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Brief vs act101

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

Brief compared with act101
DetailBrief logo Briefact101 logo act101
What it doesAI navigates your team from vision to impact at speed Quality infrastructure for AI-written code with deterministic refactoring and a merge gate
StageStartup Startup
Founded2024 2026
Based inUS US
Pricing modelFreemium Freemium
PricingFree: $0/month with 50 AI credits. Pro: $49/month per seat with 200 AI credits per seat (15% discount for annual: ~$42/month). Teams: $89/month per seat with 500 pooled AI credits and 5-seat minimum (15% discount for annual: ~$76/month). Enterprise: Custom pricing. Overage rates: $0.10/credit (Pro), Builder Edition: Free forever for personal, non-commercial, and open-source use. Engineering Edition: $29/month or $299/year (save 14%). Architecture Edition: $59/month or $599/year (save 15%). Elite Edition: $99/month or $999/year (save 16%). Enterprise: Custom pricing, contact sales. All editions
Key features
  • Navigate AI agents to product context via MCP
  • Capture and search product decisions automatically
  • Integrate with Cursor, Claude Code, Windsurf, and CLI
  • Connect to Slack, Notion, Linear, GitHub, and more
  • Build your Product Graph from existing tools
  • 95% decision compliance when agents access Brief
  • 8/8 merge-ready tasks with Brief versus 2 of 8 without
  • 68% cost reduction per merge-ready task
  • Admin dashboard for team usage visibility
  • SSO and security controls for Enterprise
  • 182 AST-aware refactor operations for code transformation
  • 42 codebase analyzers for code analysis
  • Support for 163 programming grammars
  • Deterministic merge gate with signed receipts
  • MCP server and CLI interfaces
  • Cross-file import updates and automatic checkpointing
  • 10 cross-language porting operations
  • Instant undo for all operations
  • ~88% token savings on query operations
  • Native binary with zero dependencies and no supply chain risk
What makes it different
  • Navigates AI agents to why decisions were made, not just what code does
  • Extracts decisions automatically from existing tools without workflow changes
  • Immediate value: see results in minutes by connecting your tools
  • Enables AI agents to build the right features with full context
  • Deterministic verdicts and signed receipts for every code change ensure reproducible quality gates
  • Built by engineer with decades of production experience in correctness-critical domains
Community votes00
DR (Domain Rating by Ahrefs)38 −1 (down) since last check27 no change since last check
Trust Flow (Majestic)198
Citation Flow (Majestic)2731
Referring domains (Majestic)228182

8 details filled in for both companies.

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