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Helicone vs Modal

Updated June 2026 · A structured head-to-head comparison.

Open-source observability for LLM apps.

Serverless compute for AI and data.

The verdict

Both Helicone and Modal are credible development it tools, and the right pick comes down to your priorities.

Helicone — Open-source observability for LLM apps.

Choose Modal if you'd rather have a higher overall rating (4.7/5). Serverless compute for AI and data.

Helicone vs Modal: side by side

DimensionHeliconeModal
Starting priceFree – $20/seat/moFree
Free planYesYes
Pricing modelFreemiumUsage-based
Best forDevelopers, Ai EngineersDevelopers, Ml Teams
PlatformsApi, Self Hosted, WebWeb, Api
Rating4.5/54.7/5Winner

Helicone key facts

Vendor
Helicone
Pricing
Freemium — Free – $20/seat/mo
Free tier
Yes
Platforms
Api, Self Hosted, Web
Best for
Developers, Ai Engineers
Editor rating
4.5 / 5
Founded
2023
Headquarters
San Francisco, CA, USA

Modal key facts

Vendor
Modal Labs
Pricing
Usage-based — Free
Free tier
Yes
Platforms
Web, Api
Best for
Developers, Ml Teams
Editor rating
4.7 / 5
Founded
2021
Headquarters
New York, NY, USA

Frequently asked questions

Is Helicone better than Modal?

Neither is universally better — Modal edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.

Is Helicone or Modal cheaper?

Helicone is the more affordable of the two to get started, at free – $20/seat/mo. Helicone starts at free – $20/seat/mo; Modal starts at free.

Can Helicone replace Modal?

Yes for most teams — both are development it tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.