{"type":"post","id":"meta-s-muse-spark-open-now-available-in-831a6b","slug":"meta-s-muse-spark-open-now-available-in-831a6b","title":"Meta’s Muse Spark Open now available in Amazon SageMaker JumpStart","description":"Thesis: For this deployment, model availability becomes operationally meaningful when a team can place the endpoint in an account it controls and choose a serving configuration.","retrieval_nugget":"Thesis: For this deployment, model availability becomes operationally meaningful when a team can place the endpoint in an account it controls and choose a serving configuration.","published_at":"2026-10-16","updated_at":"2026-10-16","record_date":"2026-10-16","date_kind":"published_at","topics":["open-models","inference"],"source_urls":["https://aws.amazon.com/blogs/machine-learning/metas-muse-spark-open-now-available-in-amazon-sagemaker-jumpstart"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:meta-s-muse-spark-open-now-available-in-831a6b","status":"published","visuals":[],"editorial_provenance":{"schema_version":"newruntime-editorial-copy-v1","content_status":"source_grounded_final","final_copy_sha256":"sha256:4e8cf8c17f9a56c066bf64fb6158d0e2e05a920b666b64cd5c3d20ce0d57074c","reviewed_at":"2026-10-16T04:04:01.495Z","source_evidence_count":1,"verified_claim_count":3,"site_analysis_schema_version":"newruntime-site-analysis-v1","site_object_kind":"field_note","observed_fact_count":3,"implication_count":1,"watch_condition_count":1,"related_record_count":0},"analysis":{"schema_version":"newruntime-site-analysis-v1","object_kind":"field_note","thesis":"For this deployment, model availability becomes operationally meaningful when a team can place the endpoint in an account it controls and choose a serving configuration.","observed_facts":[{"text":"AWS says Muse Spark Open is available through SageMaker JumpStart and can be deployed as an endpoint in the customer’s AWS account.","source_urls":["https://aws.amazon.com/blogs/machine-learning/metas-muse-spark-open-now-available-in-amazon-sagemaker-jumpstart"]},{"text":"JumpStart offers BF16 and NVFP4 variants; AWS lists ml.p6-b300.48xlarge for BF16 and ml.p5e.48xlarge for NVFP4.","source_urls":["https://aws.amazon.com/blogs/machine-learning/metas-muse-spark-open-now-available-in-amazon-sagemaker-jumpstart"]},{"text":"AWS lists a one-million-token context window and launch availability in US East (N. Virginia) and US East (Ohio).","source_urls":["https://aws.amazon.com/blogs/machine-learning/metas-muse-spark-open-now-available-in-amazon-sagemaker-jumpstart"]}],"mechanism":"JumpStart offers two variants, BF16 and NVFP4, with AWS specifying ml.p6-b300.48xlarge for BF16 and ml.p5e.48xlarge for NVFP4.","why_now":"AWS has made this model available through its managed deployment hub, converting an open-weight model into an option teams can evaluate through an existing cloud workflow.","implications":["Teams can evaluate the model in an AWS endpoint while configuring account-level deployment choices, but the source does not establish comparative coding quality, total operating cost, or production performance."],"evidence_boundary":"These are claims and deployment details in AWS’s announcement and walkthrough; they are not independent evaluations.","watch_conditions":["Check whether access expands beyond the two named US East regions and whether teams publish workload-specific quality and cost results."],"related_records":[],"new_branch_reason":"No prior New Runtime record was supplied for this specific SageMaker deployment, so it begins a distinct analytical record."},"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/meta-s-muse-spark-open-now-available-in-831a6b/","markdown":"https://newruntime.com/posts/meta-s-muse-spark-open-now-available-in-831a6b.md","json":"https://newruntime.com/posts/meta-s-muse-spark-open-now-available-in-831a6b.json"},"next_reads":[{"type":"topic","path":"/topics/open-models/","url":"https://newruntime.com/topics/open-models/","title":"Open Models","reason":"Explore the open-models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/open-models.md","json_url":"https://newruntime.com/topics/open-models.json"},{"type":"topic","path":"/topics/inference/","url":"https://newruntime.com/topics/inference/","title":"Inference","reason":"Explore the inference topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/inference.md","json_url":"https://newruntime.com/topics/inference.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}