Open source · 11 model families · 39+ variantsRefrase — your prompts, upgraded.
Watch what happens when you optimize for the right model.
Three ways to upgrade your prompts
Same research-backed rules. Different interfaces.
See the difference
The same prompt, adapted for different models. Each adaptation is backed by tested optimization rules.
You are a helpful assistant that extracts key information from documents. Be thorough and accurate. Use null for any fields not found.
<instructions> You are a helpful assistant that extracts key information from documents. </instructions> <rules> - Be thorough and accurate - Use null for any fields not found </rules>
Which models improve most with Refrase?
Top 10 models ranked by adaptation benefit.
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Describe what you need in plain language. The builder asks model-specific follow-up questions and generates optimized prompts grounded in our research across 46 model configurations.
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Built on research
We researched 46 model configurations across 12 families, then built a tool. Every adaptation rule traces to official provider documentation or our empirical testing data. Refrase doesn't guess — it applies what we proved works.
Measurable quality gains, cited sources, reproducible results. Not prompt-engineering folklore.
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