What is App Stack Builder?

App Stack Builder is a free AI-powered tool that helps founders and developers choose the right tech stack for their projects based on budget, app type, team size, and skill level.

What is the best tech stack for SaaS in 2026?

The best tech stack for SaaS in 2026 typically includes Next.js 16 for frontend, Supabase for database and auth, Vercel for hosting, Stripe for payments, and PostHog for analytics. App Stack Builder can generate a personalized recommendation based on your specific budget and requirements.

Is App Stack Builder free to use?

Yes, App Stack Builder is completely free to use. You can generate unlimited tech stack recommendations without any cost.

What types of apps can I build with the recommended stacks?

App Stack Builder supports various app types including SaaS applications, web apps, mobile apps, e-commerce stores, internal tools, and AI/ML products.

How much does a SaaS tech stack cost per month?

A modern SaaS tech stack can cost anywhere from $0-50/month for bootstrapped startups using free tiers, $100-300/month for growth-stage startups, to $500+/month for enterprise-ready infrastructure. App Stack Builder helps you find the best tools within your specific budget.

What is the best tech stack for solo founders?

For solo founders, we recommend Next.js + Vercel (free), Supabase (free tier), Supabase Auth (free), Stripe (pay as you go), and Plausible or PostHog for analytics. This stack can run your entire SaaS for under $50/month.

Can I export my tech stack recommendations?

Yes, you can export your tech stack recommendations as a PDF document or copy them to your clipboard. You can also share a link to your stack with others.

AI Gateways & LLM ProxiesFree tier

Cloudflare AI Gateway: Pricing, Features & Alternatives

Cloudflare AI Gateway sits between your app and model providers on Cloudflare's edge. Analytics, caching and rate limiting are free on every plan; you change the base URL and keep your provider keys. Gateways created after Sep 24 2026 store logs under Workers Logs pricing (older gateways keep 100,000 logs on Workers Free and 10 million per gateway on Workers Paid). Guardrails are billed as Workers AI inference. Unified Billing lets you pay providers through Cloudflare for a 5% fee on credits, with no markup on inference.

Cloudflare AI Gateway Pricing Plans (2026)

Plan	Price	Highlights
FreePopular	$0	Analytics, caching and rate limiting · Works with your own provider keys · DLP scanning
Workers Paid	$5 / month (Workers Paid)	Larger log allowance · Logpush (10M requests included)
Unified Billing	5% fee on credits	Pay model providers through Cloudflare · No markup on inference

Pricing summary: Free · paid from $5/mo. Always confirm current pricing on the official site.

Key Cloudflare AI Gateway Features

Analytics, caching and rate limiting
Works with your own provider keys
DLP scanning

Pros

+Core features are free
+Runs on Cloudflare's global edge
+Nothing to host

Cons

−No per-team virtual keys or budgets like LiteLLM
−Log pricing changed for gateways made after Sep 24 2026
−Guardrails billed as extra inference

Best Cloudflare AI Gateway Alternatives

Compare all

LiteLLM

Free · paid plans by quote

Helicone

Free · paid from $79/mo

Portkey

Free · paid from $49/mo

Cloudflare AI Gateway Compared

Cloudflare AI Gateway vs LiteLLM Cloudflare AI Gateway vs Helicone Cloudflare AI Gateway vs Portkey

In-depth guideOpenRouter vs LiteLLM (2026): Hosted AI Gateway vs Open-Source LLM ProxyOpenRouter is a hosted service: one key, 500+ models, a 5.5% fee on credits. LiteLLM is MIT-licensed software you run yourself, with virtual keys and budgets per team. How each works, what the gateway costs at three spend levels, and why this site runs on OpenRouter.

Cloudflare AI Gateway FAQ

What is Cloudflare AI Gateway used for?⌄

Cloudflare AI Gateway is a ai gateways & llm proxies tool. Free AI gateway on Cloudflare's network: analytics, caching, rate limiting and fallbacks in front of any model provider.

Is Cloudflare AI Gateway free?⌄

Yes — Cloudflare AI Gateway has a free tier you can start with, and paid plans for more usage and features.

How much does Cloudflare AI Gateway cost?⌄

Cloudflare AI Gateway offers a free tier, with paid plans starting at $5/month. Some plans are usage-based (pay-as-you-go).

What are the best Cloudflare AI Gateway alternatives?⌄

Popular Cloudflare AI Gateway alternatives include LiteLLM, Helicone, Portkey. Compare pricing and features on our Cloudflare AI Gateway alternatives page.