Tools · Comparison

Archyl vs Codeium vs Mails.ai

All three are code assistant tools. Here is what separates them.

	Archyl	Codeium	Mails.ai
What it is	Create interactive C4 architecture diagrams, discover architecture from code with AI, and keep docs in sync with Architecture as Code (YAML DSL).	Manage fleets of local and cloud agents from one surface. Plan, delegate, review, and ship without leaving your editor.	Self-serve AI email API + MCP for agents. Per-agent addresses, per-agent reputation, native prompt-injection scanning on every inbound.
Category	Code Assistant	Code Assistant	Code Assistant
Pricing	Freemium	Free · Free	Freemium · $15 - $149/mo
How it bills	Not published	Free	Flat monthly
Free tier	Yes	Yes	Yes
Rating	Not yet rated	4.2 from 2,200 reviews	Not yet rated
Features	—	Free code completion 70+ language support All major IDE support AI chat Code search In-line suggestions Custom commands Repository context	—
What works	—	Completely free for individuals Wide language support Supports all IDEs Fast completions No code upload	Has a free tier, so it can be tried before paying Publishes its price openly — $15 - $149/mo Sits in Code Assistant, one of the better-covered categories here — easy to compare
What does not	—	Less capable than Copilot Occasional irrelevant suggestions Rebranding confusion Limited enterprise features	97 other tools in this catalogue claim to do the same job