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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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Leonardo.ai
A
GitHub Copilot
B
OpenAI Voice / Realtime
S
Fathom
S
TaglineGamer + creator image gen with model fine-tuning built in.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.ChatGPT's voice + the Realtime API for developers.Meeting notes, free forever for individuals.
CategoryImageCodingVoiceMeetings
PricingFree + $12-$60/moFree (limited) + $10/mo Pro + $19/mo BusinessVoice included with ChatGPT Plus; Realtime API by usageFree for individuals + $15-$29/user/mo teams
Best forIndie game devs, illustrators, anyone training custom style models.Teams with GitHub already. Devs who don't want to change IDEs.Voice chat users, developers building voice agents on OpenAI.Solo operators, freelancers, small teams on a budget.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • 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
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Pricey for production apps
  • Less voice variety than ElevenLabs
  • Platform lock-in
  • Bot-joining model
  • Team features gated
Kai's verdictA-tier for creators training custom looks. B-tier for general use.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 for solo + free. The best free option, hands down.
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