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APIs · head to head

Portkey vs Thunder Client

Portkey logo

Portkey

APIs

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

From
On request
Rated
-
Full reviewWebsite
Thunder Client logo

Thunder Client

APIs

Lightweight REST API client built as VSCode extension

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Thunder Client has a free tier, so it costs nothing to try first.
  • Each has a real cost: 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.; Thunder Client paid plans are billed annually only: Starter is $3 per user per month and capped at a maximum of 10 seats, Business is $7 per user per month with 500 monthly collection runs per user, and Enterprise is $16 per user per month for unlimited runs
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Portkey and Thunder Client actually diverge.

Attributes where Portkey and Thunder Client differ
AttributePortkeyThunder Client
Starting priceOn requestFree
Pricing modelUnknownfreemium
Free tierNoYes
PlatformsWebVSCode extension, Web
FoundedUnknown2021

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 Portkey

Nothing recorded that Thunder Client does not also cover.

Only in Thunder Client

  • REST Client
  • Environment variables
  • Response testing
  • VSCode
  • GitHub
  • Webhook support
  • VSCode extension support
  • Web support

What people use each for

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

Portkey

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

Thunder Client

  • API Developmentnot Portkey
  • API Gatewaynot Portkey
  • API Testingnot Portkey
  • API Documentationnot Portkey
  • Microservicesnot Portkey

Where each one falls short

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

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.

Thunder Client

  • Paid plans are billed annually only: Starter is $3 per user per month and capped at a maximum of 10 seats, Business is $7 per user per month with 500 monthly collection runs per user, and Enterprise is $16 per user per month for unlimited runs

Pricing, plan by plan

Portkey

On request

No published plan breakdown. See the Portkey review.

Thunder Client

Free
  • FreeFree
    • REST client
    • Collection management
    • Local testing
  • Pro$8/monthly
    • Cloud sync
    • Team collaboration
    • Advanced features

Which should you pick?

Choose Portkey if

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

Portkey review

Choose Thunder Client if

  • You need rest client.
  • You want to start without paying.
  • You work on VSCode extension, Web.
  • You also want environment variables.
Thunder Client review

Questions people ask

Is Portkey or Thunder Client better?
Neither clearly leads. Portkey starts at On request and Thunder Client at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Portkey or Thunder Client?
Thunder Client has a free tier; the other does not. Paid plans start at On request for Portkey and Free for Thunder Client.
Does Portkey or Thunder Client run on more platforms?
Portkey runs on Web. Thunder Client runs on VSCode extension, Web.
Can I use Thunder Client for free?
Yes. Thunder Client has a free tier, so you can try it without paying. Portkey starts at On request.
What is Portkey best used for?
Portkey is most often used for accessing 1,600+ language models through unified api gateway, monitoring and observing llm behavior in production environments, managing costs and setting budget limits for ai spending, implementing guardrails and pii redaction for secure ai interactions. Of those, accessing 1,600+ language models through unified api gateway and monitoring and observing llm behavior in production environments are not what Thunder Client is typically brought in for.
What can Portkey do that Thunder Client cannot?
Thunder Client covers REST Client, Environment variables, Response testing, VSCode.

Answered from the vendors’ own pages

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
Thunder Client: How much does Thunder Client cost?

Thunder Client publishes a free plan at no cost, then Starter at $3, Business at $7 and Enterprise at $16, all priced annually.

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
Thunder Client: Is Thunder Client free?

Yes, there is a free plan. It is used through the Thunder Client extension for VS Code, available from the marketplace, with limits applied compared with the paid tiers.

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
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