LLM Playground OS
Local-first playground to test compare & version LLM prompts
Details
- External ID
- 1241876
- Source
- PH
- Company
- —
- Product
- Playground
- Website domain
- producthunt.com
- Launched
- Sept. 6, 2026
- Cohort
- —
- Upvotes
- 1
- Upvotes percentile
- 0.30815693820825313
- Tags
- GitHub
- Fetched at
- Sept. 6, 2026, 6:36 p.m.
- Updated at
- Sept. 6, 2026, 6:36 p.m.
Description
🛠️ 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.
Enrichment
- Theme
- AI API proxies and developer tools
- Vertical
- —
- Function
- Dev tools
- Audience
- Developer
- AI stance
- AI feature
- Project type
- Commercial product
- Normalized one-liner
- local llm prompt testing and versioning tool
- Manually corrected
- False
Could you build this?
Yes This is a local developer UI (built with Tauri, Electron, or a local web server) integrating standard LLM API SDKs (OpenAI, Anthropic, Ollama) and storing prompt histories locally in SQLite or JSON.
Competitors
Other products that read as similar to this one — 78 launches clear the similarity bar, closest 8 shown.
Attention rank: #58 of 79 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 300 days after the earliest competitor.
- Prompt Workbench · ph · 2026-09-26 · 5 upvotes · similarity 0.51
- LLM Onestop · hn · 2025-11-10 · 8 upvotes · similarity 0.44
- Llmpm · hn · 2026-03-09 · 6 upvotes · similarity 0.44
- LLM-Gateway · hn · 2026-03-27 · 7 upvotes · similarity 0.42
- Llmtop · hn · 2026-03-18 · 5 upvotes · similarity 0.42
- AI Council · hn · 2026-02-21 · 5 upvotes · similarity 0.42
- llm-gateway-comparison · github · 2026-09-17 · 59 upvotes · similarity 0.41
- LocalLLM · hn · 2026-04-23 · 16 upvotes · similarity 0.41