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AWS Lambda Pros and Cons: Top 5 Advantages and Disadvantages

Quick AI Summary Based on G2 Reviews

Generated from real user reviews

Users love the ease of use of AWS Lambda, simplifying automation and application development effortlessly. (47 mentions)
Users value the automatic scalability of AWS Lambda, enabling focus on code without server management hassles. (35 mentions)
Users value the cost-effectiveness of AWS Lambda, benefiting from only paying for compute time and improved performance. (27 mentions)
Users appreciate the serverless flexibility of AWS Lambda, enabling efficient code execution without infrastructure concerns. (23 mentions)
Users appreciate the seamless integrations of AWS Lambda with various AWS services, simplifying event-driven architecture development. (22 mentions)
Users find the resource limitations of AWS Lambda restrict its suitability for larger workloads and datasets. (36 mentions)
Users find difficult debugging in AWS Lambda due to abstracted environments and reliance on logs for troubleshooting. (17 mentions)
Users experience slow performance due to cold starts, causing frustrating latency during infrequent function invocations. (13 mentions)
Users frequently experience lagging performance due to slow initializations and execution time limits, impacting overall efficiency. (10 mentions)
Users find AWS Lambda to be expensive, especially compared to other cloud providers like Azure and GCP. (9 mentions)

5 Pros or Advantages of AWS Lambda

1. Ease of Use
Users love the ease of use of AWS Lambda, simplifying automation and application development effortlessly.
See 47 mentions

See Related User Reviews

Verified User
U

Verified User

Small-Business (50 or fewer emp.)

5.0/5

"True Serverless Power: Faster Development with Seamless AWS Integrations"

What do you like about AWS Lambda?

What I like best about AWS Lambda is its true serverless nature, which removes the need to provision, manage, or scale servers. It allows me to focus

Jonathan Miguel C.
JC

Jonathan Miguel C.

Mid-Market (51-1000 emp.)

5.0/5

"AWS Lambda: Easy to Use, Feature-Rich, and Simple to Integrate"

What do you like about AWS Lambda?

AWS Lambda is easy to use and straightforward to implement. It also offers a lot of features and is easy to integrate with other services.

2. Scalability
Users value the automatic scalability of AWS Lambda, enabling focus on code without server management hassles.
See 35 mentions

See Related User Reviews

Ketmani P.
KP

Ketmani P.

Small-Business (50 or fewer emp.)

5.0/5

"Cost-Effective and Scalable Solution for Asynchronous Tasks"

What do you like about AWS Lambda?

I like using AWS Lambda for its cost-efficiency and ability to handle a big load, which saves money and improves performance when dealing with bulk, a

Verified User
U

Verified User

Small-Business (50 or fewer emp.)

5.0/5

"True Serverless Power: Faster Development with Seamless AWS Integrations"

What do you like about AWS Lambda?

What I like best about AWS Lambda is its true serverless nature, which removes the need to provision, manage, or scale servers. It allows me to focus

3. Cost-Effective
Users value the cost-effectiveness of AWS Lambda, benefiting from only paying for compute time and improved performance.
See 27 mentions

See Related User Reviews

Ketmani P.
KP

Ketmani P.

Small-Business (50 or fewer emp.)

5.0/5

"Cost-Effective and Scalable Solution for Asynchronous Tasks"

What do you like about AWS Lambda?

I like using AWS Lambda for its cost-efficiency and ability to handle a big load, which saves money and improves performance when dealing with bulk, a

Verified User
U

Verified User

Small-Business (50 or fewer emp.)

5.0/5

"True Serverless Power: Faster Development with Seamless AWS Integrations"

What do you like about AWS Lambda?

What I like best about AWS Lambda is its true serverless nature, which removes the need to provision, manage, or scale servers. It allows me to focus

4. Cloud Services
Users appreciate the serverless flexibility of AWS Lambda, enabling efficient code execution without infrastructure concerns.
See 23 mentions

See Related User Reviews

Verified User
U

Verified User

Small-Business (50 or fewer emp.)

5.0/5

"True Serverless Power: Faster Development with Seamless AWS Integrations"

What do you like about AWS Lambda?

What I like best about AWS Lambda is its true serverless nature, which removes the need to provision, manage, or scale servers. It allows me to focus

SB

Subrajit B.

Enterprise (> 1000 emp.)

4.5/5

"Cost-Effective Serverless Execution with AWS Lambda"

What do you like about AWS Lambda?

I like most about the AWS lambda is . 1. It'server less execution means no need to provision or manage server . 2.This functions run only on when

5. Integrations
Users appreciate the seamless integrations of AWS Lambda with various AWS services, simplifying event-driven architecture development.
See 22 mentions

See Related User Reviews

Verified User
U

Verified User

Small-Business (50 or fewer emp.)

5.0/5

"True Serverless Power: Faster Development with Seamless AWS Integrations"

What do you like about AWS Lambda?

What I like best about AWS Lambda is its true serverless nature, which removes the need to provision, manage, or scale servers. It allows me to focus

Jonathan Miguel C.
JC

Jonathan Miguel C.

Mid-Market (51-1000 emp.)

5.0/5

"AWS Lambda: Easy to Use, Feature-Rich, and Simple to Integrate"

What do you like about AWS Lambda?

AWS Lambda is easy to use and straightforward to implement. It also offers a lot of features and is easy to integrate with other services.

5 Cons or Disadvantages of AWS Lambda

1. Resource Limitations
Users find the resource limitations of AWS Lambda restrict its suitability for larger workloads and datasets.
See 36 mentions

See Related User Reviews

Verified User
U

Verified User

Small-Business (50 or fewer emp.)

5.0/5

"True Serverless Power: Faster Development with Seamless AWS Integrations"

What do you dislike about AWS Lambda?

One of the main drawbacks of AWS Lambda is cold start latency, especially for functions running in VPCs or using larger runtimes, which can impact per

Jonathan Miguel C.
JC

Jonathan Miguel C.

Mid-Market (51-1000 emp.)

5.0/5

"AWS Lambda: Easy to Use, Feature-Rich, and Simple to Integrate"

What do you dislike about AWS Lambda?

Lambda functions are stateless by design, so they require external services for state management. Also, if a function hasn’t been used for a long time

2. Difficult Debugging
Users find difficult debugging in AWS Lambda due to abstracted environments and reliance on logs for troubleshooting.
See 17 mentions

See Related User Reviews

Verified User
U

Verified User

Small-Business (50 or fewer emp.)

5.0/5

"True Serverless Power: Faster Development with Seamless AWS Integrations"

What do you dislike about AWS Lambda?

One of the main drawbacks of AWS Lambda is cold start latency, especially for functions running in VPCs or using larger runtimes, which can impact per

SB

Subrajit B.

Enterprise (> 1000 emp.)

4.5/5

"Cost-Effective Serverless Execution with AWS Lambda"

What do you dislike about AWS Lambda?

Dislike about AWS Lambda are 1. Slow start, functions are takes extra time during initialization . 2.Long time execution limits . 3.Complex in debu

3. Slow Performance
Users experience slow performance due to cold starts, causing frustrating latency during infrequent function invocations.
See 13 mentions

See Related User Reviews

Javier C.
JC

Javier C.

Small-Business (50 or fewer emp.)

5.0/5

"Serverless + AWS: Smooth Triggers, Effortless Deployment, and Reliable Autopayments"

What do you dislike about AWS Lambda?

When you use it a lot,it need time to start again and repsonse times also become slower

Verified User
U

Verified User

Enterprise (> 1000 emp.)

5.0/5

"Efficient serverless compute with seamless AWS integration"

What do you dislike about AWS Lambda?

Debugging and monitoring can be challenging compared to traditional server-based applications, especially for complex workflows. Cold start latency ca

4. Lagging Performance
Users frequently experience lagging performance due to slow initializations and execution time limits, impacting overall efficiency.
See 10 mentions

See Related User Reviews

Verified User
U

Verified User

Small-Business (50 or fewer emp.)

5.0/5

"True Serverless Power: Faster Development with Seamless AWS Integrations"

What do you dislike about AWS Lambda?

One of the main drawbacks of AWS Lambda is cold start latency, especially for functions running in VPCs or using larger runtimes, which can impact per

SB

Subrajit B.

Enterprise (> 1000 emp.)

4.5/5

"Cost-Effective Serverless Execution with AWS Lambda"

What do you dislike about AWS Lambda?

Dislike about AWS Lambda are 1. Slow start, functions are takes extra time during initialization . 2.Long time execution limits . 3.Complex in debu

5. Expensive
Users find AWS Lambda to be expensive, especially compared to other cloud providers like Azure and GCP.
See 9 mentions

See Related User Reviews

Ashish D.
AD

Ashish D.

Small-Business (50 or fewer emp.)

5.0/5

"AWS Lambda"

What do you dislike about AWS Lambda?

Sometimes when someone is not stop or delete the function in lambda then everytime when execution start it trigger and and the increase in billing due

Vinay S.
VS

Vinay S.

4.5/5

"Effortless API Deployment with AWS Lambda"

What do you dislike about AWS Lambda?

I find the pricing for AWS Lambda somewhat high. It would be beneficial if there was a less expensive tier for lower memory usage.

AWS Lambda Reviews (986)

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AWS Lambda Reviews (986)

View 2 Video Reviews
4.6
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Caleb F.
CF
Data & IA Specialist
Small-Business (50 or fewer emp.)
"AWS Lambda simplifies automation and the execution of serverless logic"
What do you like best about AWS Lambda?

What I like most about AWS Lambda is that it allows you to execute business logic and automations without having to manage servers. It is very useful for building lightweight integrations, responding to events, and decoupling processes within an AWS architecture. I also appreciate that it integrates well with other services like S3, EventBridge, Step Functions, IAM, and CloudWatch, which greatly facilitates the construction of serverless workflows. For specific tasks, event processing, and auxiliary components of pipelines, it is very practical and scalable. Review collected by and hosted on G2.com.

What do you dislike about AWS Lambda?

What I like least is that debugging and troubleshooting can become more complex when the function depends on multiple services, permissions, or external configurations. There are also limitations that require careful design of certain use cases, such as maximum execution times, handling heavier packages, or specific dependencies. In some scenarios, monitoring errors or understanding integration failures takes longer than expected. Review collected by and hosted on G2.com.

Muhammad Awais  A.
MA
Sr ICT Engineer
Information Technology and Services
Small-Business (50 or fewer emp.)
"True Zero-Administration Serverless Model That Lets Us Focus on Coding"
What do you like best about AWS Lambda?

It’s truly a zero-administration, serverless model, so there’s no need to manage hardware or worry about patching the operating system. It allows me and my team to focus 100% on writing code instead of spending time on server maintenance and ongoing upkeep. Review collected by and hosted on G2.com.

What do you dislike about AWS Lambda?

Debugging and observability: When you’re debugging but don’t have access to the underlying server, you can’t SSH in to see what’s wrong, which makes troubleshooting much harder. Review collected by and hosted on G2.com.

Chandan D.
CD
Staff Software Development Engineer Test
Information Technology and Services
Enterprise (> 1000 emp.)
"Zero Server Management and Seamless Auto-Scaling with AWS Lambda"
What do you like best about AWS Lambda?

The best part of AWS Lambda is that there’s essentially zero server management. Not having to patch OS versions or manage clusters lets our engineering team focus fully on writing and improving code instead of dealing with infrastructure overhead. The event-driven model also feels seamless—triggering functions from S3 uploads, DynamoDB changes, or API Gateway requests simply works as expected. On top of that, the scaling is impressive: whether we see 10 requests or 10,000, Lambda handles the concurrency without us needing to tweak a single scaling policy. Review collected by and hosted on G2.com.

What do you dislike about AWS Lambda?

The “Cold Start” issue is still a factor, particularly for functions written in Java or .NET, and it can add slight latency when requests are infrequent. In addition, the 15-minute execution limit means it isn’t a great fit for long-running or heavy data-processing tasks. With these constraints in mind, you really have to be intentional about how you design and architect your workflows so everything stays within the guardrails. Review collected by and hosted on G2.com.

Shahzaib R.
SR
Associate DevOps Engineer
Small-Business (50 or fewer emp.)
"AWS Lambda: Effortless Serverless Scaling and Seamless AWS Integrations"
What do you like best about AWS Lambda?

AWS Lambda makes it easy to run code without managing servers. I like how it automatically scales based on demand and only charges for actual execution time, which helps reduce infrastructure cost. It integrates very well with other AWS services like API Gateway, S3, SQS, and DynamoDB, making it simple to build event-driven architectures. Deployment is fast, and for microservices or background jobs it saves a lot of operational overhead compared to managing EC2 instances. Review collected by and hosted on G2.com.

What do you dislike about AWS Lambda?

Cold starts can sometimes impact performance, especially for VPC-based or larger functions. Review collected by and hosted on G2.com.

Gagan G.
GG
Application Developer
Mid-Market (51-1000 emp.)
"Effortless Scaling and Cost Savings with AWS Lambda"
What do you like best about AWS Lambda?

AWS Lambda's serverless scaling handled our 10k req/sec spikes perfectly, cutting costs 60% vs. EC2. Quick Python setup, seamless DynamoDB integration. Cold starts fixed with concurrency; minor timeout limits.​

Pros: Auto-scale, pay-per-use.

Cons: VPC latency.

Highly recommend! Review collected by and hosted on G2.com.

What do you dislike about AWS Lambda?

AWS Lambda has notable limitations like cold starts that delay initial function invocations. The 15-minute execution timeout restricts longer-running tasks.

Main Drawbacks

Monitoring can feel fragmented without third-party tools, complicating debugging in complex apps. VPC integration adds latency and setup overhead.

Vendor Lock-in

Heavy reliance on AWS services reduces portability to other clouds. Deployment package size limits (250 MB unzipped) hinder large dependencies. Review collected by and hosted on G2.com.

SB
Deputy Manager
Information Technology and Services
Enterprise (> 1000 emp.)
"Cost-Effective Serverless Execution with AWS Lambda"
What do you like best about AWS Lambda?

I like most about the AWS lambda is .

1. It'server less execution means no need to provision or manage server .

2.This functions run only on when triggered(s3upload,API gateway request) .

3. cost effective , we need to pay only for the compute time. Review collected by and hosted on G2.com.

What do you dislike about AWS Lambda?

Dislike about AWS Lambda are

1. Slow start, functions are takes extra time during initialization .

2.Long time execution limits .

3.Complex in debugging the functions . Review collected by and hosted on G2.com.

Manil G.
MG
Software engineer
Mid-Market (51-1000 emp.)
"Effortless Serverless Computing with Seamless AWS Integration"
What do you like best about AWS Lambda?

AWS Lambda is easy to use and simple to implement, especially for event-driven workflows. It integrates seamlessly with other AWS services, which makes building automation and serverless APIs very smooth. We use it frequently for scheduled jobs and lightweight backend tasks. The feature set is strong, with support for layers, versioning, and multiple runtime options. Customer support is decent, backed by solid documentation, although response times can vary. Overall, Lambda is a reliable and efficient serverless compute option. Review collected by and hosted on G2.com.

What do you dislike about AWS Lambda?

Cold starts can be frustrating at times, and debugging or monitoring distributed serverless functions is harder compared to traditional applications. Review collected by and hosted on G2.com.

Himanshi M.
HM
Team lead software engineer
Mid-Market (51-1000 emp.)
"AWS Lambda Takes the Operational Heavy Lifting Off Your Plate"
What do you like best about AWS Lambda?

AWS handles all the operational heavy lifting, including provisioning, patching, OS maintenance, and capacity management.You are only charged for the actual time your code executes, billed in 100-millisecond increments.Lambda functions are easily triggered by a wide variety of events from over 200 other AWS services.Lambda runs your code on a highly available compute infrastructure and manages fault tolerance across multiple Availability Zones, ensuring high resilience without extra effort.This allows developers to focus entirely on writing application logic. Review collected by and hosted on G2.com.

What do you dislike about AWS Lambda?

Functions have a maximum execution time of 15 minutes, limiting their use for heavy, long-running batch jobs.Because code runs in a managed, ephemeral environment, attaching debuggers is impossible. Local testing is difficult to mirror properly.Leveraging framework tools (e.g., SAM, Serverless Framework) helps manage configuration and deployment, though it doesn't solve the core debugging issues.Unlike a persistent server, Lambda creates a new environment for concurrent requests. Review collected by and hosted on G2.com.

PRANSHU R.
PR
Associate Software Developer
Mid-Market (51-1000 emp.)
"Effortless Serverless Computing with AWS Lambda"
What do you like best about AWS Lambda?

I love that AWS Lambda lets us run our code without managing servers, making it an ideal choice for creating serverless services. Being a full-stack developer, it helps me build scalable backends and automate database queries efficiently. The ability to pay only for what I use is fantastic as it reduces costs and means I am only charged when my code is running. This 'pay as you use' model is preferred because it saves time on backend maintenance and lets us focus resources on more important tasks. The ease of integrating AWS Lambda with other services like S3 and API Gateway is a big plus for me. Additionally, setting it up was quite easy, thanks to the ample technical documents and videos available for learning. Review collected by and hosted on G2.com.

What do you dislike about AWS Lambda?

We can't use some other services alongside AWS Lambda like Azure or Google Cloud in a seamless way. The cold start takes a while to initialize. Review collected by and hosted on G2.com.

Pavan kumar S.
PS
Cloud Engineer
Small-Business (50 or fewer emp.)
"Effortless Automation and Easy Integration with AWS Lambda"
What do you like best about AWS Lambda?

1. A serverless service, which can be used for automating the work. ex: volume backup, scheduling the stopping of unused servers

2. Implementation is easy; creating the function is very easy. and it lets u run code according to your coding language

3. As a user, we do not need to maintain; by default, AWS will manage.

4. Triggers can be added for the invocation of other services, such as s3, and event driven process

5. it reduces the human efforts for getting the reports from databases as well.

6. one function can be used for many types of work. Support for lambda is quick Review collected by and hosted on G2.com.

What do you dislike about AWS Lambda?

There are limitations that lambda can only execute for 15 min, if there is any function that needs to operate above 15 min then lambda is not suitable service. also the memory , disck space are limited only, thes which makes few operations tough Review collected by and hosted on G2.com.

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AWS Lambda