AI companies

AI developer tools companies · lambda.ai

Lambda valuation, funding and revenue

Lambda sells GPU cloud computing and AI factory infrastructure for AI training and inference to AI researchers, enterprises and hyperscalers.

Figures checked October 2026. Each one links to its source.

Latest valuation

Not disclosed

No public valuation found.

Total funding

$1.5B+

Latest round only; no public total found.

Revenue

Not disclosed

Website visits

360K

Estimated, August 2026. +1% on the month before.

What is Lambda's valuation?

We found no public valuation for Lambda. Private companies rarely publish one; it is usually disclosed with a funding round or reported by the press.

How much funding has Lambda raised?

No public source states Lambda's total funding. The rounds below are the ones we could confirm; there may be others. The latest round was a $1.5B Series E in November 2025, led by TWG Global.

DateRoundAmountLed byValuationSource
November 2025Series E$1.5BTWG Global–lambda.ai
February 2025Series D$480M–$2.5Breuters.com (reported)
February 2024Series C$320M–$1.5Blambda.ai

What is Lambda's revenue?

Lambda has not published revenue or ARR, and we found no reliable press report of it.

ARR (annual recurring revenue) is the yearly value of current subscriptions; annualized revenue scales a recent month or quarter up to a year. Neither is audited revenue. See what ARR is.

Lambda website traffic

Estimated monthly visits to lambda.ai across all channels, rounded. -5% over three months to August 2026.

  • May 2026380K
  • June 2026350K
  • July 2026360K
  • August 2026360K

Lambda competitors

AI companies in the same category (AI developer tools companies) with a similar amount of website traffic. Similar size and category do not mean identical products; check what each one sells.

  • Lightning AI

    lightning.ai · 370K visits a month

  • mastra.ai

    370K visits a month

  • Factory

    factory.ai · 370K visits a month

  • t3.codes

    360K visits a month

  • llama.app

    360K visits a month

Fastest-growing AI developer tools companies

About Lambda

  • Lambda sells GPU cloud computing and AI factory infrastructure for AI training and inference to AI researchers, enterprises and hyperscalers. lambda.ai
  • Founded in 2012. lambda.ai
  • Founders: Stephen Balaban. lambda.ai
  • Lambda did not disclose the valuation and declined to comment on it to TechCrunch, so no latest valuation is given. techcrunch.com
  • Reuters reported a $2.5 billion Series D valuation from unnamed sources; it is not shown as the latest valuation because the larger November 2025 Series E superseded it at an undisclosed price. reuters.com
  • In October 2026 the Wall Street Journal, via TechCrunch, reported that Lambda is raising up to $4 billion at a $14.5 billion pre-money valuation, led by Coatue Management and Blackstone, possibly its last private round before a planned 2027 IPO. This is a round in progress, not a closed round. The same report says Lambda's backlog grew from $15 billion in June to $50 billion in September 2026, much of it from a $35 billion Anthropic commitment. techcrunch.com
  • Lambda has also raised debt: a $1 billion senior secured credit facility (May 2026, upsized from $275 million set in August 2025), a $926 million term loan B (August 2026) and $1 billion of senior secured fixed-rate financing (October 2026). These are loans, not equity rounds. lambda.ai
  • Michel Combes became CEO in May 2026; co-founder Stephen Balaban moved to CTO. lambda.ai

Get two growing AI companies and two rising searches every Monday.

Free. The paid database tracks every company's traffic, growth and modeled revenue week by week. Compare plans.

Free weekly email, plus a short welcome series. No card required. Unsubscribe any time.

How we use your email