Muse Spark 1.3

Available

A Meta model with a 1M-token context window, image input and tool calling. Available on the Meta Model API.

Access details: Meta Model API

The model ID to use in API requests.

muse-spark-1.3

Updated Oct 20, 2026

Sources & notes

Capabilities & limits

Context window: 1M
Maximum output: —
Image input: Supported
Tool calling: Supported
Structured output: Supported

Pricing

USD / 1M tokens

Input: $1.25
Output: $4.25

Standard rates per million tokens. Discounts and long-context rates, where offered, are on Meta's pricing page.

Full rate card 3 rates

All prices in USD.

Standard input

$1.25 per 1M tokens

Cached input

$0.15 per 1M tokens

Standard output

$4.25 per 1M tokens

Standard mode; no long-context premium. The muse-spark-1.3-contributor ID serves the same model at $0.10 input and $0.20 output in exchange for Meta training on your content.

Price history

Oct 20, 2026

Input $1.25 per million tokens

Oct 20, 2026

Output $4.25 per million tokens

Technical details

Input modalities: Text, image, video, audio, PDF
Output modalities: Text

From Meta

How they describe it

Muse Spark 1.3 is trained for agentic workflows and optimized for competitive coding performance.

Release & lifecycle

First available: —
available: As of Oct 20, 2026