Softwr

Cloud · head to head

Lambda (AWS Serverless) vs Tabnine

Lambda (AWS Serverless) logo

Lambda (AWS Serverless)

Cloud

Run code without thinking about servers

From
Free
Free plan
Yes
Full reviewWebsite
Tabnine logo

Tabnine

AI

AI coding agents built for enterprise privacy and control

From
$39/month
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; Tabnine no published free tier as of the current pricing page, unlike several competitors that offer free individual plans
  • They diverge on capability: Lambda (AWS Serverless) covers Function-as-a-Service, Tabnine covers Code Completions.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Lambda (AWS Serverless) and Tabnine actually diverge.

Attributes where Lambda (AWS Serverless) and Tabnine differ
AttributeLambda (AWS Serverless)Tabnine
Starting priceFree$39/month
Pricing modelusage-basedsubscription
Free tierYesNo
PlatformsWeb, Apiwindows, mac, linux, web
CategoryCloudAI
Founded20142017

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 Tabnine

  • Code Completions
  • AI Chat
  • Agentic Workflows
  • Context Engine
  • Zero Code Retention
  • Flexible Deployment
  • Codebase Integrations

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 Tabnine
  • API backends behind API Gatewaynot Tabnine
  • Processing S3, DynamoDB, SQS and Kinesis eventsnot Tabnine
  • Scheduled jobs without a always-on instancenot Tabnine
  • Edge compute through Lambda@Edgenot Tabnine

Tabnine

  • Enterprise teams requiring on-premises or air-gapped AI coding toolsnot Lambda (AWS Serverless)
  • Organizations with strict IP and data privacy requirementsnot Lambda (AWS Serverless)
  • Teams wanting codebase-aware code completionsnot Lambda (AWS Serverless)
  • Regulated industries needing compliance-certified AI toolingnot 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

Tabnine

  • No published free tier as of the current pricing page, unlike several competitors that offer free individual plans
  • Pricing is higher than many consumer-focused AI coding assistants, targeting enterprise budgets
  • Now owned by Tricentis, a testing-focused company, introducing uncertainty about long-term product direction outside quality engineering use cases
  • LLM usage costs apply separately when using Tabnine-provided model access, on top of the per-seat license fee

Pricing, plan by plan

Lambda (AWS Serverless)

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

Tabnine

$39/month
  • Code Assistant Platform$39/month
    • AI code completions
    • AI chat across the SDLC
    • Works with all major IDEs
  • Agentic Platform$59/month
    • Everything in Code Assistant Platform
    • Autonomous coding agents
    • Customizable coaching guidelines

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 Tabnine if

  • You need code completions.
  • You work on windows, mac, linux, web.
  • You also want ai chat.
Tabnine review

Questions people ask

Is Lambda (AWS Serverless) or Tabnine better?
Neither clearly leads. Lambda (AWS Serverless) starts at Free and Tabnine at $39/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lambda (AWS Serverless) or Tabnine?
Lambda (AWS Serverless) has a free tier; the other does not. Paid plans start at Free for Lambda (AWS Serverless) and $39/month for Tabnine.
Does Lambda (AWS Serverless) or Tabnine run on more platforms?
Lambda (AWS Serverless) runs on Web, Api. Tabnine runs on windows, mac, linux, web.
Can I use Lambda (AWS Serverless) for free?
Yes. Lambda (AWS Serverless) has a free tier, so you can try it without paying. Tabnine starts at $39/month.
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 Tabnine is typically brought in for.
What can Lambda (AWS Serverless) do that Tabnine cannot?
Lambda (AWS Serverless) covers Function-as-a-Service, Event-driven execution, Auto-scaling, Pay-per-use. Tabnine covers Code Completions, AI Chat, Agentic Workflows, Context Engine.

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
Tabnine: What does Tabnine cost?

The Code Assistant Platform is $39/user/month and the Agentic Platform, which adds autonomous agents and the CLI, is $59/user/month, both billed as annual subscriptions.

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
Tabnine: Is there a free plan?

Tabnine's pricing page does not list a permanent free tier; both published plans are paid per-seat subscriptions aimed at professional and enterprise teams.

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
Tabnine: Does Tabnine charge extra for LLM usage?

Usage is unlimited when connecting your own on-prem or cloud LLM endpoint, but additional fees apply when using Tabnine-provided model access on top of the seat license.

Source
Tabnine: What deployment options does Tabnine support?

Tabnine can be deployed as SaaS, in a private VPC, fully on-premises, or in a completely air-gapped environment to meet enterprise data-control requirements.

Source
Tabnine: What is included in the Agentic Platform tier?

It adds autonomous coding agents with optional human oversight, the Tabnine CLI, the Context Engine, MCP integration, and unlimited codebase connections beyond the base Code Assistant plan.

Source
Share

Related pages

More on Lambda (AWS Serverless)

More on Tabnine

Keep looking

Other head to heads