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Synth AI is the training and evaluation layer for LLM workflows. Use it to:
  • Run prompt optimization on fixed datasets (GEPA)
  • Run continual learning from live traffic and rewards (online MIPRO)
  • Run containers locally (Container) or behind tunnels so the backend can evaluate them
If you’re looking for the open-source agent execution platform, see Horizons under the Horizons tab.

Prompt Optimization

Batch optimization (GEPA) on a dataset-backed container

Continual Learning

Online improvement (MIPRO) from live rollouts and rewards