Syzygy (Mach Studio): Pricing, Features & Best Use Cases

Our take: Choose Mach Studio if you have an Apple Silicon Mac and want to run open models and an app-driving agent locally for free, adding hosted inference or Pro at $20/month only when needed.

Main limitation: Apple Silicon Macs only and still in beta.

By the AI Tool Atlas editors. Based on the vendor's official documentation; we have not tested this product hands-on. What “documented overview” means

Who Syzygy (Mach Studio) fits

Choose Mach Studio if you have an Apple Silicon Mac and want to run open models and an app-driving agent locally for free, adding hosted inference or Pro at $20/month only when needed. Based on the vendor's documentation, not on a hands-on test.

Best for: Mac users wanting local AI

Also a good fit for

Developers using coding agents
Privacy-minded users

Consider another tool if apple Silicon Macs only

Or if

Currently in beta
35B model supported on 16 GB+ Macs

Syzygy (Mach Studio) pricing and usage limits

Prices checked Oct 1, 2026 on the official US pricing page. Official pricing ↗ Prices and limits change often.

The official Syzygy (Mach Studio) pricing page as we saw it. withsyzygy.com, captured Oct 1, 2026

Free access and trial conditions

Free and local, no account.

Paid plans: what changes as you upgrade

Free desktop

Free source (opens in a new tab)

For: Local-only users

Limits

Local models
No account

Includes

Mach Studio desktop app
BYO keys and integrations

No API

Usage Based desktop

Usage-based source (opens in a new tab)

For: Occasional hosted use

Includes

Hosted inference

No API

Pro desktop

$20/mo per user source (opens in a new tab)

Month

For: Heavy agent users

Limits

$20 inference credits included

Includes

Hosted integrations
Remote control

1 more

Scheduled automations

No API

Usage caps, credits and extra costs

Hosted inference pay as you go beyond included credits.

What is Syzygy (Mach Studio), and how does it work?

Syzygy develops compact local models and tools for Apple Silicon Macs. Its Mach Studio desktop app runs open models on-device and lets an agent work across connected apps, the browser and documents. Other parts of the company's lineup are the Mach inference engine and a TypeScript agents SDK. The Mach Studio app is listed as in beta.

Syzygy (Mach Studio)'s official site: how the product presents itself. withsyzygy.com, captured Oct 1, 2026

What you provide and what you get back

What you give Syzygy (Mach Studio) and what comes back, from its documentation

You provide

Prompts and documents on your Mac
Connected apps such as Slack, Gmail, Calendar and Notion
Your own API keys for hosted models

You get back

Local model responses
Agent actions across apps and browser
Scheduled digests and automations (Pro)

Where you can use it

Platforms: Desktop
Account: Not required
Hardware: Apple Silicon (M1+), Metal required
Engine: Mach, MLX, llama.cpp; OpenAI-compatible API
Model size: 35B on about 8 GB of weights, 16 GB Mac
Status: Beta
Engine licence: Apache-2.0

Best use cases for Syzygy (Mach Studio)

Scenarios are worked out by our editors from the documentation; the actual result depends on your input and plan.

Run open language models privately on a Mac

Who: Privacy-minded Mac users
You provide: Prompts and files
Expected result: Responses from an open model that never leave the Mac
Plan needed: Free
Limitation: Needs enough memory; 35B model needs 16 GB+ source (opens in a new tab)

Delegate multi-app tasks to a local agent

Who: Knowledge workers juggling many tools
You provide: A request like what needs my attention this week
Expected result: Action items pulled from Gmail, Slack, Linear and Notion
Plan needed: Free with integrations via BYO keys, hosted need Pro
Limitation: Hosted integrations need Pro source (opens in a new tab)

Schedule recurring agent tasks such as digests

Who: People with recurring tasks
You provide: A recurring request
Expected result: A scheduled digest or automation
Plan needed: Pro
Limitation: Automations are Pro only source (opens in a new tab)

What Syzygy (Mach Studio) does, and where it stops

Feature overview on the official site. withsyzygy.com, captured Oct 1, 2026

Local models via Mach, MLX and llama.cpp

Runs open models locally through Mach, MLX and llama.cpp Keeps inference on-device with no cloud

Access: Free, no accountLimit: Apple Silicon only source (opens in a new tab)

Bring-your-own keys and integrations

Connects apps and lets the agent read, draft and act Handles multi-app work from one chat

Access: Free with your own keysLimit: Hosted integrations need Pro source (opens in a new tab)

Browser control by the agent

Lets the agent drive the browser by scrolling, typing and clicking Does web tasks for you

Access: In the appLimit: Tool calls can be gated to Allow, Ask or Block source (opens in a new tab)

Scheduled automations (Pro)

Schedules recurring automations Produces digests without prompting

Access: ProLimit: Pro $20/month source (opens in a new tab)

Syzygy (Mach Studio) pros and cons

Reasons to choose Syzygy (Mach Studio)

Free plan with local models and no account The free plan runs local models with no account documented source (opens in a new tab)
Pro is $20 a month with $20 of inference credits Pro costs $20 a month with $20 of inference credits included documented source (opens in a new tab)
Local-first, runs without a cloud It is local-first and works without a cloud documented source (opens in a new tab)
Works with several coding agents It lets Claude Code, Codex, OpenCode and Hermes Agent use the same local models documented source (opens in a new tab)
E a documented source (opens in a new tab)

Check before paying for Syzygy (Mach Studio)

Apple Silicon Macs only It runs only on Apple Silicon Macs documented source (opens in a new tab)
Currently in beta It is currently in beta documented source (opens in a new tab)
35B model supported on 16 GB+ Macs The 35B model needs a Mac with 16 GB or more documented source (opens in a new tab)
Hosted integrations, remote control and automations need Pro Hosted integrations, remote control and automations need Pro documented source (opens in a new tab)
H o documented source (opens in a new tab)

How to use Syzygy (Mach Studio) for running a local model with an agent on a Mac

Set up Syzygy (Mach Studio)

Click Download for Mac on withsyzygy.com (Apple Silicon required)
Open Mach Studio and pick an open model from the library
Let it download and load the model locally

Example: running a local model with an agent on a Mac

Connect Gmail and Slack with your own keys
Ask what needs your attention this week
Review the action items it pulls from each source
Set tool permissions to Ask for sensitive actions

Review and export the result

Confirm the chat stays local by checking model type is on-device
Review each tool call in the conversation

Example prompt suggested by our editors (not a recorded output of the product)

What needs my attention this week across Gmail, Slack and Linear?

Syzygy (Mach Studio) API

Plan comparison on the official pricing page. withsyzygy.com, captured Oct 1, 2026

API access and separate billing

Syzygy (Mach Studio) has no public API in its official documentation. Mach engine serves an OpenAI-compatible API locally. API documentation ↗

Privacy, data use and commercial rights

Summarized from the vendor's current policies; this is not legal advice and a vendor's badge is not an independent audit.

How your inputs and outputs are handled

With an on-device model, inference and chat content stay on your Mac; hosted models and integrations send needed data to those services.

Not stated.

Chats, files and agent memory stored locally in SQLite by default.

Commercial use and plan restrictions

Hosted features need an account.

Controls for business users

Per-tool Allow, Ask, Block
Per-app computer access

Policies: withsyzygy.com/privacy

Best Syzygy (Mach Studio) alternatives for different needs

"Better suited" is based on documented features and pricing, not on a head-to-head test.

ChatGPT: better suited to

Claude: better suited to

Cursor: better suited to

Alternatives
Alternative	Pricing	Limitation
ChatGPT	—	—	Compare
Claude	—	—	Compare
Cursor	—	—

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Syzygy (Mach Studio) FAQ

Does Mach Studio cost anything?

The Free plan is $0 with local models and no account; Pro is $20/month with $20 of inference credits. source (opens in a new tab)

Which Macs does it need?

An Apple Silicon Mac (M1 or later); a 35B model fits a 16 GB Mac. source (opens in a new tab)

Does my chat leave my Mac?

Not with an on-device model; hosted models and integrations do send needed data. source (opens in a new tab)

Is it finished software?

No. Mach Studio is in beta. source (opens in a new tab)

Can other coding agents use the local models?

Yes, Claude Code, Codex, OpenCode and Hermes Agent can use the same local models. source (opens in a new tab)

Sources and review methodology

Official sources and verification dates

Scaling intelligence density | Syzygy homepage · checked Oct 1, 2026
Mach Studio: the local-model desktop app for Mac - Syzygy homepage · checked Oct 1, 2026
Mach - the local inference engine - Syzygy homepage · checked Oct 1, 2026

Not verified: Usage-based per-token rates; US availability; Retention for hosted services.

How we documented and maintain this page

Every fact about Syzygy (Mach Studio) above comes from the 3 official pages listed here, last compared on Oct 1, 2026; we have not run Syzygy (Mach Studio) ourselves, so it has no editorial score. How we check and re-check pages.

Article updated Oct 10, 2026; prices checked Oct 1, 2026. Outbound links to vendors are plain links; we do not earn commissions. How we review · Report an error