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Meta · API-only (closed weights)

Muse Ember

Muse Ember is an API-only (closed weights) language model from Meta, released November 9, 2026. The context window is 1M tokens. API price: $0.1 input / $0.5 output per million tokens.

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Lab
Meta
Released
November 9, 2026
Weights
API-only (closed weights)
Parameters
–
Context
1M
Price / M tokens
$0.1 / $0.5 in / out
Epoch ECI
not yet rated

Benchmark results

Epoch AI has not published results for Muse Ember yet. New models are usually evaluated within days to weeks.

More from Meta

Muse Spark Open · Muse Wonder · Muse Wonder Full · Muse Spark 1.3 · Muse Spark 1.3 Contributor · Muse Glimmer · Muse Glimmer 30B assistant · Muse Spark 1.2

Data updated Thu, 12 Nov 2026 09:42 UTC. Benchmarks, Capabilities Index and model announcements: Epoch AI, “Capabilities & benchmarking” and “Data on AI models” (CC BY 4.0); category scores are ModelTape's own fit on Epoch's results. Releases and prices: models.dev (MIT). Sizes and quantizations: Hugging Face. “Runs on” figures are estimates from model size, quantization and memory bandwidth (±30–50%).
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