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Langtail vs Deprecat

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

Langtail compared with Deprecat
DetailLangtail logo LangtailDeprecat logo Deprecat
What it doesPrompt management platform for building, testing, and deploying AI prompts collaboratively 24/7 watchdog for upstream API breaking changes
StageNot given Not given
Founded2023 Not given
Based inCZ Not given
Pricing modelNot given Freemium
PricingFree plan: $0/month with unlimited users, 2 prompts or assistants, 1,000 logs per month, 30 days data retention. Pro: $99/month + VAT for 1 user, 20 prompts or assistants, unlimited logs, 90 days data retention. Team: $499/month + VAT for 10 users, unlimited prompts or assistants, unlimited logs, 1 Kitten Community: Free; Starter Cat: ₹2,499/month or $29/month; Panther Scale: ₹6,499/month or $79/month
Key features
  • Spreadsheet-like interface for managing prompts with no coding required
  • Natural language evaluation, pattern matching, and custom code testing
  • Experiment with models and parameters to optimize prompts
  • Data-driven insights from prompt performance and user interactions
  • AI Firewall preventing prompt injections and DoS attacks
  • Support for multiple LLM providers
  • TypeScript SDK and OpenAPI support
  • Self-hosting option for maximum security
  • Monitor 200+ APIs including Stripe, OpenAI, Anthropic, Twilio, AWS, Supabase, Shopify, and more
  • Hourly automated changelog monitoring
  • Real-time Slack and Discord alerts
  • AI-powered code diff extraction
  • GitHub Issues and PR automation
  • CLI deprecation scanner
  • Web Sentinel Incident Dashboard
  • Priority 15-minute crawl interval
  • Custom private API changelog monitoring
  • Aegis SSO Directory Sync and Team Roles
What makes it different
  • Prevents unpredictable LLM outputs through proper prompt management and testing
  • Non-technical teams can manage prompts with intuitive spreadsheet interface
  • Built-in AI Firewall for security and safety of AI outputs
  • Works seamlessly with all major LLM providers
  • Suggested code migration diffs for each deprecation
  • 24/7 continuous monitoring across 200+ APIs
  • Predictable transparent pricing with no hidden costs
Community votes00
DR (Domain Rating by Ahrefs)29 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)340
Referring domains (Majestic)2750

4 details filled in for both companies.

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