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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
Writing
Data
Marketing
Education
Cline
A
OpenRouter
S
Adobe Firefly
A
NotebookLM
S
TaglineOpen-source VS Code agent. Reads + writes + runs.One API, every model. Pay-as-you-go, no subscriptions.Commercially safe image gen, deeply integrated with Photoshop.Google's research notebook. Turns your docs into a podcast.
CategoryCodingDev PlatformImageResearch
PricingFree (open source) + your API costsPay per token — model-dependentFree + included with Creative CloudFree
Best forVS Code users who want agentic coding without changing IDEs.Developers experimenting across models. Apps that want fallback logic.Anyone in Creative Cloud. Brands that need copyright clarity.Students, researchers, anyone with a stack of PDFs or a topic to learn.
Strengths
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
Weaknesses
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Slight markup over direct API
  • Some provider features not exposed
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
  • Google-only
  • Can be slow on large corpora
Kai's verdictA-tier. Best free agentic option in VS Code. Use with Claude for best results.S-tier for model-shopping. I use this for every prototype before committing.S-tier inside Photoshop (Generative Fill). B-tier standalone.S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.
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