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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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S
DALL-E 3
B
GitHub Copilot
B
Stable Audio
A
TaglineRun any open-source AI model with an API call.OpenAI's image model. Built into ChatGPT Plus.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Stability AI's open audio model. Loops + SFX + background.
Categorydev platformimagecodingaudio
PricingPay per second of computeIncluded with ChatGPT Plus $20/moFree (limited) + $10/mo Pro + $19/mo BusinessFree + $12/mo Pro + enterprise
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).ChatGPT Plus users who want images without paying extra.Teams with GitHub already. Devs who don't want to change IDEs.Game developers, podcasters needing SFX, video creators needing background music.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Not for full songs with vocals
  • Shorter generation limits
Kai's verdictS-tier for open-source model APIs. The default in this space.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.
LinkOpen →Open →Open →Open →