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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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DeepSeek
S
HeyGen
S
Devin
A
Ollama
S
TaglineChinese open-weight powerhouse. Crazy cheap, genuinely smart.AI avatar videos. Record once, speak any language.Cognition Labs' autonomous coding engineer.Run LLMs locally. One-line install, GUI optional.
CategoryChatbotsVideoAgentsDev Platform
PricingFree web + ultra-cheap API (~$0.14/M input tokens)Free + $24-$65/mo$500/moFree + open source
Best forDevelopers + cost-conscious builders. Anyone fine with self-hosting.Course creators, multilingual marketers, anyone scaling video content.Engineering teams offloading tickets. Ops/platform work.Devs wanting offline/local LLMs for privacy or experimentation.
Strengths
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Run Llama, Mistral, Qwen, etc. on your laptop
  • Simple CLI + API
  • Hardware-aware (picks the right quant)
Weaknesses
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Needs beefy laptop for larger models
  • Speed way behind cloud APIs
Kai's verdictS-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier for local inference. If you care about privacy or want to tinker, install this today.
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