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Langtail vs AC Bridge

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 AC Bridge
DetailLangtail logo LangtailAC Bridge logo AC Bridge
What it doesPrompt management platform for building, testing, and deploying AI prompts collaboratively Smart lights that show your Claude Code and Codex agent status at a glance
StageNot given Not given
Founded2023 Not given
Based inCZ GB
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 AC Bridge Pro: £2.99/month with a 7-day free trial (no card required). The trial ends after 7 days; add a card before then to continue at £2.99/month, renewing monthly until cancelled. Without a card, the trial ends with no charge.
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
  • 29 agent states mappable to custom scenes and effects
  • 9 dynamic lighting effects including pulse, flash, strobe and candle
  • 16 smart home brands supported directly on LAN
  • Device control from agent tasks with pre-approved permissions
  • Automatic device state restoration on session end
  • 49 device commands including power, brightness, colour and scenes
  • Local network operation with no cloud round trip required
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
  • Quiet status notifications via visual indicators instead of sounds
  • Works with both Claude Code and Codex simultaneously
  • All integrations and features included in one affordable price
  • Agents can control smart devices as part of task execution
  • Local device keys stay on your machine for privacy
Community votes00
DR (Domain Rating by Ahrefs)29 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)64
Citation Flow (Majestic)3419
Referring domains (Majestic)2759

5 details filled in for both companies.

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