E2B vs Modal: Which is Better in 2026?
Choosing between E2B and Modal? Both are popular agent sandboxes & code execution 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
Both are solid agent sandboxes & code execution options. E2B is cheaper to start, but the right choice depends on the specific features and integrations you need.
E2B vs Modal — Side by Side
| E2B | Modal | |
|---|---|---|
| Category | Agent Sandboxes & Code Execution | Agent Sandboxes & Code Execution |
| Pricing | Free · paid from $150/mo | Free · paid from $250/mo |
| Starting price | Free tier available | Free tier available |
| Free tier | ||
| Rating | 4.6 | 4.7 |
| Best for | Agent Sandboxes & Code Execution — sandbox, agents | Agent Sandboxes & Code Execution — sandbox, serverless |
Pros & Cons
- Purpose-built for agents, with SDKs designed around tool calls
- Fast microVM startup with real isolation
- Open-source core
- $150/month before any compute on the first paid tier
- Hobby sessions cap at one hour
- Usage billing on top of the plan makes costs harder to forecast
- Sandboxes, GPUs and jobs on one platform and one bill
- Infrastructure as Python, with no YAML or Dockerfiles required
- $30/month free covers a lot of prototyping
- Python-first; other languages are second-class
- CPU sandbox rates are higher than dedicated sandbox vendors
- Team plan is a $250 step up
Key Features Compared
E2B
- Sessions up to 24 hours
- 100 concurrent sandboxes
- Add-ons to 600 or 1,100 concurrent
Modal
- 3 workspace seats
- Sandboxes, functions and GPUs
- Per-second billing
Choose E2B if…
- You want a free tier to validate before paying.
- Budget is tight — paid plans start lower ($150/mo vs $250/mo).
- Purpose-built for agents, with SDKs designed around tool calls
- Fast microVM startup with real isolation
Choose Modal if…
- You want a free tier to validate before paying.
- Sandboxes, GPUs and jobs on one platform and one bill
- Infrastructure as Python, with no YAML or Dockerfiles required
- $30/month free covers a lot of prototyping
Frequently Asked Questions
Is E2B better than Modal?⌄
Both are solid agent sandboxes & code execution options. E2B is cheaper to start, but the right choice depends on the specific features and integrations you need.
What is the difference between E2B and Modal?⌄
E2B — Open-source cloud sandboxes built for AI agents to run code in. The Hobby tier is free with $100 in credits, and Pro is $150/month plus usage. Modal — Serverless compute for Python, with sandboxes, GPUs and per-second billing. Starter is free with $30/month in compute credit. Both are agent sandboxes & code execution tools; the comparison table above breaks down pricing, free tiers, and what each is best for.
E2B vs Modal: which is cheaper?⌄
E2B pricing: Free · paid from $150/mo. Modal pricing: Free · paid from $250/mo. Confirm current pricing on each tool's official site, as plans change.
Which is rated higher, E2B or Modal?⌄
In our catalog, E2B rates 4.6 out of 5 and Modal rates 4.7 out of 5, so Modal has a slight edge on reviews.
See more options in our guide to the best agent sandboxes & code execution tools for startups.
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