Quick Answer
Last verified:
High confidence

E2B costs Free to $150 per MO as of August 2026, with 4 plans available including a free tier. Plans: Hobby (free), and Pro at $150/MO. Enterprise pricing is available on request. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

E2B offers 4 pricing tiers: Hobby, Pro, Ultimate, Enterprise. A free plan is available. Paid plans include Pro at $150/MO.

Last verified: | Sources: 1 pricing pages and reviews
Know Before You Buy — Try E2B Free

E2B lists $0-$150/MO, but hidden costs like implementation and support add to the total as of August 2026. Key hidden costs: usage-based billing nuances, cold start times billing, engineering and operational overhead. Verified from 1 sources by CostBench.

Hidden Costs Breakdown

1

Usage-Based Billing Nuances

high overage

E2B charges per second from sandbox creation to destruction, including boot time and idle periods, not just active execution.

industry

The clock runs from sandbox creation to destruction, including boot time and idle periods, not just active execution

2

Cold Start Times Billing

medium overage

The time a sandbox is booting, approximately 80ms-150ms, is billed and contributes to overall usage costs.

industry

Cold Start Times: Although E2B boasts fast cold starts (approximately 80ms-150ms), the time a sandbox is booting is still billed, contributing to overall usage costs

3

Engineering and Operational Overhead

high implementation

Significant engineering effort is required for designing the sandbox lifecycle, managing secrets, configuring networking, implementing cleanup processes, and developing workarounds for runtime caps.

industry

The clock runs from sandbox creation to destruction, including boot time and idle periods, not just active execution

4

Lack of GPU Support

high addon

E2B does not offer native GPU support, requiring buyers to integrate and incur costs from separate GPU providers, adding complexity and expense.

industry

Buyers requiring GPU acceleration for their AI agents must integrate and incur costs from separate GPU providers, adding complexity and expense

5

Scaling Costs for High Volume

critical overage

For high-volume usage exceeding approximately 2,000 sandbox hours per month, self-hosting Firecracker can be 3-6 times cheaper than E2B's managed service.

industry

Cold Start Times: Although E2B boasts fast cold starts (approximately 80ms-150ms), the time a sandbox is booting is still billed, contributing to overall usage costs

6

Idle Time

high overage

E2B's per-second billing charges for the entire duration a sandbox runs, regardless of active code execution or waiting for input, with only 15-30% of billed time potentially being productive compute.

industry

This "idle time" can significantly inflate costs, with only 15-30% of billed time potentially being productive compute for interactive AI applications.

7

Snapshot Storage

low addon

Persistent sandbox state, maintained through snapshots, accrues storage costs.

industry

Snapshot Storage: Persistent sandbox state, maintained through snapshots, accrues storage costs.

8

Network Egress

medium overage

High-bandwidth workloads can incur additional network egress fees.

industry

Network Egress: High-bandwidth workloads can incur additional network egress fees.

9

Structural Costs

high implementation

The Pro plan has a $150/month floor, required for production-grade limits, which can disproportionately impact low or spiky usage.

industry

This floor can disproportionately impact low or spiky usage.

10

Self-Hosting Overhead

high implementation

While E2B offers an open-source runtime for self-hosting, this option transfers the costs and complexities of managed orchestration, auto-scaling, snapshot systems, and SDK lifecycle management to the buyer.

industry

Snapshot Storage: Persistent sandbox state, maintained through snapshots, accrues storage costs.

11

Integration Complexity

high implementation

Integrating AI tools can involve significant unbudgeted expenses for process redesign, compute scaling, oversight responsibilities, and change management, potentially adding 35% to 50% to the original project budget.

industry

Integration Complexity: Integrating AI tools, including sandbox environments, can involve significant unbudgeted expenses for process redesign, compute scaling, oversight responsibilities, and change management, potentially adding 35% to 50% to the original project budget.

12

Concurrency Add-ons

medium addon

For higher concurrency, E2B offers 'Pro+' at +$500/month for 600 concurrent sandboxes and 'Pro++' at +$1,000/month for 1,100 concurrent sandboxes.

industry

Concurrency Add-ons: For higher concurrency, E2B offers "Pro+" at +$500/month for 600 concurrent sandboxes and "Pro++" at +$1,000/month for 1,100 concurrent sandboxes

13

Token Overages

high overage

AI agents often bill by API token consumption, and heavy automation with 400K to 2M cumulative input tokens per task can lead to significant costs.

industry

Heavy automation can lead to costs ranging from $500 to $2,000 per engineer per month

14

Training Time

low training

Initial training for developers on new AI coding assistants can take 2-4 hours at approximately $100 per hour.

industry

Training Time: Initial training for developers on new AI coding assistants can take 2-4 hours at approximately $100 per hour

15

Increased Review Overhead

high implementation

AI-generated code can introduce significant risks like high security vulnerability rates and doubled code churn, leading to increased review time and costs.

industry

Increased Review Overhead: AI-generated code can introduce significant risks, including high security vulnerability rates and doubled code churn, leading to increased review time and costs

16

Technical Debt Remediation

medium implementation

Addressing technical debt introduced by AI-generated code is another potential hidden cost.

industry

Technical Debt Remediation: Addressing technical debt introduced by AI-generated code is another potential hidden cost

17

MCP Infrastructure

medium implementation

Running Multi-Cloud Platform (MCP) servers to connect AI to enterprise systems can add $20-$50 per developer per month.

industry

While there's a free "Hobby" tier with 100 sandbox hours per month and a "Pro" tier at $150/month, exceeding included hours or concurrency limits incurs additional per-second charges

18

Subscription Floor

medium implementation

For production use, the Pro plan has a fixed cost of $150/month, which acts as a subscription floor.

industry

This can be a significant cost for low or spiky usage, as a prototype or low-traffic agent still pays this amount to unlock features like 24-hour sessions and higher concurrency.

19

No Integrated Agent Hosting/Co-location

high implementation

Buyers must deploy their agent logic on separate infrastructure, leading to network calls and potential latency for every tool invocation.

industry

This means buyers must deploy their agent logic on separate infrastructure, leading to network calls and potential latency for every tool invocation, which can accumulate across dozens of operations per session.

Frequently Asked Questions

01 What hidden costs should I budget for with E2B?

Beyond the license fee, budget for: Scaling Costs for High Volume (3-6 times cheaper); Structural Costs ($150/month); Integration Complexity (35% to 50%); Concurrency Add-ons (+$500/month); Token Overages ($500 to $2,000 per engineer per month); Training Time ($100 per hour); MCP Infrastructure ($20-$50 per developer per month); Subscription Floor ($150/month). Exact totals depend on your deployment size and negotiated terms.

02 Does E2B charge for implementation?

E2B implementation is not included in the license cost. Significant engineering effort is required for designing the sandbox lifecycle, managing secrets, configuring networking, implementing cleanup processes, and developing workarounds for runtime caps..

03 How much does E2B support cost?

Premium support pricing for E2B depends on your tier and contract terms. See the sourced cost breakdown above for any verified figures we have.

04 Are there overage or storage costs with E2B?

E2B charges per second from sandbox creation to destruction, including boot time and idle periods, not just active execution..

05 What add-ons cost extra with E2B?

Add-on pricing for E2B varies by feature. The sourced cost breakdown above lists any verified add-on costs we have.

Now You Know the Real Cost — Try E2B Free

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Prices and terms change; verify against the live pricing page.

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