: $1.25 per 1M input tokens and $4.25 per 1M output tokens (as of 2026-11-12). Context window: 1.05M tokens, up to 131K output tokens per request.
Price by providerUSD per 1M tokens
| Provider | Input | Output | Cached | Notes | |
|---|---|---|---|---|---|
Aai&Lowestmeta/ | $1.25 | $4.25 | $0.15 | Lowest | Official docs |
 Cloudflare AI Gatewaymeta/ | $1.25 | $4.25 | $0.15 | Official docs | |
EEden AIfireworks_ | $1.25 | $4.25 | $0.15 | Official docs | |
EEden AInebius/ | $1.25 | $4.25 | $1.25 | Official docs | |
 Fireworks AIaccounts/ | $1.25 | $4.25 | $0.15 | Official docs | |
KKilo Gatewaymeta/ | $1.25 | $4.25 | $0.15 | Official docs | |
MMerge Gatewaymeta/ | $1.25 | $4.25 | $0.15 | Official docs | |
MModalmeta-models/ | $1.25 | $4.25 | $0.15 | Official docs | |
NNanoGPTmeta/ | $1.25 | $4.25 | $0.15 | Official docs | |
 Nebius Token Factorymeta-models/ | $1.25 | $4.25 | $0.15 | Official docs | |
 Ollama Cloudmuse-spark-open | $1.25 | $4.25 | $0.15 | Official docs | |
 OpenRoutermeta/ | $1.25 | $4.25 | $0.15 | Official docs |
6 more listings
| Provider | Input | Output | Cached | Notes | |
|---|---|---|---|---|---|
PPrime Inferencemeta/ | $1.25 | $4.25 | — | Official docs | |
RRequestymuse-spark-open | $1.25 | $4.25 | $0.15 | Official docs | |
 Together AImeta-models/ | $1.25 | $4.25 | $0.15 | Official docs | |
 Vercel AI Gatewaymeta/ | $1.25 | $4.25 | $0.15 | Official docs | |
CCharm Hypermuse-spark-open | $1.4 | $4.65 | $0.17 | Official docs | |
 Venice AImuse-spark-open | $1.5625 | $5.3125 | $0.1875 | Official docs |
Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.
About
Muse Spark Open is an 816B total / 42B active open-weight multimodal reasoning model from Meta for coding and long-horizon agentic work, with 1M-token context.
Description from models.dev.
Specs
- Type
- Text
- Context
- 1.05M
- Max output
- 131K
- Input
- Text, Image
- Output
- Text
- Reasoning
- Yes
- Tool calling
- Yes
- Structured output
- Yes
- Knowledge cutoff
- 2026-01-04
- Open weights
- Yes
- Released
- 2026-10-15
Source
Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.