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Grist vs MySpec

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

Grist compared with MySpec
Detail GristMySpec logo MySpec
What it doesA complete coding-agent harness AI Senior Architect for Spec-Driven Development that generates 4-file spec bundles before you write code
StageMVP MVP
FoundedNot given Not given
Based inNot given SG
Pricing modelNot given Freemium
PricingFree to use with bring-your-own-key for inference. Inference runs on your own provider key (OpenRouter, Vercel AI Gateway, or any OpenAI-compatible endpoint) at provider rates with zero markup from Grist. 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
  • Confidence-gated model routing
  • Institutional memory
  • Local code execution
  • SoL-Pi token compression
  • Multi-rung cost routing
  • Codebase learning
  • Specialist subagents
  • OpenCode v2 plugin
  • 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
  • Spend only on task difficulty, not habit
  • Code never leaves your machine
  • Zero markup on inference costs
  • 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)3 +3 (up) since last check22 no change since last check
Trust Flow (Majestic)011
Citation Flow (Majestic)2127
Referring domains (Majestic)59100

5 details filled in for both companies.

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