Muse Spark 1.3 API Pricing

Muse Spark 1.3 by Meta costs $1.25 per million input tokens and $4.25 per million output tokens.

Price verified from Meta's pricing page.

Rates and limits

Input / 1M
$1.25
Output / 1M
$4.25
Cached input / 1M
$0.15
Batch discount
None
Context window
1M tokens
Released
September 2026

Pricing note: First-party Meta Model API price (proprietary model, not open weights). A muse-spark-1.3-contributor tier costs $0.10 in / $0.002 cached / $0.20 out, but Meta may use that traffic to improve its products. Reasoning tokens are billed as output.

What Muse Spark 1.3 costs per month

Token volume split 3:1 between input and output, with no prompt caching.

Tokens per monthInput / outputStandard
1M750K / 250K$2.00
10M7.5M / 2.5M$20.00
100M75M / 25M$200.00
Estimate your own workload with Muse Spark 1.3

Where to run Muse Spark 1.3

Prices above are Meta's direct rates. Cloud platforms can charge differently; the cloud platform view compares them.

Muse Spark 1.3 pricing FAQ

How much does Muse Spark 1.3 cost per million tokens?

Muse Spark 1.3 costs $1.25 per million input tokens and $4.25 per million output tokens, as listed on Meta's pricing page on September 30, 2026.

How much does Muse Spark 1.3 cost for 10 million tokens a month?

About $20.00 a month, assuming 7.5 million input and 2.5 million output tokens with no prompt caching.

What is the context window of Muse Spark 1.3?

Muse Spark 1.3 accepts up to 1,000,000 tokens of context.

Does Muse Spark 1.3 support prompt caching?

Yes. Cached input tokens cost $0.15 per million, 88% less than the standard input rate.

Is there a batch discount for Muse Spark 1.3?

No batch API price is listed for Muse Spark 1.3.

Where can I use the Muse Spark 1.3 API?

Muse Spark 1.3 is available through OpenRouter.

Prices shown as input / output per million tokens. All model prices · Side-by-side comparison