AWS Lambda vs Fastly Compute: Which is Better in 2026?
Choosing between AWS Lambda and Fastly Compute comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: AWS Lambda is our overall pick for serverless workflows. Pick Fastly Compute if you need cloud & infrastructure.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
AWS Lambda
Run code without managing servers, pay only for compute time
Best for you if:
- • You need serverless features specifically
- • AWS Lambda lets you run code without provisioning servers-just upload your function and it scales automatically
- • It executes code in response to events from 200+ AWS services, charging only for compute time used
Fastly Compute
Edge computing platform from Fastly
Best for you if:
- • You need cloud & infrastructure features specifically
- • Fastly Compute is an edge computing platform for running WebAssembly at the edge
- • It executes code in milliseconds across Fastly's global network with instant deployments
| At a Glance |  AWS Lambda |  Fastly Compute |
|---|---|---|
Starts at | $0.16/moGraviton2 (ARM) | Custom |
Best For | Serverless | Cloud & Infrastructure |
Rating | 4.6/5 | 4.6/5 |
Free plan | No | No |
Choose AWS Lambda or Fastly Compute?
Choose AWS Lambda if
Run code without managing servers, pay only for compute time
- Industry-standard serverless platform
- Integrates with entire AWS ecosystem
- Scales automatically to any load
- Your work is serverless-shaped, not cloud & infrastructure-shaped
Choose Fastly Compute if
Edge computing platform from Fastly
- Powerful edge compute
- Wasm support
- Low latency
- Your work is cloud & infrastructure-shaped, not serverless-shaped
| Feature | AWS Lambda | Fastly Compute |
|---|---|---|
| Pricing Model | Paid | Paid |
| User Rating | ★4.6/5 1,079 reviews | ★4.6/5 117 reviews |
| Categories | ServerlessCloud & Infrastructure | Cloud & InfrastructureDevOps |
In-Depth Analysis
AWS Lambda
Run code without managing servers, pay only for compute time
Strengths
- +Industry-standard serverless platform
- +Integrates with entire AWS ecosystem
- +Scales automatically to any load
- +Pay only for compute time used
- +Supports many languages and runtimes
Weaknesses
- -Cold starts can affect latency
- -Complex pricing model
- -15-minute execution time limit
- -Debugging can be challenging
- -Vendor lock-in with AWS services
Key features
Fastly Compute
Edge computing platform from Fastly
Strengths
- +Powerful edge compute
- +Wasm support
- +Low latency
- +Good for media
- +Enterprise ready
Weaknesses
- -Expensive
- -Learning curve
- -Smaller ecosystem
- -Complex pricing
- -Enterprise focused
Key features
Pricing: AWS Lambda vs Fastly Compute
| Plan | AWS Lambda | Fastly Compute |
|---|---|---|
| Tier 1 | $0 Free Tier | Contact us Usage-Based |
| Tier 2 | $0.20/million Pay-as-you-go | N/A |
| Tier 3 | $0.16/million Graviton2 (ARM) | N/A |
| Tier 4 | Up to 17% off Savings Plans | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on AWS Lambda pricing and Fastly Compute pricing.
Who Should Use What?
On a budget?
Both are paid. Compare plans on their websites.
Go with: AWS Lambda
Want the highest-rated option?
AWS Lambda: 4.6/5 (1,079 reviews). Fastly Compute: 4.6/5 (117 reviews).
Go with: AWS Lambda
Value user reviews?
AWS Lambda: 1,079 reviews (4.6/5). Fastly Compute: 117 reviews (4.6/5).
Go with: AWS Lambda
3 Questions to Help You Decide
What's your budget?
Both are paid. Pricing won't help you decide here.
What's your use case?
AWS Lambda is a serverless tool. Fastly Compute is in cloud & infrastructure. Pick the category that matches your needs.
How important are ratings?
Both are rated 4.6/5.
Key Takeaways
AWS Lambda
- Larger review base (1,079 reviews)
- Our pick for this comparison
Fastly Compute
- Better fit for cloud & infrastructure
The Bottom Line
AWS Lambda is our pick.
Frequently Asked Questions
Is AWS Lambda or Fastly Compute better?
AWS Lambda is rated in our evaluation. Both are paid.
What are AWS Lambda and Fastly Compute used for?
AWS Lambda: Run code without managing servers, pay only for compute time. Fastly Compute: Edge computing platform from Fastly.
What does AWS Lambda cost vs Fastly Compute?
AWS Lambda is a paid tool. Fastly Compute is a paid tool. Visit their websites for detailed pricing.