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OpenPlayground

Stale
GitHub TypeScript MIT

Description

An LLM playground you can run on your laptop. Compare models side-by-side for prompt testing and model evaluation in a local environment.

Key Features

  • Support for multiple LLM providers including OpenAI, Anthropic, Cohere
  • Side-by-side model comparison with same prompts
  • Automatic detection of local HuggingFace models
  • Full playground UI with history and parameter tuning
  • Keyboard shortcuts and log probability display
  • Docker support for containerized deployment

Use Cases

💡 Prompt engineering and testing across multiple models
💡 Local LLM evaluation and comparison
💡 Model parameter tuning and optimization
💡 Educational tool for understanding LLM behavior
💡 Development environment for LLM-powered applications

Strengths & Limitations

✅ Strengths

  • • High community interest (6.4k stars)
  • • Permissive open-source license (MIT)
  • • Established track record (3 years in production)

⚠️ Limitations

  • • No updates in over 6 months

Tags

llm tools typescript prompt-engineering evaluation

Categories

🔄 Workflow 📊 Observability

Quick Start

Install with pip install openplayground and run with openplayground run. Or use Docker: docker run --name openplayground -p 5432:5432 natorg/openplayground. Access the UI to configure API keys and start comparing models.
Visit GitHub

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