INDEPENDENT GUIDELAST VERIFIED · AUG 09

Muse Code Guide

Understand Meta Muse Code before you commit: current pricing, setup, data tradeoffs, cost math, comparisons, and beta troubleshooting.

Get Started Calculate Cost

Independent developer reference · not affiliated with or endorsed by Meta.

Current beta facts · official sources

The launch state, at a glance

Launched: Aug 5
Status: Beta
Model: Spark 1.2
Input: $1.25
Output: $4.25

Start here · setup path

A safe first route into the beta

Confirm the current product, install from Meta’s domain, and understand access before opening a repository.

Current sources6 min

Getting Started with Muse Code

Start with verified Meta Muse Code beta facts, supported platforms, pricing choices, installation, multi-agent workflow, and event-log recovery.

Open guide

Current sources5 min

Muse Code Installation

Install Meta Muse Code on macOS or Linux using the current command published by Meta, then follow a cautious beta setup and verification flow.

Open guide

Current sources5 min

Muse Code Beta Availability

Check current Meta Muse Code beta status, supported installation platforms, expanded global-access wording, and the limits of region-level evidence.

Open guide

Pricing & cost · current rate card

Separate token math from the data decision

Standard and Contributor use the same three token types but publish very different rates and product-improvement labels.

STANDARD$1.25 in / $4.25 out

Not used to improve Meta products

CONTRIBUTOR$0.10 in / $0.20 out

Used to improve Meta products

Read the full rate card

Cost calculator · live utility

Put your token mix into the rate card

Estimate input, cached-input, and output separately. Switch tiers to see the cost and policy label change together.

LIVE ESTIMATEUSD · RATES VERIFIED AUG 09 · 2026

Pricing tierStandardDefault estimateContributorLower rates · policy tradeoff

Presets

Input tokens$1.25 / 1M0 to 1,000,000,000,000 tokensCached input tokens$0.1500 / 1M0 to 1,000,000,000,000 tokensOutput tokens$4.25 / 1M0 to 1,000,000,000,000 tokens

MODELmuse-spark-1.2

Input cost: $0.00
Cached input: $0.00
Output cost: $0.00

ESTIMATED TOTAL$0.00

Meta says this tier is not used to improve its products.

Meta official product pricing source

Estimate only. Token counts, retries, agent activity, and prices can change the final bill.

Contributor tier · data tradeoff

The cheaper row changes the policy question

Meta’s current product page explicitly gives the two models different product-improvement labels.

Review Contributor before using private code

Tier decisionConceptual · not to scale

STANDARDHigher token rates

Meta: not used to improve products

PRICEDATA USE

CONTRIBUTORLower token rates

Meta: used to improve products

Rates and product-improvement labels were checked on Meta’s current Muse Code product page on Aug 9, 2026.

Compare · decision first

Choose a workflow, not a headline winner

The comparison guides keep subscriptions, credits, and direct token prices distinct.

Current sources9 min

Muse Code vs Codex

Compare Muse Code and OpenAI Codex by current billing model, work surfaces, agent workflow, recovery evidence, ecosystem, and best-fit use cases.

Open guide

Current sources9 min

Muse Code vs Claude Code

Compare Muse Code with Anthropic Claude Code across billing shape, platform support, workflow, data choices, and current documented access options.

Open guide

Verified system mapConceptual · not to scale

01Muse Code

02Muse Spark 1.2

03Persistent subagents

04Validation

05Event log + resume

The sequence groups concepts Meta documents; it is not a complete internal architecture diagram.

Agent systems · how it works

Model, background work, validation, and recovery

Muse Code combines Muse Spark 1.2 with persistent subagents and a local event history designed for long-running work.

Muse Spark 1.2
The co-trained model relationship
Parallel subagents
Persistent background work
Event log & resume
Restart-safe runtime evidence

Beta status · troubleshooting

Check access before changing your machine

Current public wording says beta and expanded global access, without a complete country list. Diagnose platform, account, and runtime issues separately.

ACCESS STATUSBeta availability & regions SAFE CHECKSLogin, setup & interrupted work

Quick answers · source bounded

Muse Code FAQ

What is Meta Muse Code?

Muse Code is Meta’s beta terminal coding agent powered by Muse Spark 1.2. Meta says it plans, writes code, validates results, coordinates persistent background agents, and can resume from a local event history.

How much does Muse Code cost?

Standard is currently $1.25/M input, $0.15/M cached input, and $4.25/M output. Contributor is lower priced and Meta labels it as used to improve its products.

Is this an official Meta website?

No. Muse Code Guide is independent and is not affiliated with or endorsed by Meta. Current claims link to their sources and show a verification date.

Can I install Muse Code on Windows?

The current official command checked for this guide is published for macOS or Linux. This site does not infer or invent a Windows command.

Next action · choose your path

Start with evidence, then run the numbers.

Install from the current Meta source or estimate the real token mix before choosing a tier.

Get Started Calculate Cost