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TaglineOpen-source VS Code agent. Reads + writes + runs.AI search done right. Cited answers, not chat theater.OpenAI's browser agent. Clicks and types on websites for you.The fastest AI inference in the world. Crazy low latency.
CategoryCodingResearchAgentsDev Platform
PricingFree (open source) + your API costsFree + $20/mo ProIncluded with ChatGPT Pro $200/moFree tier + pay-as-you-go API
Best forVS Code users who want agentic coding without changing IDEs.Replacing Google for any question where you want a cited answer in seconds.Power users willing to pay $200/mo for a browser bot.Developers who need sub-100ms LLM responses.
Strengths
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
Kai's verdictA-tier. Best free agentic option in VS Code. Use with Claude for best results.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.B-tier. Still early. Manus is more flexible for less money.S-tier for speed. When latency is the product, start here.
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