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Synth Workshop · Onboarding

First success is a completed research loop.

Increase your Experiments Per Minute Activation means finishing useful work—not merely downloading, signing up, or opening the app.

Use Workshop locally

Download the macOS app and begin without an account. Local models, local data, and local execution are enough to start a research loop.

  1. 1. Download the macOS app and verify the checksum on the download page.
  2. 2. Launch Workshop. Choose a local model or ChatGPT login—no Synth account required.
  3. 3. Run one eval or environment QA pass and inspect the evidence.
  4. 4. Change one thing and run again. That is the first Experiments Per Minute loop.
Download the macOS app

Use Workshop with Synth Cloud

Create an account, receive included usage, connect the app, and unlock account-backed eval, optimization, SFT, and cloud-model work.

  1. 1. Create a Workshop account and confirm included usage is visible.
  2. 2. Pair the macOS app to the account from the device flow.
  3. 3. Start an account-backed eval, GEPA, or SFT job with an explicit budget.
  4. 4. Inspect live progress, then the terminal result, then the next experiment.
Create a Workshop account

Pick a first workflow

Evals

Run and compare evaluations with evidence you can inspect, not a score you have to trust blindly.

Environment QA

Build, exercise, and debug environments until their behavior is stable enough to optimize against.

GEPA and optimizers

Improve systems with evaluation-driven search. Workshop consumes Optimizers as an independent service, not a hidden internal.

Supervised fine-tuning

Train, checkpoint, and evaluate with the same evidence loop as evals and GEPA.

Connect a provider when you need one

  • ChatGPT login

    Use the ChatGPT account you already work with. Workshop does not require you to abandon that path.

  • Local models

    Run on-device models without an account. Local inference stays on your Mac.

  • Direct provider APIs

    Bring your own credentials. Provider keys remain in the native app's custody.

  • Synth API

    Account-backed Synth services add managed capability, shared usage, and cloud scale without changing the research loop.

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