Best E2B alternatives in 2026

Looking for an alternative to E2B? Whether you've outgrown it, find the pricing steep, or just want to weigh your options, these are the strongest development & it alternatives in 2026 — ranked on pricing, features, and who each one fits best. E2B itself has a free tier, so we've flagged where each option is cheaper, simpler, or more specialized.

1
Browserbase
Best for: developers
Headless browser infrastructure for AI. A popular development it alternative to E2B with a genuinely usable free tier — free – $99/mo. Particularly strong for developers.
4.5Free – $99/moVisit
2
Portkey
Best for: developers
If E2B feels like overkill or over-budget, Portkey is a leaner option with a genuinely usable free tier. AI gateway and observability for LLMs. Pricing: free – $49/mo.
4.5Free – $49/moVisit
3
Helicone
Best for: developers
Helicone goes head-to-head with E2B on features with a genuinely usable free tier. Open-source observability for LLM apps. Best suited to developers. Free – $20/seat/mo.
4.5Free – $20/seat/moVisit
4
Modal
Best for: developers
A well-rated development it pick. Serverless compute for AI and data. Modal offers a free plan and starts at free, making it a credible E2B replacement.
4.7FreeVisit
5
Bun
Best for: developers
Fast all-in-one JavaScript runtime. A popular development it alternative to E2B with a genuinely usable free tier — free. Particularly strong for developers.
4.7FreeVisit
6
Temporal
Best for: developers
If E2B feels like overkill or over-budget, Temporal is a leaner option with a genuinely usable free tier. Durable execution platform. Pricing: free.
4.7FreeVisit
7
K9s
Best for: developers
K9s goes head-to-head with E2B on features with a genuinely usable free tier. Terminal UI to manage Kubernetes clusters. Best suited to developers. Free.
4.7FreeVisit
8
Deno
Best for: developers
A well-rated development it pick. Secure JS/TS runtime + edge deploy. Deno offers a free plan and starts at free – $20/mo, making it a credible E2B replacement.
4.6Free – $20/moVisit

Still considering E2B itself? Read our E2B review →

Frequently asked questions

What is the best E2B alternative?

Browserbase is our top-rated E2B alternative for 2026. Headless browser infrastructure for AI. Free – $99/mo.

Is there a free E2B alternative?

Yes — Browserbase, Portkey, Helicone all offer a free tier you can start on without a credit card.

Why switch from E2B?

Common reasons are price, a simpler feature set, better fit for a specific use case, or platform support. Each tool above notes where it has an edge over E2B.