Judge0 CE

● Identity checked

Developer tools · Vendor site 2026-10-04

Judge0 is an open source, sandboxed online code execution engine for humans and AI agents. It powers competitive programming, e-learning, assessment, and IDE products with support for many programming languages and a documented HTTP API.

Updated 2026-10-04View sources

Official website

Category: Developer tools
Free access: Judge0 can be self-hosted from the open source project; shared cloud tiers on the homepage are priced in euros.
API access: Homepage highlights a robust Judge0 API platform with verbose API documentation for online code execution integrations.

Is Judge0 CE right for you?

A good fit for

Edtech vendors, hiring platforms, and AI products that need secure remote compilation and execution at scale.

Before you choose

Hosted Pro, Ultra, and Mega tiers cap daily submissions unless you pay per extra submission on the vendor cloud.

Code execution for products

Judge0.com markets an open source execution engine plus Judge0 IDE experiences so developers can embed safe multi-language runs in browsers, apps, and AI workflows.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

Capability	Value	Evidence	Checked
Languages	Homepage states support for 60+ programming languages in the execution engine.	Facts sourced	2026-10-04
Deployment	Marketing lists quick self-hosted or cloud installation options for the API platform.	Facts sourced	2026-10-04
Sandboxing	Site copy emphasizes sandboxed compilation and execution with configurable time and memory limits.	Facts sourced	2026-10-04

Understand the total cost

Judge0 CE pricing & plans

Free

Judge0 can be self-hosted from the open source project; shared cloud tiers on the homepage are priced in euros.

Access: Judge0 can be self-hosted from the open source project; shared cloud tiers on the homepage are priced in euros.

Explore pricing & history

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The practical questions

Frequently asked questions

What is Judge0 CE used for?

Does Judge0 CE have a free plan?

Judge0 can be self-hosted from the open source project; shared cloud tiers on the homepage are priced in euros.. This record lists ongoing free access; check the plan limits before starting.

How much does Judge0 CE cost?

No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use Judge0 CE through an API?

Homepage highlights a robust Judge0 API platform with verbose API documentation for online code execution integrations.. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

Hosted Pro, Ultra, and Mega tiers cap daily submissions unless you pay per extra submission on the vendor cloud.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Identity and profile

Reviewed vendor source

Read original source ↗

2026-10-04

Facts apply to the named version and check date. Send a sourced correction if something changed.