Compare prompts across models
Runs the same prompt against multiple models in parallel.
Coding / product dossier
Revalvo
A local-first workbench to compare models, score outputs, version prompts, and batch-test data.
Product brief
What Revalvo does.
Revalvo is a local-first workbench for prompt engineering and LLM evaluation. Run the same prompt against every model in parallel, score responses with 40 built-in evaluators, version prompts like code, and batch-test on datasets — before anything hits production. No account, no hosted database: your API keys stay in your browser.
Why we selected it
It addresses a durable production need: repeatable prompt and model evaluation, with local-first handling of API keys and data.
- Best for
- Teams evaluating LLM workflows
- Category
- Coding
- Daily picks
- 1
- First selected
- 2026-08-28
Product preview saved with our daily selection
Capability scan
What it can help with.
Only capabilities supported by the product information we collected are listed here.
Evaluate responses
Scores responses with 40 built-in evaluators.
Version prompts
Versions prompts like code.
Batch-test datasets
Runs batch tests on datasets before production use.
Keep keys in the browser
Uses a local-first approach with no account or hosted database; API keys stay in the browser.
Best-fit use cases
Comparing how multiple models respond to the same prompt.
Scoring model outputs with built-in evaluators.
Tracking prompt revisions during prompt-engineering work.
Batch-testing prompts against datasets before production use.
FAQ
Before you open it.
What is Revalvo?
Revalvo is a local-first workbench for prompt engineering and LLM evaluation.
Can Revalvo compare several models with one prompt?
Yes. It runs the same prompt against every model in parallel.
How does Revalvo evaluate responses?
It includes 40 built-in evaluators for scoring responses.
Can prompts be versioned?
Yes. Revalvo versions prompts like code.
Where do API keys stay?
The description says API keys stay in your browser; it also states there is no account and no hosted database.
Selection history