--- title: "2 Best Modal Alternatives in 2026 (Compared)" description: "Looking for a Modal alternative? Compare the best Agent Sandboxes & Code Execution alternatives to Modal by pricing, free tiers, and features — find the right fit for your startup." source: https://appstackbuilder.com/tool-alternatives/modal retrieved: 2026-10-07 --- Agent Sandboxes & Code Execution # The 2 Best Modal Alternatives in 2026 Looking for an alternative to [Modal](https://appstackbuilder.com/tools/modal)? Below we compare the best agent sandboxes & code execution alternatives by pricing, free tiers, and what each is best for — so you can pick the right fit for your budget and stack. Category Agent Sandboxes & Code Execution Modal pricing Free tier available Free tier Yes Alternatives 2 compared ## Why look for a Modal alternative? Modal is a solid agent sandboxes & code execution choice, but it isn't the right fit for everyone. The most common reasons teams evaluate alternatives: * −Python-first; other languages are second-class * −CPU sandbox rates are higher than dedicated sandbox vendors * −Team plan is a $250 step up ## Modal vs Alternatives — Quick Comparison | Tool | Pricing | Free tier | Rating | Best for | | ----------------------------------------- | ------------------------ | --------- | ------ | ------------------------------------------------------- | | [Modal](https://appstackbuilder.com/tools/modal)You searched | Free · paid from $250/mo | ✓ | 4.7 | Agent Sandboxes & Code Execution — sandbox, serverless | | 1.[E2B](https://appstackbuilder.com/tools/e2b) | Free · paid from $150/mo | ✓ | 4.6 | Agent Sandboxes & Code Execution — sandbox, agents | | 2.[Vercel Sandbox](https://appstackbuilder.com/tools/vercel-sandbox) | Free · then usage-based | ✓ | 4.5 | Agent Sandboxes & Code Execution — sandbox, firecracker | ## Top Modal Alternatives, Explained ![E2B](https://www.google.com/s2/favicons?domain=e2b.dev&sz=128) ### 1. E2B Free tier4.6· Free · paid from $150/mo E2B is the sandbox layer many agent products and code-interpreter features call when a model writes code that has to actually run. Each sandbox is an isolated microVM that starts in well under a second, with SDKs for Python and JavaScript and filesystem, process and network access. Compute is billed per second on every plan ($0.000014 per vCPU-second, $0.0000045 per GiB-second). Plans change the limits: Hobby is free with $100 of one-time credit, 1-hour sessions and 20 concurrent sandboxes. Pro is $150/month for 24-hour sessions and 100 concurrent sandboxes, with add-ons up to 1,100\. Enterprise starts at $3,000/month and adds bring-your-own-cloud. * ✓Purpose-built for agents, with SDKs designed around tool calls * ✓Fast microVM startup with real isolation * ✓Open-source core [E2B pricing & review ](https://appstackbuilder.com/tools/e2b)[Modal vs E2B ](https://appstackbuilder.com/compare/e2b-vs-modal) ![Vercel Sandbox](https://www.google.com/s2/favicons?domain=vercel.com&sz=128) ### 2. Vercel Sandbox Free tier4.5· Free · then usage-based Vercel Sandbox runs each session in an isolated Firecracker microVM, in 19 regions, with up to 8 vCPUs and 24-hour sessions on Pro. Its pricing suits agents well. Active CPU is billed only while code is actually executing ($0.128/hour); time spent waiting on an LLM call does not count. Memory is billed as provisioned ($0.0212/GB-hour), and downloads such as npm installs are free. Hobby includes 5 CPU-hours, 420 GB-hours and 5,000 creations a month, with 45-minute sessions and 10 concurrent sandboxes. On Pro, usage draws down the plan's $20 monthly credit first, and concurrency rises to 10,000. * ✓Active-CPU billing: idle time waiting on the model is free * ✓Firecracker isolation with snapshots and persistent drives * ✓Natural fit if the app already runs on Vercel [Vercel Sandbox pricing & review ](https://appstackbuilder.com/tools/vercel-sandbox)[Modal vs Vercel Sandbox ](https://appstackbuilder.com/compare/modal-vs-vercel-sandbox) ## Frequently Asked Questions What are the best alternatives to Modal in 2026?⌄ The best Modal alternatives in 2026 are E2B, Vercel Sandbox. Each is a agent sandboxes & code execution option you can compare on pricing, free tiers, and features in the table above. Is there a free alternative to Modal?⌄ Yes — E2B, Vercel Sandbox offer free tiers, making them strong free Modal alternatives for bootstrapped startups. Why look for a Modal alternative?⌄ A common reason teams switch is python-first; other languages are second-class. Beyond that, people compare agent sandboxes & code execution tools on pricing, specific feature gaps, ease of use, and whether an open-source or free-tier option exists — so they can pick the best fit for their stack and budget. What is the cheapest Modal alternative?⌄ E2B is among the most affordable Modal alternatives — free · paid from $150/mo. Check the comparison table above for the full pricing breakdown. Which Modal alternative is rated highest?⌄ E2B is the highest-rated Modal alternative in our catalog at 4.6 out of 5, making it a strong pick if you want a well-reviewed option. ## Find your perfect agent sandboxes & code execution tool Skip the research. Get a free AI-powered tech stack matched to your budget, app type, and team size in seconds. [Build my stack free ](https://appstackbuilder.com/)