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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
Audio
Research
Agents
Coding
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Perplexity
S
Cline
A
Grok
A
Fathom
S
TaglineAI search done right. Cited answers, not chat theater.Open-source VS Code agent. Reads + writes + runs.xAI's chatbot. Real-time X/Twitter data + fewer refusals.Meeting notes, free forever for individuals.
CategoryResearchCodingChatbotsMeetings
PricingFree + $20/mo ProFree (open source) + your API costsFree + $30/mo SuperGrok + included with X PremiumFree for individuals + $15-$29/user/mo teams
Best forReplacing Google for any question where you want a cited answer in seconds.VS Code users who want agentic coding without changing IDEs.Breaking news, live event tracking, users already on X.Solo operators, freelancers, small teams on a budget.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Live access to X posts for real-time events
  • Less restrictive on edgy questions
  • Fast inference on Grok-3 and up
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Writing quality trails Claude/ChatGPT
  • Political bias debates
  • Ecosystem is just X
  • Bot-joining model
  • Team features gated
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier for real-time. B-tier for everything else. Worth checking when news breaks.S-tier for solo + free. The best free option, hands down.
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