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UsingOpen vs RedModel

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

UsingOpen compared with RedModel
DetailUsingOpen logo UsingOpenRedModel logo RedModel
What it doesFree AI chat with open models, no account or sign-up required Experimental, uncensored AI platform for open-ended conversation, reverse engineering, and red teaming
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingFree with 10 prompts per day. UsingOpen Studio desktop app is $19 USD one-time purchase, or ¥99 CNY in mainland China. Prepaid credit available in US dollars for paid features; free access with limited messages without an account
Key features
  • Access to 20+ open-weight AI models including DeepSeek, Qwen, GLM, Gemma, GPT-OSS, Kimi K3 and MiniMax M3
  • No account required, no sign-up, no email or password needed
  • 10 free prompts per day, reset at midnight UTC
  • Chat history saved locally on your device, never sent to servers
  • Streaming responses with visible reasoning for thinking models
  • Compare two models side by side in the same conversation
  • Live model availability status and real-time capacity information
  • Responsive design, installable as standalone mobile app
  • Browser-based chat interface
  • OpenAI-compatible API
  • RedCLI custom harness
  • API streaming and standard responses
  • Rate limiting up to 60 requests per minute
  • API key management
What makes it different
  • Complete privacy - chat history stays only on your device and is never sent to servers
  • Model picker with real-time availability, not a single locked-in assistant
  • Uncensored conversation on topics mainstream AI assistants refuse
  • Designed for authorized security testing and red teaming
  • OpenAI-compatible API for easy integration
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)Not checked yet no change since last check17 +17 (up) since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)1719
Referring domains (Majestic)51

5 details filled in for both companies.

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