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Perry the Prompter vs ChatOSS

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Perry the Prompter compared with ChatOSS
DetailPerry the Prompter logo Perry the PrompterChatOSS logo ChatOSS
What it doesHelp your AI understand you. Desktop app for AI agents working with open source and cloud models
StageNot given Startup
FoundedNot given Not given
Based inDE Not given
Pricing modelFreemium Freemium
PricingFree: €0 (5 improvements a week, 2 question rounds a week, access to all seven chat apps, no account needed). Pro, monthly: €4.99/month or €59.88/year (unlimited improvements, more thorough model, history and prompt library, profile synced across computers). Students: 30% discount (€3.49/month bille Free: Local Ollama models with unlimited usage, no account required. Cloud Plus: $20/month including $20/m of usage credits (10% ChatOSS fee), web search, and BYOK unlock. Cloud Max: $100/month including $100/m of usage credits. BYOK Yearly: $39/year to use your own API keys from Ollama Cloud, OpenR
Key features
  • Rewrites rough prompts into clear, structured versions
  • Works across seven AI chat apps
  • Personalized profile for tone and detail preferences
  • Leaves blanks instead of guessing missing details
  • Prompt history and library for Pro users
  • Profile syncs across multiple computers
  • Agents work directly inside repositories and write code
  • Extensible suite of apps you can build
  • Switch between local Ollama and cloud models mid-conversation
  • Support for multiple open source models including Qwen, DeepSeek, GLM, Minimax, Gemma, Nemotron
  • Run many agents in parallel on models of your choice
  • Web search capability on cloud plans
  • Built-in apps including PR Reviewer and Migration Bot
  • BYOK support for Ollama Cloud, OpenRouter.ai, Anthropic, and OpenAI-compatible providers
  • No data retention for local or cloud conversations
What makes it different
  • Works with seven AI chat apps at once, not just ChatGPT
  • Runs on paid-tier Google Gemini, which does not train on prompts
  • Built in Germany with GDPR privacy from the start
  • Free plan with no account required to start
  • Free forever with local Ollama models, no account or credit card required
  • Run AI agents directly in your code repositories for real work
  • Switch between open source and cloud models without restarting
  • Flat 10% fee on cloud plans with all usage going to model providers
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)2 +2 (up) since last check3 no change since last check
Trust Flow (Majestic)33
Citation Flow (Majestic)1327
Referring domains (Majestic)168

5 details filled in for both companies.

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