AI-first SaaS
LLM-first products with fast inference, monitoring, and cost control.
Decision checklist
- •Measure latency and token costs early
- •Plan for rate limits and fallback models
- •Keep user auth and billing simple
- •Instrument usage and quality metrics
- •Separate model costs from platform costs
Head-to-head comparisons
AI & LLM APIs
Large language models and AI APIs for building intelligent applications
GPT-4 and the most popular LLM API
OpenAI is the default choice for most AI applications. GPT-4 remains the most capable model, but alternatives are catching up.
Safe, helpful AI assistant
Claude is the best choice for tasks requiring long context or nuanced understanding. The 200K context window is unmatched.
Fastest inference for open models
Groq is the fastest LLM inference available. Perfect when latency matters and you're okay with open-source models.
Authentication
User authentication and identity management solutions for developers
Drop-in authentication for modern apps
Clerk is the best choice for React/Next.js developers who want beautiful auth out of the box. The DX is unmatched, but costs can add up.
Hosting & Deployment
Deploy and host your web applications with ease
The frontend cloud
Vercel is the obvious choice for Next.js projects. The DX is unmatched. Consider alternatives if you need containers or have cost concerns.
Databases
Managed database solutions for modern applications
Serverless Postgres
Neon is the best serverless Postgres for Vercel/Next.js projects. Scale-to-zero billing is perfect for side projects.
Monitoring & Logging
Error tracking, performance monitoring, and application logging
Application monitoring for developers
Sentry is the default choice for error tracking. Session replay and performance monitoring make it a complete solution.
Analytics
Privacy-friendly analytics and user behavior tracking
All-in-one product analytics
PostHog is the best all-in-one product analytics platform. The free tier is incredibly generous for startups.
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