# PlanetScale: what AI models say (September 2026)

Source: Memetik Index, https://www.memetik.ai/vendors/planetscale
Website: https://planetscale.com

PlanetScale was named in 32 of 50 AI answers across 1 category. Best position: Databases for startups, 64% answer share, ranked #5, named first in 0%.

## What PlanetScale is

PlanetScale provides managed cloud databases for Postgres and Vitess. It is built for Tier 0 database workloads, with PlanetScale Postgres starting at $5 per month and PlanetScale Metal starting at $50 per month.

PlanetScale provides managed PostgreSQL clusters on NVMe-backed infrastructure. Its high-availability clusters use automatic failover across three availability zones. It supports database branching, replicas and automated backups. For MySQL workloads, Vitess scales databases through explicit sharding.

Pricing: PlanetScale Postgres starts at $5 per month, and PlanetScale Metal starts at $50 per month.
Founded: 2018
(From PlanetScale's own website, read 2026-09-02.)

## By category

| Category | Rank | Answer share | Named first | Models |
|---|---|---|---|---|
| Databases for startups (https://www.memetik.ai/index/startup-databases) | #5 of 17 | 64% | 0% | GPT-5.6 Sol, ChatGPT, GPT-5.6 Luna, Claude Opus 5, Claude, Claude Fable 5, Gemini, Gemini 3.5 Flash, Perplexity, Sonar Reasoning Pro |

## What the models said

> "Choose PlanetScale if your team already uses MySQL or you care most about MySQL-compatible scaling and operational simplicity."
> — Perplexity, Databases for startups

> "Choose PlanetScale if you are building an app where high uptime, zero-downtime schema changes, and scale are your primary worries."
> — Gemini 3.5 Flash, Databases for startups

> "PlanetScale: consider it for MySQL/Vitess-oriented workloads where horizontal database scaling is a central requirement."
> — GPT-5.6 Sol, Databases for startups

> "Pick PlanetScale if schema stability, high concurrency, and uptime are your primary concerns."
> — Gemini, Databases for startups