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Anthropic API vs Brex

Anthropic API logo

Anthropic API

Software

Claude API for developers

From
$3/per-million-tokens
Rated
-
Full reviewWebsite
Brex logo

Brex

Software

The financial stack for growing businesses

From
$29/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Anthropic API aWS Marketplace lists Claude Opus 4.8 (Amazon Bedrock Edition), published by seller Anthropic, at $5.00 per million input tokens and $25.00 per million output tokens for standard usage, or $2.50 and $12.50 per million tokens respectively for batch processing; Brex the free Essentials tier is limited to two legal entities
  • They diverge on capability: Anthropic API covers Multiple models, Brex covers Corporate cards.

Where they differ

Only the attributes on which Anthropic API and Brex actually diverge.

Attributes where Anthropic API and Brex differ
AttributeAnthropic APIBrex
Starting price$3/per-million-tokens$29/month
Pricing modelusage-basedfreemium
PlatformsApiWeb, Ios, Android
Founded20212017

Identical on both: free tier (No), user rating (Not yet rated), category (Unknown).

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 Anthropic API

  • Multiple models
  • 200K context
  • Vision capabilities
  • Function calling
  • REST API
  • SDKs
  • Amazon Bedrock
  • Google Vertex

Only in Brex

  • Corporate cards
  • Business accounts
  • Expense management
  • Bill pay
  • Travel
  • QuickBooks
  • NetSuite
  • Xero

What people use each for

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

Anthropic API

  • ai tools managementnot Brex
  • Workflow automationnot Brex
  • Reportingnot Brex

Brex

  • Corporate cards with spend controls for startupsnot Anthropic API
  • Expense management and reimbursementsnot Anthropic API
  • Travel booking inside the spend platformnot Anthropic API
  • Bill pay and accounting system syncnot Anthropic API
  • Multi-entity spend management on the paid tiersnot Anthropic API

Where each one falls short

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

Anthropic API

  • AWS Marketplace lists Claude Opus 4.8 (Amazon Bedrock Edition), published by seller Anthropic, at $5.00 per million input tokens and $25.00 per million output tokens for standard usage, or $2.50 and $12.50 per million tokens respectively for batch processing
  • AWS Marketplace's Anthropic listing shows cache write tokens billed separately at $6.25 per million tokens for the standard 5-minute cache, rising to $10.00 per million tokens for a 1-hour cache TTL

Brex

  • The free Essentials tier is limited to two legal entities
  • Premium is $12 per user per month, so cost scales with headcount using the card
  • Enterprise and Smart Card pricing is not published
  • Eligibility criteria are not stated anywhere on the pricing page, which matters for a product that extends credit

Pricing, plan by plan

Anthropic API

$3/per-million-tokens
  • Claude 3.5 Sonnet$3/per-million-input-tokens
    • Fast responses
    • 200K context
  • Claude 3 Opus$15/per-million-input-tokens
    • Most capable
    • Complex tasks

Brex

$29/month
  • EssentialsFree
    • Corporate cards
    • Expense management
    • Bill pay
  • Premium$12/month
    • Advanced controls
    • Custom approvals
    • Travel booking

Which should you pick?

Choose Anthropic API if

  • You need multiple models.
  • You work on Api.
  • You also want 200k context.
Anthropic API review

Choose Brex if

  • You need corporate cards.
  • You work on Web, Ios, Android.
  • You also want business accounts.
Brex review

Questions people ask

Is Anthropic API or Brex better?
Neither clearly leads. Anthropic API starts at $3/per-million-tokens and Brex at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Anthropic API or Brex?
Anthropic API starts at $3/per-million-tokens and Brex at $29/month.
Does Anthropic API or Brex run on more platforms?
Anthropic API runs on Api. Brex runs on Web, Ios, Android.
What is Anthropic API best used for?
Anthropic API is most often used for ai tools management, workflow automation, reporting. Of those, ai tools management and workflow automation are not what Brex is typically brought in for.
What can Anthropic API do that Brex cannot?
Anthropic API covers Multiple models, 200K context, Vision capabilities, Function calling. Brex covers Corporate cards, Business accounts, Expense management, Bill pay.
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