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Seedfast vs Kuuhaku

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

Seedfast compared with Kuuhaku
Detail SeedfastKuuhaku logo Kuuhaku
What it doesSynthetic test data generator for PostgreSQL that reads your live schema and generates realistic data without production data Service map and architecture diagram generated automatically from your code
StageStartup Not given
Founded2025 Not given
Based inSK BR
Pricing modelFreemium Freemium
PricingFree plan: $5 of monthly credits ($10 with work email), around 8 seeding runs per month on a 30-table schema. Basic plan: $16/month with $32 of monthly credits (2x payment), around 50 runs per month. Premium plan: $69/month with $180 of monthly credits (2.6x payment), around 300 runs per month, prio Starter: $9/month for 1 workspace, up to 5 repos; Team: $29/month for up to 30 repos in 5 workspaces; Company: $79/month for unlimited repos and workspaces. All plans include 14-day free trial with no credit card required.
Key features
  • Reads live database schema to generate coherent test data automatically
  • Generates realistic data at scale from hundreds to tens of millions of rows
  • Maintains foreign key integrity and constraint satisfaction
  • Generates localized data with culturally appropriate names and formats
  • Works as CLI, MCP server for AI editors, and CI/CD pipeline step
  • Handles complex schemas with composite keys and multi-level dependencies
  • Plan preview shows exactly what will be seeded before writing any rows
  • Never requires access to production databases
  • Generates data with realistic distributions across columns and tables
  • Most runs complete in under three minutes
  • Automatic service mapping with HTTP routes, gRPC, queues, sockets, and shared databases
  • Pull request checks showing what breaks before merge
  • CLI that runs on your machines, uploading only the graph
  • Personal data map for GDPR and LGPD compliance
  • Slack and Teams alerts about architecture changes
  • Export to Mermaid, C4, Backstage, and PDF
  • Review inbox with suggested answers for unmatched calls
  • Import history and diffs to track architecture changes
What makes it different
  • No production data exposure: generates all test data from schema alone, eliminating privacy and compliance risks
  • Schema-aware generation creates coherent, relational data without manual seed scripts
  • Integrated with AI editors through MCP server for seamless developer workflow
  • Realistic data that surfaces real bugs, not random placeholder values
  • Works at any scale with consistent data integrity from dozens to tens of millions of rows
  • Code stays on your infrastructure with CLI-only uploads
  • Pricing by repositories, not by seats
  • Proven accuracy on real systems with no false alarms
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)8 −19 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)273
Citation Flow (Majestic)3218
Referring domains (Majestic)624

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