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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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Claude Code
S
Devin
A
Groq
S
NotebookLM
S
TaglineAnthropic's CLI agent. Opus-powered, operates on your repo directly.Cognition Labs' autonomous coding engineer.The fastest AI inference in the world. Crazy low latency.Google's research notebook. Turns your docs into a podcast.
CategoryCodingAgentsDev PlatformResearch
PricingPart of Claude Pro/Max/Team plans$500/moFree tier + pay-as-you-go APIFree
Best forDevelopers who want an agent, not autocomplete. Large refactors, tests, docs.Engineering teams offloading tickets. Ops/platform work.Developers who need sub-100ms LLM responses.Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
Weaknesses
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Google-only
  • Can be slow on large corpora
Kai's verdictS-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier for speed. When latency is the product, start here.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
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