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Comparison · Infra & APIs

PlanetScale vs Ably

A side-by-side editorial comparison of PlanetScale and Ably — release velocity, themes, recent moves, and the top alternatives to consider.

PlanetScale vs Ably: at a glance

FeaturePlanetScaleAbly
SectorInfra & APIs, DevOpsInfra & APIs
Velocity score0.07.5
Sparks · 30d02
Top themesdatabase, postgres, api-coverage, terraformai transport, realtime messaging, agents, mau-billing
Last editorial update3mo ago21h ago
WebsiteVisit →—

What is PlanetScale?

PlanetScale is building out Postgres while making every control reachable without the dashboard.

The Postgres line carries the new capability: vectorscale extension support, storage configurable at database creation, out-of-memory alerts by both email and webhook, a customisable log line prefix, a Discovery Tool for evaluating existing databases, and updated pricing for private connection traffic. Database Traffic Control introduced resource budgets and has since gained warning thresholds and CLI management. The surface work is constant — API endpoints for backup policies, maintenance schedules, schema recommendations, deploy-request storage checks and invoice status, a Terraform provider at v1, and an Insights-only MCP server.

Read the full PlanetScale trajectory →

What is Ably?

Ably's AI Transport hits 1.0 and plugs straight into Vercel's useChat with resumable streams.

Ably is repositioning its realtime pub/sub network as the transport layer for AI agent output. AI Transport JS 1.0 runs on ordinary Pub/Sub channels and ships adaptors for the Vercel AI SDK, OpenAI Responses API and AG-UI, plus a useChat transport that resumes a stream after a reload. It lands a week after the switch to monthly-active-user pricing and breaking SDK majors that split every client into device and server packages.

Read the full Ably trajectory →

PlanetScale vs Ably: editorial side-by-side

PlanetScale logo
PlanetScale
INFRA · APISDEVOPS
0.0

PlanetScale is building out Postgres while making every control reachable without the dashboard.

◆ Current state

The Postgres line carries the new capability: vectorscale extension support, storage configurable at database creation, out-of-memory alerts by both email and webhook, a customisable log line prefix, a Discovery Tool for evaluating existing databases, and updated pricing for private connection traffic. Database Traffic Control introduced resource budgets and has since gained warning thresholds and CLI management. The surface work is constant — API endpoints for backup policies, maintenance schedules, schema recommendations, deploy-request storage checks and invoice status, a Terraform provider at v1, and an Insights-only MCP server.

◆ Where it's heading

PlanetScale is doing two things at once: closing the gap between its Postgres offering and its MySQL heritage, and making every operation scriptable. The API, Terraform and MCP work share a single goal — nothing should require the dashboard — and the schema-recommendations feature landing simultaneously as a REST endpoint and an MCP tool is the clearest statement of it. Traffic Control is the exception, launched as a named product surface and then immediately given the same CLI and threshold treatment.

◆ Prediction

Expect the remaining Postgres parity items and more MCP tools mirroring existing REST endpoints, following the schema-recommendations pattern where both arrived together.

A
Ably
INFRA · APIS
7.5

Ably's AI Transport hits 1.0 and plugs straight into Vercel's useChat with resumable streams.

◆ Current state

Ably is repositioning its realtime pub/sub network as the transport layer for AI agent output. AI Transport JS 1.0 runs on ordinary Pub/Sub channels and ships adaptors for the Vercel AI SDK, OpenAI Responses API and AG-UI, plus a useChat transport that resumes a stream after a reload. It lands a week after the switch to monthly-active-user pricing and breaking SDK majors that split every client into device and server packages.

◆ Where it's heading

The November releases fit one plan: split clients so MAU billing can count end users, then make the AI layer a thin adaptor on top of the same channels used for chat, presence and LiveObjects. Server-side additions in Java and JS (HTTP LiveObjects, channel pools, a Temporal plugin) point at agent backends as the intended publisher.

◆ Prediction

Expect more agent framework adaptors and server SDKs reaching AI Transport parity, with Chat and LiveObjects examples built around agents joining human conversations.

Alternatives to PlanetScale and Ably

Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either PlanetScale or Ably.

See all PlanetScale alternatives → · See all Ably alternatives →

Recent activity from PlanetScale and Ably

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 1d agoAblyAI Transport 1.0 makes Ably a resumable transport for AI chat ⚡
  2. 2d agoAblyJava SDK 2.1 reads and updates LiveObjects over HTTP
  3. 2d agoAblyJS SDK 3.1 adds channel pools and a Temporal plugin
  4. 4d agoAblyAbly Kafka Connector v4.2.1
  5. 8d agoAblyMonthly active user (MAU) pricing ⚡
  6. 8d agoAblyAbly Chat React UI Kit v0.4.0
  7. 6mo agoPlanetScaleQuery Insights negated search terms
  8. 6mo agoPlanetScaleNew GCP region: Eemshaven, Netherlands
  9. 7mo agoPlanetScaleIntroducing Database Traffic Control™: resource budgets for your Postgres query traffic.Learn more ⚡
  10. 7mo agoPlanetScaleConfigure Postgres storage at database creation
  11. 7mo agoPlanetScaleSign-up page fragment (no release content)
  12. 7mo agoPlanetScaleInsights-only MCP server

Frequently asked questions

What is the difference between PlanetScale and Ably?

They serve adjacent needs but don't currently overlap on shipped themes. Ably is currently shipping more aggressively (velocity 7.5 vs 0.0), with 2 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.

Is PlanetScale better than Ably?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Ably is currently shipping more aggressively (velocity 7.5 vs 0.0), with 2 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.

What are the best alternatives to PlanetScale?

Top PlanetScale alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "PlanetScale alternatives" section above for the current picks, or visit /alternatives/planetscale for the full list with editorial commentary on each.

What are the best alternatives to Ably?

Top Ably alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Ably alternatives" section above for the current picks, or visit /alternatives/ably for the full list with editorial commentary on each.