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.

Browserbase vs Steel: Which is Better in 2026?

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Browser Infrastructure for AI Agents

Choosing between Browserbase and Steel? Both are popular browser infrastructure for ai agents tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.

Quick verdict

Steel is the safer pick if budget matters — it has a free tier, while Browserbase does not. Choose Browserbase when its specific features justify the cost.

Browserbase vs Steel — Side by Side

	Browserbase	Steel
Category	Browser Infrastructure for AI Agents	Browser Infrastructure for AI Agents
Pricing	From $20/mo	Free · then usage-based
Starting price	From $20/mo	Free tier available
Free tier	—
Rating	4.6	4.5
Best for	Browser Infrastructure for AI Agents — headless-browser, ai-agents	Browser Infrastructure for AI Agents — headless-browser, ai-agents

Pros & Cons

Browserbase

Built for AI agents, with Stagehand from the same team
Session replay for debugging
Proxies and CAPTCHA handling

Proxy bandwidth adds to the bill
No large free tier
Closed-source platform

Steel

100 free browser hours a month
Open source, so you can self-host
Agent-friendly API

Smaller company than Browserbase
Fewer enterprise features
Self-hosting browsers is heavy on memory

Key Features Compared

Browserbase

Managed Chromium sessions
Overage $0.12 / browser hour
Session recordings

Steel

100 browser hours / month
Session management
Playwright and Puppeteer

Choose Browserbase if…

Built for AI agents, with Stagehand from the same team
Session replay for debugging
Proxies and CAPTCHA handling

Browserbase review & pricing

Choose Steel if…

You want to start free — Steel has a free tier and Browserbase does not.
100 free browser hours a month
Open source, so you can self-host
Agent-friendly API

Steel review & pricing

Frequently Asked Questions

Is Browserbase better than Steel?⌄

Steel is the safer pick if budget matters — it has a free tier, while Browserbase does not. Choose Browserbase when its specific features justify the cost.

What is the difference between Browserbase and Steel?⌄

Browserbase — Headless browser platform for AI agents and automation: run Playwright, Puppeteer or Stagehand on managed Chromium with sessions, proxies and recordings. Steel — Open-source browser API for AI agents with 100 free browser hours a month, then usage-based pricing. Both are browser infrastructure for ai agents tools; the comparison table above breaks down pricing, free tiers, and what each is best for.

Browserbase vs Steel: which is cheaper?⌄

Browserbase pricing: From $20/mo. Steel pricing: Free · then usage-based. Confirm current pricing on each tool's official site, as plans change.

Which is rated higher, Browserbase or Steel?⌄

In our catalog, Browserbase rates 4.6 out of 5 and Steel rates 4.5 out of 5, so Browserbase has a slight edge on reviews.

See more options in our guide to the best browser infrastructure for ai agents tools for startups.

In-depth guideBest Browser Infrastructure for AI Agents 2026: Kitesurf vs Browserbase vs Browser UseCloudflare shipped a browser with no Chromium in it. Kitesurf, Browserbase, Browser Use, Steel, Stagehand and Firecrawl compared on cost per browser hour, session persistence, and anti-bot reality.