LLM Workbench

LLM Workbench

Source-available multi-LLM workbench for developers.

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🛠️ Open-source, local-first workbench to test, compare, and version LLM prompts across multiple providers -including OpenAI, Anthropic, Gemini, Groq, and Ollama. Key Features: • Compare outputs side-by-side in real time • Track prompt variations and system instructions • 100% privacy-focused: runs locally without middleman servers • Multi-model support for cloud and local models (Ollama) Designed for developers, prompt engineers, and creators building AI workflows.

LLM Workbench

Launch date
LLM Workbench
LLM WorkbenchLocal-first playground to test compare & version LLM prompts

Launched on September 23rd, 2026

LLM Playground OS
LLM Playground OSLocal-first playground to test compare & version LLM prompts

Launched on September 6th, 2026