Quick Answer
Last verified:
Medium confidence

Modal costs Free to $250 per month as of September 2026, with 3 plans available including a free tier. Plans: Starter (free), and Team at $250/month. Custom 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

Modal offers 3 pricing tiers: Starter, Team, Enterprise. A free plan is available. Paid plans include Team at $250/user/month. The Team plan is startups and larger organizations scaling quickly.

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

Modal lists $0-$250/month, but hidden costs like implementation and support add to the total as of September 2026. Key hidden costs: critical cost multipliers, sandbox pricing premium, unpredictable usage costs. Verified from 1 sources by CostBench.

Hidden Costs Breakdown

1

Critical Cost Multipliers

high overage

Production workloads on Modal incur multipliers, such as 3.75x for non-preemptible US workloads, significantly increasing costs; 10,000 monthly CPU-hours advertised at $471.60 could cost $1,768.50.

industry

This means that 10,000 monthly CPU-hours, advertised at a base cost of $471.60, could actually cost $1,768.50 with these multipliers applied

2

Sandbox Pricing Premium

medium addon

Modal Sandboxes force non-preemptible pricing at a 3x premium over the base CPU rate. A 4-core, 16GB sandbox running continuously could cost approximately $685 monthly.

industry

Sandbox Pricing: Modal Sandboxes, designed for persistent agent workloads, force non-preemptible pricing at $0.00003942 per CPU core per second, which is a 3x premium over the base CPU rate of $0.0000131

3

Unpredictable Usage Costs

high overage

Modal's per-second usage model lacks transparency, making monthly bill estimation challenging due to inefficient code or unexpected usage spikes. One developer reported a "$400 bill from a runaway cron job."

industry

The per-second usage model can make estimating monthly bills challenging, as inefficient code or unexpected spikes in usage can significantly impact the final cost

4

Developer Hours for AI Projects

high implementation

Building and maintaining production-ready AI applications requires substantial time from specialized engineers.

industry

These include: * Developer Hours: Building and maintaining production-ready AI applications requires substantial time from specialized engineers

5

Data Preparation Costs for AI Projects

high implementation

Data preparation can consume 50-70% of project time and 15-35% of project costs, including data labeling ranging from $0.10-$5.00 per data point.

industry

Data Preparation: This can consume 50-70% of project time and 15-35% of project costs, including data labeling (ranging from $0.10-$5.00 per data point)

6

AI Integration Complexity

medium implementation

Integrating AI solutions with existing systems can be more complex and costly than initially estimated.

industry

Integration Complexity: Integrating AI solutions with existing systems can be more complex and costly than initially estimated

7

Ongoing AI Model Maintenance

high support

AI models require annual maintenance, typically 15-30% of infrastructure costs, due to model drift and the need for retraining.

industry

Ongoing Maintenance: AI models require annual maintenance, typically 15-30% of infrastructure costs, due to model drift and the need for retraining

8

GPU Compute Costs Beyond the Plan Fee

high overage

Modal's Starter ($0/month) and Team ($250/month) plan fees are just the base subscription. Actual GPU usage is billed separately per hour. Community users report GPU costs starting at approximately $2/hr per GPU as a baseline, with large model serving (e.g., Kimi K2, 70B+ parameter models) running approximately $72/hr. These compute charges accumulate rapidly and can dwarf the monthly subscription cost.

hn

Pricing is about $2/hr per GPU (as a baseline of the costs). Long story short, things get VERY expensive quickly.

hn

On Modal, I think should cost about $72/hr to serve Kimi K2 https://modal.com/pricing

9

DIY Infrastructure Configuration Overhead

medium implementation

Modal is a 'cheap-but-DIY' platform that requires users to configure their own inference stack (e.g., vLLM) and self-manage cold start latency. Managed inference providers handle these automatically; on Modal, engineering time to set up, tune, and maintain the inference pipeline is a real hidden cost not reflected in the plan price.

hn

cheap-but-DIY (Modal, RunPod — you configure vLLM yourself and deal with slow cold starts)

Frequently Asked Questions

01 What hidden costs should I budget for with Modal?

Beyond the license fee, budget for: Critical Cost Multipliers ($1,768.50); Sandbox Pricing Premium ($685 monthly); Unpredictable Usage Costs ($400); Data Preparation Costs for AI Projects (15-35% of project costs); Ongoing AI Model Maintenance (15-30% of infrastructure costs); GPU Compute Costs Beyond the Plan Fee ($2-$72/hour per GPU); DIY Infrastructure Configuration Overhead (5-15% of license costs). Exact totals depend on your deployment size and negotiated terms.

02 Does Modal charge for implementation?

Modal implementation is not included in the license cost. Building and maintaining production-ready AI applications requires substantial time from specialized engineers..

03 How much does Modal support cost?

AI models require annual maintenance, typically 15-30% of infrastructure costs, due to model drift and the need for retraining.. Estimated impact: 15-30% of infrastructure costs.

04 Are there overage or storage costs with Modal?

Production workloads on Modal incur multipliers, such as 3.75x for non-preemptible US workloads, significantly increasing costs; 10,000 monthly CPU-hours advertised at $471. Estimated impact: $1,768.50.

05 What add-ons cost extra with Modal?

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

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