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 | Cursor TypeScript SDK A | Lex A | DeepInfra A | |
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| Tagline | OpenAI's browser agent. Clicks and types on websites for you. | Wire Cursor's full coding-agent runtime into your own apps, scripts, and CI/CD pipelines with a few lines of TypeScript. | Google Docs with an AI collaborator baked in. | Blazing-fast, pay-as-you-go inference API for open-source LLMs and multimodal models, now plugged directly into the Hugging Face ecosystem. |
| Category | Agents | Dev Platform | Writing | Dev Platform |
| Pricing | Included with ChatGPT Pro $200/mo | Token-based; requires Cursor plan (Pro from $20/mo). Composer 2 at $0.50/$2.50 per M tokens (in/out); fast variant $1.50/$7.50 per M tokens. | Free + $12/mo | Free $5 credit on signup, then pay-as-you-go from $0.06/M tokens |
| Best for | Power users willing to pay $200/mo for a browser bot. | Engineering teams who already use Cursor and want to embed its coding-agent runtime into CI/CD pipelines, backend services, or internal developer tools without building agent infrastructure from scratch. | Essays, long-form drafts, thinking on the page. | Backend developers and ML engineers who want the cheapest reliable inference for open-weight LLMs in production, especially those already living inside the Hugging Face ecosystem. |
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| Kai's verdict | B-tier. Still early. Manus is more flexible for less money. | If your team is already in the Cursor ecosystem, this is a genuinely compelling way to turn ad-hoc AI coding sessions into durable, automated workflows — but the beta label and Cursor's history with opaque pricing mean you'll want to set hard budget guardrails before going to production. (Verdict pending Phi's full review.) | A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form. | DeepInfra is the quiet workhorse of the inference API space — serious price performance on H100s, a genuinely clean OpenAI-compatible API, and now a native HF provider makes it a strong default choice for any team running open-source models at scale. (Verdict pending Phi's full review.) |
| Link | Open → | Open → | Open → | Open → |