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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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image
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S
GitHub Copilot
B
OpenAI Voice / Realtime
S
Adobe Firefly
A
TaglineRun any open-source AI model with an API call.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.ChatGPT's voice + the Realtime API for developers.Commercially safe image gen, deeply integrated with Photoshop.
Categorydev platformcodingvoiceimage
PricingPay per second of computeFree (limited) + $10/mo Pro + $19/mo BusinessVoice included with ChatGPT Plus; Realtime API by usageFree + included with Creative Cloud
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Teams with GitHub already. Devs who don't want to change IDEs.Voice chat users, developers building voice agents on OpenAI.Anyone in Creative Cloud. Brands that need copyright clarity.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Advanced Voice Mode feels genuinely conversational
  • Realtime API enables true two-way voice apps
  • Built into ChatGPT
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
Kai's verdictS-tier for open-source model APIs. The default in this space.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier for conversation. A-tier for TTS. Complement to ElevenLabs, not replacement.S-tier inside Photoshop (Generative Fill). B-tier standalone.
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