meta · Multimodal

muse-spark-1.3

meta/muse-spark-1.3 id

Muse Spark 1.3 is Meta’s multimodal reasoning model for long-horizon agentic and coding workflows. With a 1M-token context window, reliable tool calling, higher first-attempt accuracy, and native understanding of video, images, and documents, it helps developers build capable coding agents and AI development workflows with fewer unnecessary turns and cleaner output.

ReasoningTool useChatStructured output

Type

Use muse-spark-1.3

# Drop-in OpenAI-compatible client
$ import { generateText } from 'ai'
$ 
$ const { text } = await generateText({
$   model: 'meta/muse-spark-1.3',
$   baseURL: 'https://synapse.garden/api/v1',
$   apiKey: process.env.MG_KEY,
$   prompt: 'Why is the sky blue?',
$ })

1.0M

CONTEXT WINDOW

1.0M

MAX OUTPUT

$1.38/M

INPUT · PER M

$4.68/M

OUTPUT · PER M

PRICING

List prices, every modality.

Rate	Per million tokens · USD
Input	$1.38/M
Output	$4.68/M
Cache read	$0.165/M

Honest list pricesHow we calculate prices

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Input
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Output
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Input
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Output
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Context
1.0M
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Input
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Output
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Context
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FAQ · MUSE-SPARK-1.3

Frequently asked

01 / 04

How do I call muse-spark-1.3 from my code?

Use the OpenAI or Anthropic SDK and point baseURL at https://synapse.garden/api/v1. Set model: ‘meta/muse-spark-1.3’ and supply your Synapse Garden API key. No code changes beyond the base URL.

02 / 04

How much does muse-spark-1.3 cost?

Input: $1.38/M per million tokens. Output: $4.68/M per million tokens. The free tier includes a million tokens every month at no cost.

03 / 04

What's the context window for muse-spark-1.3?

muse-spark-1.3 supports a context window of 1.0M tokens, with a maximum output of 1.0M tokens.

04 / 04

Do I need a separate Anthropic or OpenAI account?

No. Synapse Garden is the single API surface — one key gives you OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI, Cohere, and more. Billing, rate limits, and audit logs are unified.

READY

Try muse-spark-1.3 in three minutes.

Sign up, create a key, drop our base URL into your existing client. The free tier includes a million tokens every month — no credit card.

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