{"id":"muse-spark-open","canonicalKey":"meta/muse-spark-open","name":"Muse Spark Open","url":"https://www.aimodel.directory/models/muse-spark-open","lab":{"id":"meta","name":"Meta","url":"https://www.aimodel.directory/labs/meta"},"status":"active","releaseDate":"2026-10-15","deprecationDate":null,"knowledgeCutoff":"2026-01-04","openWeights":true,"license":"muse-model-license","paramsTotal":822036529664,"contextWindow":1048576,"maxOutput":943718,"inputModalities":["text","image","video","pdf","audio"],"outputModalities":["text"],"capabilities":{"reasoning":true,"toolCall":true,"structuredOutput":true},"huggingFace":{"id":"meta-models/Muse-Spark-Open-816B-A42B","downloads":1600,"likes":476},"pricing":[{"provider":"fireworks-ai","providerName":"Fireworks AI","providerModelId":"accounts/fireworks/models/muse-spark-open","currency":"USD","unit":"per 1M tokens","input":1.25,"output":4.25,"cachedInput":0.15,"contextWindow":1048576,"source":"https://github.com/sst/models.dev/blob/dev/providers/fireworks-ai/models/accounts/fireworks/models/muse-spark-open.toml","retrievedAt":"2026-10-17T14:52:34.275Z"},{"provider":"nebius","providerName":"Nebius AI Studio","providerModelId":"meta-models/muse-spark-open","currency":"USD","unit":"per 1M tokens","input":1.25,"output":4.25,"cachedInput":1.25,"contextWindow":1048576,"source":"https://github.com/sst/models.dev/blob/dev/providers/nebius/models/meta-models/muse-spark-open.toml","retrievedAt":"2026-10-17T14:52:34.275Z"},{"provider":"openrouter","providerName":"OpenRouter","providerModelId":"meta/muse-spark-open","currency":"USD","unit":"per 1M tokens","input":1.25,"output":4.25,"cachedInput":0.15,"contextWindow":1048576,"source":"https://openrouter.ai/meta/muse-spark-open","retrievedAt":"2026-10-17T14:52:37.080Z"},{"provider":"vercel","providerName":"Vercel AI Gateway","providerModelId":"meta/muse-spark-open","currency":"USD","unit":"per 1M tokens","input":1.25,"output":4.25,"cachedInput":0.15,"contextWindow":1048576,"source":"https://github.com/sst/models.dev/blob/dev/providers/vercel/models/meta/muse-spark-open.toml","retrievedAt":"2026-10-17T14:52:34.275Z"}],"factSources":{"hfId":{"url":"https://openrouter.ai/meta/muse-spark-open","source":"openrouter","retrievedAt":"2026-10-16T11:19:02.706Z"},"name":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"family":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"status":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"license":{"url":"https://huggingface.co/meta-models/Muse-Spark-Open-816B-A42B","source":"huggingface","retrievedAt":"2026-10-17T14:52:38.721Z"},"toolCall":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"maxOutput":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"reasoning":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"attachment":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"description":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"hfDownloads":{"url":"https://huggingface.co/meta-models/Muse-Spark-Open-816B-A42B","source":"huggingface","retrievedAt":"2026-10-17T14:52:38.721Z"},"lastUpdated":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"openWeights":{"url":"https://huggingface.co/meta-models/Muse-Spark-Open-816B-A42B","source":"huggingface","retrievedAt":"2026-10-17T14:52:38.721Z"},"paramsTotal":{"url":"https://huggingface.co/meta-models/Muse-Spark-Open-816B-A42B","source":"huggingface","retrievedAt":"2026-10-17T14:52:38.721Z"},"releaseDate":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"contextWindow":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"inputModalities":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"knowledgeCutoff":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"outputModalities":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"},"structuredOutput":{"url":"https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/meta/muse-spark-open.toml","source":"models.dev","retrievedAt":"2026-10-17T14:52:34.275Z"}},"lastVerified":"2026-10-17T14:52:38.721Z","dataLicense":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","attribution":"AI Model Directory (https://www.aimodel.directory/models/muse-spark-open)"}}