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Meta: Muse Spark Open

Meta

Meta: Muse Spark Open by Meta costs $1.25 per 1M input tokens and $4.25 per 1M output tokens, with a 1M-token context window.

Pricing

Input (per 1M tokens)
$1.25
Output (per 1M tokens)
$4.25
Cached input (per 1M)
$0.15

Specifications

Provider
Meta
Context window
1M tokens
Parameters
—
Released
—
Open weights
—
Frontier model
No
Hugging Face
meta-models/Muse-Spark-Open-816B-A42B

Speed & latency

Time to first token
0.37s
Output speed
284 tok/s

Fastest host: baseten (via vercel-ai-gateway).

Compare Meta: Muse Spark Open with…

Meta: Muse Spark Open vs Muse Spark 1.1$4.25/1MMeta: Muse Spark Open vs Muse Spark 1.2$4.25/1MMeta: Muse Spark Open vs Muse Spark 1.3$4.25/1MMeta: Muse Spark Open vs Qwen2.5 VL 32B Instruct$4.20/1MMeta: Muse Spark Open vs o3 Mini$4.40/1MMeta: Muse Spark Open vs o4 Mini$4.40/1M

FAQ

How much does Meta: Muse Spark Open cost?

Meta: Muse Spark Open is priced at $1.25 per 1M input tokens and $4.25 per 1M output tokens. Output tokens cost more than input.

What is Meta: Muse Spark Open's context window?

Meta: Muse Spark Open supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.

Is Meta: Muse Spark Open open weight?

Open-weight status for Meta: Muse Spark Open is not recorded in our dataset.

Data as of 2026-10-16. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.