Skip to main content

Reason vs ChatOSS

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

Reason compared with ChatOSS
DetailReason logo ReasonChatOSS logo ChatOSS
What it doesAutonomous AI software engineer that connects to GitHub to resolve issues and ship pull requests Desktop app for AI agents working with open source and cloud models
StageNot given Startup
FoundedNot given Not given
Based inUS Not given
Pricing modelNot given Freemium
PricingNot given 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
  • GitHub integration for issue assignment and pull request automation
  • Evidence-backed pull requests with test results and recordings
  • Automated bug reproduction and verification
  • Dedicated computer environment per session
  • Mobile access to monitor tasks
  • Cloud and local runtime options
  • Test automation and code verification
  • 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
  • Evidence-based code changes with recorded proof of testing and verification
  • 22% more cost efficient than competitor models
  • Opinionated architecture that improves the entire development loop
  • Built for trust with real repositories and careful verification
  • Maintains human judgment while automating mechanical coding tasks
  • 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)30 +1 (up) since last check3 no change since last check
Trust Flow (Majestic)103
Citation Flow (Majestic)3427
Referring domains (Majestic)24568

3 details filled in for both companies.

More alternatives to Reason More alternatives to ChatOSS

Help centre