Softwr

Automation Integration · head to head

Browserbase vs Letta

Browserbase logo

Browserbase

Automation Integration

Browserbase makes the web as reliable and programmable as APIs

From
Free
Rated
-
Full reviewWebsite
Letta logo

Letta

Automation Integration

Machines that learn

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Browserbase free plan limited to 3 concurrent browsers and 1 browser hour/month; Letta free tier limited to 3 stateful agents
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Browserbase and Letta actually diverge.

Attributes where Browserbase and Letta differ
AttributeBrowserbaseLetta
Pricing modelusage-basedfreemium

Identical on both: starting price (Free), free tier (Yes), platforms (Web), user rating (Not yet rated), category (Automation Integration).

What people use each for

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

Browserbase

  • Web scraping and automationnot Letta
  • Browser-based data extractionnot Letta
  • AI agent infrastructurenot Letta

Letta

  • Building agents with memory for continuous learningnot Browserbase
  • Enabling reflection during idle periods via sleep-computenot Browserbase
  • Managing agent context and extracting learningsnot Browserbase

Where each one falls short

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

Browserbase

  • Free plan limited to 3 concurrent browsers and 1 browser hour/month
  • Usage-based overages apply to browser hours and API calls beyond included amounts

Letta

  • Free tier limited to 3 stateful agents
  • Pro tier capped at 20 stateful agents
  • API Plan usage charges apply beyond base tier

Pricing, plan by plan

Browserbase

Free
  • FreeFree
    • 3 concurrent browsers, 1 browser hour/month
    • 1,000 search and fetch calls each
    • 15-minute session limit, 7-day data retention
  • Developer$20/month
    • 25 concurrent browsers, 100 browser hours
    • $0.12/hour overage on browser time
    • 1,000 fetch calls with usage-based overages
  • Startup$99/month
    • 100 concurrent browsers, 500 browser hours
    • $0.10/hour overage on browser time
    • 10,000 fetch calls with usage-based overages
  • Scale$null/mo
    • 250+ concurrent browsers, 500+ browser hours
    • 10,000+ search/fetch calls with usage-based pricing
    • Custom retention, HIPAA (BAA), DPA, SSO

Letta

Free
  • FreeFree
    • Limited agents
    • Limited Letta Auto usage
    • Bring your own API keys
  • Pro$20/month
    • Weekly and monthly Letta Auto quota
    • Pay-as-you-go overage
    • Up to 20 stateful agents
  • API Plan$20/month
    • Unlimited agents
    • $0.10/active agent/month
    • $0.00015/second for tool execution
  • Teams Pro$20/month
    • Per seat pricing
    • Add teammates
    • Letta Auto quota

Which should you pick?

Choose Browserbase if

  • You want to start without paying.
Browserbase review

Choose Letta if

  • You want to start without paying.
Letta review

Questions people ask

Is Browserbase or Letta better?
Neither clearly leads. Browserbase starts at Free and Letta at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Browserbase or Letta?
Browserbase starts at Free and Letta at Free.
Does Browserbase or Letta run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Browserbase for free?
Both have a free tier, so you can try either at no cost before committing.
What is Browserbase best used for?
Browserbase is most often used for web scraping and automation, browser-based data extraction, ai agent infrastructure. Of those, web scraping and automation and browser-based data extraction are not what Letta is typically brought in for.

Answered from the vendors’ own pages

Browserbase: How much does Browserbase cost?

Free plan available; Developer plan is $20/month; Startup (most popular) is $99/month; Scale tier has custom pricing.

Source
Letta: How much does Letta cost?

Letta offers a free tier, then Pro plan at $20/month with up to 20 stateful agents, API Plan at $20/month base plus usage charges ($0.10/active agent/month, $0.00015/second for tool execution), and Teams Pro at $20/seat/month.

Source
Browserbase: What browser concurrency limits does Browserbase have?

Free plan allows 3 concurrent browsers. Developer plan allows 25 concurrent browsers. Startup allows 100 concurrent browsers. Scale tier offers 250+ concurrent browsers.

Source
Letta: How many agents can I create on the free plan?

The free tier is limited to 3 stateful agents. Pro plan allows up to 20 stateful agents, while API Plan offers unlimited agents.

Source
Browserbase: What are Browserbase's browser hour limits and overage costs?

Free plan includes 1 browser hour/month. Developer includes 100 hours at $0.12/hour overage. Startup includes 500 hours at $0.10/hour overage. Scale tier includes 500+ hours with custom usage-based pricing.

Source
Letta: Does Letta charge for tool execution?

On the API Plan, Letta charges $0.00015 per second for tool execution. The Pro and Teams Pro plans include execution in their monthly fee.

Source
Share

Related pages

More on Browserbase

More on Letta

Keep looking

Other head to heads