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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Devin
A
OpenRouter
S
Descript
S
TaglineCognition Labs' autonomous coding engineer.One API, every model. Pay-as-you-go, no subscriptions.Edit video + podcasts by editing the transcript.
CategoryAgentsDev PlatformVideo
Pricing$500/moPay per token — model-dependentFree + $16-$50/mo
Best forEngineering teams offloading tickets. Ops/platform work.Developers experimenting across models. Apps that want fallback logic.Podcasters, course creators, anyone editing talking-head content.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Edit audio/video by deleting text
  • Overdub (voice clone) for fixes
  • Strong collaboration + remote recording
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Slight markup over direct API
  • Some provider features not exposed
  • Not a traditional NLE — some workflows awkward
  • Overdub ethics require care
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier for model-shopping. I use this for every prototype before committing.S-tier for content creators. Cuts editing time in half. Non-obvious but life-changing.
LinkOpen →Open →Open →