Comparison
THIG vs ChatPRD
Both tools help you create PRDs with AI. Here's where THIG goes further.
FeatureTHIGChatPRD
AI & Conversations
Guided AI conversations
Multiple AI providers (OpenAI + Anthropic)
Bring Your Own Key (BYOK)
Template-driven question flows
Quick-start suggestions per template
Conversation memory & context
Document Generation
PRD generation
5 PRD styles (comprehensive, technical, lean, etc.)
CPO-level quality scoring (0-100)
Stakeholder perspectives (8 viewtypes)
Auto-generated user stories
Developer spec generation
Launch content (blog, press release, etc.)
AI wireframes & Mermaid diagrams
Editor & Export
Rich text editor (TipTap)
Tables and images in editor
Markdown export
Branded DOCX export
Version history & comparison
Collaboration & Sharing
Team organizations with roles
External share links (no account needed)
Per-project knowledge base
Real-time collaboration awareness
Platform
Custom domains (white-label)
Custom templates with versioning
Usage analytics & billing
API key encryption (AES-256-GCM)
Rate limiting & abuse protection
Free tier
Why teams choose THIG
More than a PRD
THIG generates user stories, technical specs, wireframes, launch content, and developer specs — not just the PRD.
AI flexibility
Choose between OpenAI and Anthropic. Bring your own keys. Configure models per workspace.
Free to start
A generous Free tier with no credit card required. Paid plans start at $29/month with a 14-day trial.
See the difference for yourself
Create your first PRD for free. No credit card required.
Get Started Free