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Costura

Reads read-only billing data from AI providers and rolls up API key and seat spend by person.

Actively maintained

Costura: data, price, alternatives
At a glancechecked Nov 2, 2026

not read yet

Use

For
Teams and finance or engineering leads tracking spend across multiple AI provider accounts and seats.
Activity
Actively maintainedrelease yesterday · site updated 2 weeks ago
How it runs
Self-hosted
Used for
  • Explain why AI provider spend rose each week
  • Find API keys that have no owner or spend limit
  • Reconcile AI spend against each provider's own billing report
Worth knowingcomputed from what we read · each with its source
  • Publishes llms.txt, a file written for AI assistantscostura.ai ↗
  • Launched on Product Hunt on Oct 20, 2026Product Hunt ↗
Alternatives in Developer toolsby use, among tools still maintained

Figure and bar: visits/mo, estimate · year: online since

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Questions this page answers
  • What is Costura?

    Reads read-only billing data from AI providers and rolls up API key and seat spend by person. It is listed in the Atlas under Developer tools.

  • Who is Costura for?

    Teams and finance or engineering leads tracking spend across multiple AI provider accounts and seats.

  • Do people use Costura?

    Little sign of use.

  • Is Costura still maintained?

    Actively maintained: release yesterday · site updated 2 weeks ago.

  • What are alternatives to Costura?

    In Developer tools, by use: Experiential Labs, ZopDev, AI SpendOps, Costory, LevelFour.

How we read a tool

No votes, no reviews, no vendor claims. Every week a crawler reads each tool's own site and a few public registries, and the words on the card are bands over what it read.

  • Use: visits to the site (estimated), installs from npm and PyPI, presence in Chrome's usage report.
  • Activity: the newest release on GitHub, npm or PyPI; the newest dated page on the site; open roles on a public jobs board.
  • Price: the vendor's own pricing page, read with the date. A figure is printed only when it is on that page.
  • The line and the use cases are written by us from the homepage, one tool at a time, and refused when they repeat the vendor's marketing.

How AI assistants read each site — the reading vendors ask us about — is on each tool's own visibility page.

How we read every tool → · By INITE Atlas Desk