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Try the GEPA Banking77 notebook | Try the GEPA Crafter notebook | Try the Graph Evolve Image Style Matching notebook

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Install skills

npx skills add synth-laboratories/skills

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Train with your code as-is

No more performance losses from fitting your working code to a new training API. Wrap your code in a few HTTP routes, deploy it with Synth AI’s SDK, and start training. No additional infrastructure needed.

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Cost-aware optimization

Sample-efficient optimization algorithms. Built-in budget enforcement and adaptive batch sizing — set a token limit, Synth AI adheres to it.

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Fast iteration

Parallel evaluation across test cases. Adaptive rate limiting that maximizes throughput without hitting provider limits. Start a run, get results in minutes instead of hours.

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Multi-language support

Synth AI supports Python, TypeScript, Rust, Go, and Zig.

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Start optimizing your prompts

Graph Evolve

Build optimized multi-node LLM graphs from your dataset - no code required

Prompt Optimization

Full walkthrough on optimizing your model’s prompts using GEPA