GravityKit
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Comparison · Infra & APIs
ElevenLabs vs Ably
A side-by-side editorial comparison of ElevenLabs and Ably — release velocity, themes, recent moves, and the top alternatives to consider.
ElevenLabs vs Ably: at a glance
| Feature | ElevenLabs | Ably |
|---|---|---|
| Sector | Infra & APIs | Infra & APIs |
| Velocity score | 7.5 | 7.5 |
| Sparks · 30d | 0 | 2 |
| Top themes | voice-agents, dubbing, api-first, versioning | ai transport, realtime messaging, agents, mau-billing |
| Last editorial update | 3mo ago | 21h ago |
| Website | Visit → | — |
What is ElevenLabs?
ElevenLabs is turning voice agents into versioned software, with weekly API surface to prove it.
The changelog is dominated by ElevenAgents, shipped as dense weekly API digests rather than feature posts. Agents now have branches, merges, rebases and version filters, plus procedures that compile into workflows, knowledge-base crawl jobs and per-agent sentiment analysis. Alongside that, the core model lines keep advancing: Music v2, Speech Engine, and now Dubbing v2 through the API.
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.
ElevenLabs vs Ably: editorial side-by-side
ElevenLabs
7.5INFRA · APIS
ElevenLabs is turning voice agents into versioned software, with weekly API surface to prove it.
◆ Current state
The changelog is dominated by ElevenAgents, shipped as dense weekly API digests rather than feature posts. Agents now have branches, merges, rebases and version filters, plus procedures that compile into workflows, knowledge-base crawl jobs and per-agent sentiment analysis. Alongside that, the core model lines keep advancing: Music v2, Speech Engine, and now Dubbing v2 through the API.
◆ Where it's heading
Two arcs run in parallel. The agent platform is acquiring the mechanics of source control, which points at teams operating many agent versions in production rather than one hand-tuned assistant. The model lines are being rebuilt one at a time and exposed API-first, with older v1 models given explicit removal dates. Dubbing is the newest line to make that jump.
◆ Prediction
The v1 deprecation pattern suggests dubbing_v1 gets a removal date next, and the branch tooling looks close to gaining an approval or promotion step given merge previews already exist.
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.
Alternatives to ElevenLabs 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 ElevenLabs or Ably.
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 ElevenLabs alternatives → · See all Ably alternatives →
Recent activity from ElevenLabs and Ably
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 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
- 4d agoAblyAbly Kafka Connector v4.2.1
- 8d agoAblyMonthly active user (MAU) pricing ⚡
- 8d agoAblyAbly Chat React UI Kit v0.4.0
- 3mo agoElevenLabsDubbing v2 API ⚡
- 3mo agoElevenLabsPer-test tool mocks, translated workflow messages, version filters
- 3mo agoElevenLabsProcedure APIs, knowledge-base crawl jobs, bulk document management ⚡
- 4mo agoElevenLabsPer-agent sentiment analysis, nested transfers, backchannel detection
- 4mo agoElevenLabsBranch merge and rebase previews, unified auth connection status
- 4mo agoElevenLabsBranch rebase, conversation product and termination filters
Frequently asked questions
What is the difference between ElevenLabs and Ably?
They serve adjacent needs but don't currently overlap on shipped themes. ElevenLabs and Ably are shipping at a similar cadence (velocity 7.5 vs 7.5, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is ElevenLabs better than Ably?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. ElevenLabs and Ably are shipping at a similar cadence (velocity 7.5 vs 7.5, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to ElevenLabs?
Top ElevenLabs alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "ElevenLabs alternatives" section above for the current picks, or visit /alternatives/elevenlabs 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.