Is Ably or Portkey better?

Neither clearly leads. Ably starts at Free and Portkey at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, Ably or Portkey?

Ably has a free tier; the other does not. Paid plans start at Free for Ably and On request for Portkey.

Does Ably or Portkey run on more platforms?

Ably runs on web, ios, android, api. Portkey runs on Web.

Can I use Ably for free?

Yes. Ably has a free tier, so you can try it without paying. Portkey starts at On request.

What is Ably best used for?

Ably is most often used for building realtime chat or collaborative apps, delivering live data feeds like stock prices or sports scores, broadcasting notifications to many concurrent clients, running mission-critical realtime infrastructure with high uptime slas. Of those, building realtime chat or collaborative apps and delivering live data feeds like stock prices or sports scores are not what Portkey is typically brought in for.

What can Ably do that Portkey cannot?

Ably covers Pub/sub messaging, Presence, Message persistence, Multi-protocol support.

APIs · head to head

Ably vs Portkey

Ably

APIs

Realtime data delivery platform for pub/sub messaging at scale

From: Free
Rated: -

Full review Website

Portkey

APIs

Observe, govern, and secure every AI interaction across your enterprise

From: On request
Rated: -

Full review Website

The short version

Only Ably has a free tier, so it costs nothing to try first.
Each has a real cost: Ably standard and Pro plans layer usage-based charges for messages, connection minutes, and data transfer on top of the base subscription, adding cost complexity.; Portkey the free Developer tier records only 10,000 logs per month with 3 day log retention; the $49 per month Production tier raises that to 100,000 logs with $9 per additional 100,000 requests, as of August 2026.
Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Ably and Portkey actually diverge.

Attributes where Ably and Portkey differ
Attribute	Ably	Portkey
Starting price	Free	On request
Pricing model	freemium	Unknown
Free tier	Yes	No
Platforms	web, ios, android, api	Web

Identical on both: user rating (Not yet rated), category (APIs).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Ably

Pub/sub messaging
Presence
Message persistence
Multi-protocol support
Encryption
Datadog integration

Only in Portkey

Nothing recorded that Ably does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Ably

Building realtime chat or collaborative appsnot Portkey
Delivering live data feeds like stock prices or sports scoresnot Portkey
Broadcasting notifications to many concurrent clientsnot Portkey
Running mission-critical realtime infrastructure with high uptime SLAsnot Portkey

Portkey

Accessing 1,600+ language models through unified API gatewaynot Ably
Monitoring and observing LLM behavior in production environmentsnot Ably
Managing costs and setting budget limits for AI spendingnot Ably
Implementing guardrails and PII redaction for secure AI interactionsnot Ably

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Ably

Standard and Pro plans layer usage-based charges for messages, connection minutes, and data transfer on top of the base subscription, adding cost complexity.
The jump from Standard ($29/month) to Pro ($399/month) is steep for teams needing more than 10k connections but not full Pro capacity.
24/7 mission-critical support and 99.999% uptime SLAs are reserved for the custom-priced Enterprise tier.

Portkey

The free Developer tier records only 10,000 logs per month with 3 day log retention; the $49 per month Production tier raises that to 100,000 logs with $9 per additional 100,000 requests, as of August 2026.

Pricing, plan by plan

Ably

Free

FreeFree
- 200 concurrent connections
- 500 messages/second
- 6M messages/month
Standard$29/month
- 10k concurrent channels
- 10k concurrent connections
- 2.5k messages/second
Pro$399/month
- 50k concurrent channels
- 50k concurrent connections
- 10k messages/second

Portkey

On request

No published plan breakdown. See the Portkey review.

Which should you pick?

Choose Ably if

You need pub/sub messaging.
You want to start without paying.
You work on web, ios, android, api.
You also want presence.

Ably review

Choose Portkey if

Nothing in the data separates Portkey from Ably on the points above - pick on price and on how each one feels to use.

Portkey review

Questions people ask

Is Ably or Portkey better?: Neither clearly leads. Ably starts at Free and Portkey at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ably or Portkey?: Ably has a free tier; the other does not. Paid plans start at Free for Ably and On request for Portkey.
Does Ably or Portkey run on more platforms?: Ably runs on web, ios, android, api. Portkey runs on Web.
Can I use Ably for free?: Yes. Ably has a free tier, so you can try it without paying. Portkey starts at On request.
What is Ably best used for?: Ably is most often used for building realtime chat or collaborative apps, delivering live data feeds like stock prices or sports scores, broadcasting notifications to many concurrent clients, running mission-critical realtime infrastructure with high uptime slas. Of those, building realtime chat or collaborative apps and delivering live data feeds like stock prices or sports scores are not what Portkey is typically brought in for.
What can Ably do that Portkey cannot?: Ably covers Pub/sub messaging, Presence, Message persistence, Multi-protocol support.

Answered from the vendors’ own pages

Ably: What does Ably cost?

Ably offers a free plan with 200 concurrent connections, a Standard plan at $29/month plus usage, a Pro plan at $399/month plus usage, and custom Enterprise pricing with unlimited channels and connections.

Source

Portkey: What happens if I exceed my Portkey plan's request limit?

Production tier ($49/month) charges $9 per additional 100,000 requests beyond the included 100,000. Enterprise customers have custom limits determined through their service agreement. Source: https://portkey.ai/pricing

Source

Ably: Is there a free plan, and what are its limits?

Yes, the free plan includes 200 concurrent connections, 500 messages per second, and 6 million messages per month with community and best-effort email support.

Source

Portkey: Can I self-host Portkey to avoid per-request billing?

Yes. Portkey offers an Open Source self-hosted version with unlimited requests at no cost, including universal API, routing, guardrails, and load balancing features. Source: https://portkey.ai/pricing

Source

Ably: How is usage metered?

Beyond plan limits, Ably charges usage-based rates of $2.50 per million messages, $1.00 per million connection minutes, $1.00 per million channel minutes, and $0.25 per GiB of data transfer, with volume discounts available.

Source

Portkey: How long does Portkey retain my logs and metrics?

Free Developer tier retains logs 3 days and metrics 30 days. Production tier retains logs 30 days and metrics 90 days. Enterprise tier offers custom retention periods. Source: https://portkey.ai/pricing

Source

Portkey: What compliance features are included in the Enterprise plan?

Enterprise tier includes SOC2 Type 2 certification, GDPR compliance, HIPAA compliance, VPC hosting, SSO, advanced guardrails, and dedicated support. Custom pricing required. Source: https://portkey.ai/pricing

Source

Ably vs Portkey

Ably

Portkey

The short version

Where they differ

What each one covers

Only in Ably

Only in Portkey

What people use each for

Ably

Portkey

Where each one falls short

Ably

Portkey

Pricing, plan by plan

Ably

Portkey

Which should you pick?

Choose Ably if

Choose Portkey if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Ably

More on Portkey

Keep looking

Other head to heads