OpenAI API vs Supabase

Two Tech stack tools side by side: what each does, what it costs and who it suits.

The verdict Side by side Plans and pricing Who each is for Other options

The verdict

On the data we hold, Supabase comes out ahead. Here is why, point by point.

What the data says

Both have an API and an MCP server, so either works with AI employees.
In our Tech stack ranking, Supabase places 12 and OpenAI API 61 of 72.

Side by side

OpenAI API and Supabase compared
At a glance	OpenAI API	Supabase
Starts at	Not known yet	$25/mo
Free plan	Not known yet	Yes
API	Yes	Yes
MCP server	Yes	Yes
Links	Visit	Visit

Plans and pricing

OpenAI API

Pricing not in our catalogue yet.

Supabase

Free500 MB database, 5 GB egress, 1 GB file storage; limited to 2 active projects, paused after 1 week idle.Free
ProPer organisation, includes $10 monthly compute credit; usage-based beyond included quotas; no pausing.$25/mo
TeamPer organisation, adds SOC2 and ISO 27001 compliance, SSO-style access controls and longer backups.$599/mo

Prices as the vendors list them. They change often; the final price is on their sites.

Who each is for

Choose OpenAI API if…

A product or operations team with a developer that wants to build its own AI steps, such as drafting, classifying or voice, and prefers paying by usage over buying seats.

Visit Read the review

Choose Supabase if…

Technical founders and developers who want a managed Postgres database with built-in auth, APIs, storage and realtime for a web or mobile app, with the option to self-host later.

Visit Read the review

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