GravityKit
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Comparison · Infra & APIs
Ably vs Gloo Gateway
A side-by-side editorial comparison of Ably and Gloo Gateway — release velocity, themes, recent moves, and the top alternatives to consider.
Ably vs Gloo Gateway: at a glance
| Feature | Ably | Gloo Gateway |
|---|---|---|
| Sector | Infra & APIs | Infra & APIs |
| Velocity score | 7.5 | 5.0 |
| Sparks · 30d | 2 | 0 |
| Top themes | ai transport, realtime messaging, agents, mau-billing | api-gateway, envoy, xds, rate-limiting |
| Last editorial update | 21h ago | 1d ago |
| Website | — | Visit → |
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.
What is Gloo Gateway?
Gloo Gateway ports its restart and empty-config fixes to 1.21; 1.19 gets only dependency bumps.
Gloo Gateway maintains the 1.19, 1.20 and 1.21 lines in parallel. The 13 November batch brings the 1.20 restart fixes to 1.21.20: setup no longer restarts before its first xDS sync, a failed reconcile stops sending empty configs to Envoys, the Proxy store survives a setup re-run, and translation retries with backoff while keeping the last good snapshot. 1.20.32 adds that retry logic to 1.20, and 1.19.28 is dependency updates only.
Ably vs Gloo Gateway: editorial side-by-side
Ably
7.5INFRA · APIS
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.
Gloo Gateway
5.0INFRA · APIS
Gloo Gateway ports its restart and empty-config fixes to 1.21; 1.19 gets only dependency bumps.
◆ Current state
Gloo Gateway maintains the 1.19, 1.20 and 1.21 lines in parallel. The 13 November batch brings the 1.20 restart fixes to 1.21.20: setup no longer restarts before its first xDS sync, a failed reconcile stops sending empty configs to Envoys, the Proxy store survives a setup re-run, and translation retries with backoff while keeping the last good snapshot. 1.20.32 adds that retry logic to 1.20, and 1.19.28 is dependency updates only.
◆ Where it's heading
Three weeks of releases have centred on one failure mode: what happens to live Envoy config when gloo restarts or a reconcile fails. Each patch narrows the window where proxies get empty or stale config, and the fixes now reach all three supported lines except 1.19.
◆ Prediction
Expect the retry-and-keep-last-good-snapshot fix to be backported to 1.19 next, or 1.19 to stay on dependency bumps only; the entries do not show a new feature line.
Alternatives to Ably and Gloo Gateway
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 Ably or Gloo Gateway.
Payload CMS
Payload's v4 beta.9 keeps every past image crop and raises the Node floor again.
Nautobot
Nautobot 3.3 alpha 2 adds test helpers and a cable location filter after 3.2.9's token-leak fix.
Clair
Clair 4.10 RC can read SBOMs to match Java vulnerabilities.
Shuffle
Shuffle tags builds almost daily, but the notes are empty.
KrakenD
KrakenD's community edition is shipping only dependency bumps.
See all Ably alternatives → · See all Gloo Gateway alternatives →
Recent activity from Ably and Gloo Gateway
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoGloo Gateway1.21.20 waits for first xDS sync and stops empty Envoy configs
- 1d agoGloo Gateway1.20.32 retries failed translation and keeps last good config
- 1d agoGloo Gateway1.19.28: Go 1.26.11, containerd and Helm dependency bumps
- 1d agoAblyAI Transport 1.0 makes Ably a resumable transport for AI chat ⚡
- 2d agoAblyJava SDK 2.1 reads and updates LiveObjects over HTTP
- 2d agoAblyJS SDK 3.1 adds channel pools and a Temporal plugin
- 3d agoGloo Gateway1.20.31 fixes vanishing rate limits and stale ext-auth again
- 4d agoAblyAbly Kafka Connector v4.2.1
- 6d agoGloo Gateway1.19.27 bumps klauspost/compress to v1.18.7
- 6d agoGloo Gateway1.20.30 fixes vanishing rate limits and stale ext-auth secrets
- 8d agoAblyMonthly active user (MAU) pricing ⚡
- 8d agoAblyAbly Chat React UI Kit v0.4.0
Frequently asked questions
What is the difference between Ably and Gloo Gateway?
They serve adjacent needs but don't currently overlap on shipped themes. Ably is currently shipping more aggressively (velocity 7.5 vs 5.0), 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 Ably better than Gloo Gateway?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Ably is currently shipping more aggressively (velocity 7.5 vs 5.0), 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 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.
What are the best alternatives to Gloo Gateway?
Top Gloo Gateway alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Gloo Gateway alternatives" section above for the current picks, or visit /alternatives/gloo for the full list with editorial commentary on each.