---
title: "Muse Spark 1.3 API pricing: ⁨$1.25⁩ in, ⁨$4.25⁩ out · DotsAgent"
description: "Muse Spark 1.3 by Meta: price per million input, cached and output tokens, context window, agent features and what a real agent task costs on it."
url: https://dotsagent.io/models/muse-spark-1-3
---

[Meta](https://dotsagent.io/providers/meta)

· Flagship

# Muse Spark 1.3 API pricing and specs

Meta's model behind the Muse agent, sold through the Meta Model API with image, video and document input and a built-in web search tool.

Input

$1.25

Cached input

$0.15

Output

$4.25

US dollars per million tokens, standard tier, short-prompt rate

A contributor tier costs $0.10 input and $0.20 output per million, but Meta may train on what you send it. Web search costs $2.50 per thousand queries. Standard rate limits are 3,000 requests and 4 million tokens a minute per team.

## Spec sheet

- **API model string**: `muse-spark-1.3`
- **Provider**: [Meta](https://dotsagent.io/providers/meta)
- **Context**: 1M tokens
- **Max output**: —
- **Released**: September 2, 2026
- **Batch API**: No batch discount listed
- **Documented agent features**: Built-in web searchAdjustable reasoningImage input

## What a task costs

Four reference workloads priced at this model's list rates, with caching applied after the first call. Your numbers will differ; the calculator lets you change every assumption.

| Workload | Per task | Per 1,000 tasks |
| --- | --- | --- |
| Support bot 4 calls, short tool lookups | $0.031 | $31 |
| Coding agent 30 calls, files and test output | $1.23 | $1,235 |
| Browser agent 25 calls, screenshots and page text | $0.874 | $874 |
| Research agent 15 calls, long search results | $0.794 | $794 |

[Change the assumptions](https://dotsagent.io/cost#model=muse-spark-1-3)

## Similar cost elsewhere

Models from other providers whose cost on the 30-step coding workload is closest to this one.

- [Grok Build 0.1](https://dotsagent.io/models/grok-build-0-1): $1.16 per coding task

- [Grok 4.3](https://dotsagent.io/models/grok-4-3): $1.31 per coding task

- [Gemini 3.5 Flash](https://dotsagent.io/models/gemini-3-5-flash): $1.54 per coding task

- [Claude Haiku 4.5](https://dotsagent.io/models/claude-haiku-4-5): $0.989 per coding task

## Sources

1. [developer.meta.com](https://developer.meta.com/ai/models/muse-spark/)/ai/models/muse-spark/
2. [ai.developer.meta.com](https://ai.developer.meta.com/docs/pricing-rate-limits.md)/docs/pricing-rate-limits.md
3. [research.meta.ai](https://research.meta.ai/blog/introducing-muse-spark-1-3)/blog/introducing-muse-spark-1-3
4. [developer.meta.com](https://developer.meta.com/ai/resources/blog/build-with-muse-spark/)/ai/resources/blog/build-with-muse-spark/

Independent reference for people who build AI agents. Not affiliated with any vendor named here.

© 2026 DotsAgent · Facts checked October 1, 2026