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Reika vs MySpec

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

Reika compared with MySpec
DetailReika logo ReikaMySpec logo MySpec
What it doesA coding agent CLI for local and hosted models AI Senior Architect for Spec-Driven Development that generates 4-file spec bundles before you write code
StageNot given MVP
FoundedNot given Not given
Based inNot given SG
Pricing modelOpen source Freemium
PricingNot given Free: 20 projects, 100 spec files, 20 public share links per month. Pro: 5× AI usage limit, 100 projects, unlimited specs. Team: 10× AI usage limit per seat (2 seats minimum), unlimited projects and specs.
Key features
  • Context discipline with prompt cache preservation
  • Loop breaking detection and prevention
  • Code verification with TypeScript typechecking
  • Multiple work modes: plan, test-and-review, window, chat
  • Kernel sandbox for shell commands on macOS
  • Works with local and hosted models
  • No telemetry
  • 4-file spec bundle generation (constitution, requirements, solution, tasks)
  • Structured interview to clarify scope and edge cases
  • Live Mermaid diagram rendering
  • ZIP export of spec bundle
  • MCP Server integration for IDE agents
  • Greenfield and Brownfield workflow support
  • EARS+ acceptance criteria format
  • Versioned diffs for spec refinement
  • Team collaboration and shared projects
  • Plain-English edits in chat
What makes it different
  • Designed specifically for small local models to reduce context waste and work efficiently
  • Fails gracefully and communicates when stuck instead of spiraling
  • Completely free and open source with no commercial edition or license key required
  • Transparent and measured approach with A/B testing and published results
  • Replaces vague prompts with immutable 4-file architectural contracts to prevent AI hallucinations
  • Senior Architect interview catches edge cases before coding begins
  • Supports both Greenfield and Brownfield project workflows
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 check22 no change since last check
Trust Flow (Majestic)311
Citation Flow (Majestic)1927
Referring domains (Majestic)14100

4 details filled in for both companies.

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