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Lambda (AWS Serverless) vs IAR Embedded Workbench

Lambda (AWS Serverless) logo

Lambda (AWS Serverless)

Cloud

Run code without thinking about servers

From
Free
Free plan
Yes
Full reviewWebsite
IAR Embedded Workbench logo

IAR Embedded Workbench

Developer Tools

Complete toolchain for embedded software development

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Only Lambda (AWS Serverless) has a free tier, so it costs nothing to try first.
  • Each has a real cost: Lambda (AWS Serverless) billed on two axes at once, $0.20 per million requests plus $0.0000166667 per GB-second of duration, so memory settings change the bill as much as traffic does; IAR Embedded Workbench no pricing information published on product page; prospective customers directed to free trial or sales contact only
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Lambda (AWS Serverless) and IAR Embedded Workbench actually diverge.

Attributes where Lambda (AWS Serverless) and IAR Embedded Workbench differ
AttributeLambda (AWS Serverless)IAR Embedded Workbench
Starting priceFreeOn request
Pricing modelusage-basedquote
Free tierYesNo
PlatformsWeb, ApiWeb
CategoryCloudDeveloper Tools
Founded2014Unknown

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

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 Lambda (AWS Serverless)

  • Function-as-a-Service
  • Event-driven execution
  • Auto-scaling
  • Pay-per-use
  • Multiple languages
  • Concurrency limits
  • Dead Letter Queues
  • Environment variables

Only in IAR Embedded Workbench

Nothing recorded that Lambda (AWS Serverless) does not also cover.

What people use each for

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

Lambda (AWS Serverless)

  • Event-driven functions without managing serversnot IAR Embedded Workbench
  • API backends behind API Gatewaynot IAR Embedded Workbench
  • Processing S3, DynamoDB, SQS and Kinesis eventsnot IAR Embedded Workbench
  • Scheduled jobs without a always-on instancenot IAR Embedded Workbench
  • Edge compute through Lambda@Edgenot IAR Embedded Workbench

IAR Embedded Workbench

  • Embedded software development and debuggingnot Lambda (AWS Serverless)
  • Compiler and linker tools for embedded systemsnot Lambda (AWS Serverless)
  • Multi-architecture embedded development supportnot Lambda (AWS Serverless)

Where each one falls short

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

Lambda (AWS Serverless)

  • Billed on two axes at once, $0.20 per million requests plus $0.0000166667 per GB-second of duration, so memory settings change the bill as much as traffic does
  • Provisioned concurrency, used to avoid cold starts, is charged separately at $0.0000041667 per GB-second whether or not the function runs
  • Ephemeral storage beyond the included 512 MB is metered
  • Lambda@Edge costs $0.60 per million requests, three times the standard request rate
  • VPC use and cross-region data transfer carry EC2 charges on top

IAR Embedded Workbench

  • No pricing information published on product page; prospective customers directed to free trial or sales contact only
  • Pricing model not specified; customers must request quote or try free trial to understand licensing costs
  • Embedded development tools typically require expensive licenses, but specific IAR costs unavailable online

Pricing, plan by plan

Lambda (AWS Serverless)

Free
  • Free TierFree
    • 1M free requests/month
    • 400,000 GB-seconds/month
    • Always free

IAR Embedded Workbench

On request

No published plan breakdown. See the IAR Embedded Workbench review.

Which should you pick?

Choose Lambda (AWS Serverless) if

  • You need function-as-a-service.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want event-driven execution.
Lambda (AWS Serverless) review

Choose IAR Embedded Workbench if

Nothing in the data separates IAR Embedded Workbench from Lambda (AWS Serverless) on the points above - pick on price and on how each one feels to use.

IAR Embedded Workbench review

Questions people ask

Is Lambda (AWS Serverless) or IAR Embedded Workbench better?
Neither clearly leads. Lambda (AWS Serverless) starts at Free and IAR Embedded Workbench at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lambda (AWS Serverless) or IAR Embedded Workbench?
Lambda (AWS Serverless) has a free tier; the other does not. Paid plans start at Free for Lambda (AWS Serverless) and On request for IAR Embedded Workbench.
Does Lambda (AWS Serverless) or IAR Embedded Workbench run on more platforms?
Lambda (AWS Serverless) runs on Web, Api. IAR Embedded Workbench runs on Web.
Can I use Lambda (AWS Serverless) for free?
Yes. Lambda (AWS Serverless) has a free tier, so you can try it without paying. IAR Embedded Workbench starts at On request.
What is Lambda (AWS Serverless) best used for?
Lambda (AWS Serverless) is most often used for event-driven functions without managing servers, api backends behind api gateway, processing s3, dynamodb, sqs and kinesis events, scheduled jobs without a always-on instance. Of those, event-driven functions without managing servers and api backends behind api gateway are not what IAR Embedded Workbench is typically brought in for.
What can Lambda (AWS Serverless) do that IAR Embedded Workbench cannot?
Lambda (AWS Serverless) covers Function-as-a-Service, Event-driven execution, Auto-scaling, Pay-per-use.

Answered from the vendors’ own pages

Lambda (AWS Serverless): Is there a free tier for AWS Lambda?

Yes. AWS Lambda offers a free tier including 1 million requests per month, 400,000 GB-seconds per month, and 100 GB monthly response streaming.

Source
IAR Embedded Workbench: How much does IAR Embedded Workbench cost?

IAR Embedded Workbench pricing is not published on the product page. Prospective customers are directed to free trials or must contact the sales team to request pricing.

Source
Lambda (AWS Serverless): How is AWS Lambda charged?

Lambda charges $0.20 per million requests. Duration charges are $0.0000166667 per GB-second for x86 (up to 6 billion GB-seconds/month in US East Ohio with tiered pricing). Ephemeral storage over the included 512 MB costs $0.0000000309 per GB-second. Provisioned Concurrency costs $0.0000041667 per GB-second with a 5-minute minimum.

Source
IAR Embedded Workbench: Does IAR Embedded Workbench offer a free trial?

Free trials are available for IAR Embedded Workbench evaluation at https://www.iar.com/embedded-development-tools/free-trials, though specific trial length and limitations are not detailed on the product page.

Source
Lambda (AWS Serverless): What are Lambda Durable Functions pricing?

Lambda Durable Functions include operations at $8.00 per million (start execution, steps, waits). Data written costs $0.25 per GB. Data retention is $0.15 per GB-month with configurable 1-90 day retention (default 14 days).

Source
IAR Embedded Workbench: What is the pricing model for IAR Embedded Workbench?

The pricing model is not disclosed on the product page. Customers must contact the sales team to obtain quotes and understand licensing terms.

Source
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