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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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Dev Platform
Agents
Voice
Video
Audio
Research
Coding
Chatbots
Image
Meetings
Design
Productivity
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Data
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Gemini
A
Grok
A
OpenRouter
S
Replicate
S
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.xAI's chatbot. Real-time X/Twitter data + fewer refusals.One API, every model. Pay-as-you-go, no subscriptions.Run any open-source AI model with an API call.
CategoryChatbotsChatbotsDev PlatformDev Platform
PricingFree + $20/mo Advanced (bundled with 2TB Drive)Free + $30/mo SuperGrok + included with X PremiumPay per token — model-dependentPay per second of compute
Best forAnyone already on Google, research tasks, summarizing long documents.Breaking news, live event tracking, users already on X.Developers experimenting across models. Apps that want fallback logic.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Live access to X posts for real-time events
  • Less restrictive on edgy questions
  • Fast inference on Grok-3 and up
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Writing quality trails Claude/ChatGPT
  • Political bias debates
  • Ecosystem is just X
  • Slight markup over direct API
  • Some provider features not exposed
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.A-tier for real-time. B-tier for everything else. Worth checking when news breaks.S-tier for model-shopping. I use this for every prototype before committing.S-tier for open-source model APIs. The default in this space.
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