AptSelect
Tests, grades, and benchmarks prompts across major LLMs, with features like concurrent evals, version control, request-level debugging, and global model configuration.
A desktop client for testing, grading, and benchmarking prompts across major LLMs. It solves the problem of evaluating and comparing model performance on custom datasets. It is designed for developers and data teams in companies of all sizes, particularly those who need rigorous prompt evaluation. It is positioned as a local tool with a one-time purchase, not a cloud subscription, and it supports bring-your-own API keys.
Key features
- Run concurrent evals across multiple models
- Version-control prompt iterations
- Compare model outputs side-by-side
- Export leaderboards and download charts as PNGs
- Assign pass/fail grades to batch outputs
- Inspect raw API responses and latency stats
- Track exact token consumption per request
- Connect APIs for OpenAI, Anthropic, Mistral, Gemini, xAI
- Set global inference defaults (temperature, top_p, etc.)
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ICP
- Software developers
- Data analytics teams
- Engineering teams