Compare AI tools
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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ChatGPT Operator B | Lex A | Claude Code S | Sudowrite S | |
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| Tagline | OpenAI's browser agent. Clicks and types on websites for you. | Google Docs with an AI collaborator baked in. | Anthropic's CLI agent. Opus-powered, operates on your repo directly. | AI writing tool built specifically for fiction writers. |
| Category | Agents | Writing | Coding | Writing |
| Pricing | Included with ChatGPT Pro $200/mo | Free + $12/mo | Part of Claude Pro/Max/Team plans | $19-$59/mo |
| Best for | Power users willing to pay $200/mo for a browser bot. | Essays, long-form drafts, thinking on the page. | Developers who want an agent, not autocomplete. Large refactors, tests, docs. | Novelists, screenwriters, fiction short-form writers. |
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| Kai's verdict | B-tier. Still early. Manus is more flexible for less money. | A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form. | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. | S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time. |
| Link | Open → | Open → | Open → | Open → |