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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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Cursor TypeScript SDK A | Perplexity S | DeepInfra A | Lovable A | |
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| Tagline | Wire Cursor's full coding-agent runtime into your own apps, scripts, and CI/CD pipelines with a few lines of TypeScript. | AI search done right. Cited answers, not chat theater. | Blazing-fast, pay-as-you-go inference API for open-source LLMs and multimodal models, now plugged directly into the Hugging Face ecosystem. | Build a full app from a prompt. Stripe-ready. |
| Category | Dev Platform | Research | Dev Platform | Design |
| Pricing | 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 + $20/mo Pro | Free $5 credit on signup, then pay-as-you-go from $0.06/M tokens | Free + $25-$100/mo |
| Best for | 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. | Replacing Google for any question where you want a cited answer in seconds. | 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. | Non-devs + solopreneurs shipping MVPs. |
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| Kai's verdict | 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.) | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | 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.) | A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs. |
| Link | Open → | Open → | Open → | Open → |