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How much does AWS Lambda cost?

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AWS Lambda pricing is promising - you don't pay for idle, and you are billed for 100 milliseconds intervals. The pricing model is described thoroughly in this page, but honestly - do you really know what the cost of each function is?

There are too many parameters that you need to take into account when calculating the cost of each function, which turns out to be tough work. Also, what about monthly cost estimation?

At Epsagon, we love sharing open source tools for making day-to-day tasks quicker and easier! This time we decided to focus on the cost analysis for Lambda functions. The lambda-cost-calculator enumerates your functions as well as the following data:

  • Count of invocations.
  • Average duration.
  • Cost in the last day.
  • Monthly estimated cost.

Following is an example output for CLI and CSV:
CLI output

CSV output

The tool is available for use, and we would love to hear your feedback! 

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About Author

Ran Ribenzaft
Ran Ribenzaft

I'm a passionate developer, with vast experience in network, infrastructure, and cyber-security. Constantly chasing new technologies - as the current one is Serverless. Love sharing open source tools to make everyone lives easier :) In my current role, I'm the co-founder and CTO at Epsagon - monitoring for serverless applications. I love swimming, traveling around the world, and taking breathtaking pictures.

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