Does Muse Spark 1.3 support zero data retention?

Not by default. See the per-route data-handling section for each route's logging stance and retention window.

Where is Muse Spark 1.3 hosted?

Muse Spark 1.3 is available on multi-region hosting through the Opper gateway. See the per-route table for details.

Is Muse Spark 1.3 trained on prompts and outputs?

No. Every hosting route for Muse Spark 1.3 is configured so customer prompts and outputs are not used to train models by default.

Is a GDPR DPA available for Muse Spark 1.3?

Yes. A GDPR Data Processing Agreement is available on at least one route serving Muse Spark 1.3. Contact hello@opper.ai to receive it.

Muse Spark 1.3

by Meta

Meta Muse Spark 1.3 on the Meta Model API (Standard tier — no training on customer content)

Open in playground Try in chat Compare

Key info

Input

Output

Features

Context window

Max output

—

Input price

$1.25 /1M

Output price

$4.25 /1M

No training by default
GDPR DPA available

Available routes

Muse Spark 1.3 runs on 1 route through the Opper gateway. Compare residency, ZDR, and training posture at a glance — full data-handling detail per route below.

Provider	Region	Zero data retention	Training	Input	Output
Meta	Multi	Not by default	No	$1.25	$4.25

Data handling per route

Each route hosting Muse Spark 1.3 has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.

Meta — Multi-region

Zero data retention is not on by default — abuse monitoring. No training on customer data. GLOBAL; SCCs; DPA available.

Zero data retention: Not by default — abuse monitoring.
Training: No training on customer data.
Logging: Abuse monitoring
Third-party access: Not established
GDPR DPA: DPA available
Transfer mechanism: SCCs

Get started

Call Muse Spark 1.3 through the Opper gateway with one API key. Let your coding agent set it up, or call it directly — Opper is drop-in compatible with the OpenAI, Anthropic, and Google AI SDKs.

Set it up with your agent

Copy this and paste it into a coding agent like Claude Code, Cursor or Codex and it'll wire up Opper for you.

Or call it directly

1import OpenAI from "openai";
2
3const client = new OpenAI({
4  apiKey: process.env.OPPER_API_KEY,
5  baseURL: "https://api.opper.ai/v3/compat",
6});
7
8const completion = await client.chat.completions.create({
9  model: "meta/muse-spark-1.3",
10  messages: [{ role: "user", content: "Hello" }],
11});
12console.log(completion.choices[0].message.content);