---
title: "Scale AI revenue and valuation"
description: "Scale AI's ARR is estimated at $1.29B–$2.22B, last reported at $1.5B. Valued at $29B after raising $15.9B. Funding rounds and competitors."
url: https://www.tryspecter.com/revenue-valuation/scale-ai.md
canonical_url: https://www.tryspecter.com/revenue-valuation/scale-ai
publisher: Specter
last_updated: 2026-11-01
---

# Scale AI revenue and valuation

Specter estimates Scale AI's annual revenue at $1.29B to $2.22B and its valuation at $23B to $56.7B. The company last reported $1.5B ARR in December 2025 and was priced at $29B in June 2025.

Scale provides a data platform for training, annotating, and evaluating AI models.

- Estimated revenue: $1.29B to $2.22B (October 2026)
- Estimated valuation: $23B to $56.7B (October 2026)
- Last reported ARR: $1.5B (December 2025)
- Total funding: $15.9B
- Founded: 2016
- Headquarters: San Francisco, United States
- Employees: 7,489
- Sector: AI data
- Specter Rank: #98,572

## Scale AI revenue

Scale AI last reported $1.5B ARR in December 2025. Specter's model puts current ARR between $1.29B and $2.22B.

| Reported figure | Date | Source |
| --- | --- | --- |
| $1.5B ARR | December 2025 | [The Quirky Math Behind M&A Pricing in Tech: Why $125M ARR Can Be Worth $2B+… And Then Disappear](https://www.saastr.com/the-quirky-math-behind-ma-pricing-in-tech-why-125m-arr-can-be-worth-2b-and-then-disappear/) (saastr.com) |

| Month | Specter estimate | Low | High |
| --- | --- | --- | --- |
| October 2026 | $1.7B | $1.29B | $2.22B |
| September 2026 | $1.68B | $1.3B | $2.19B |
| August 2026 | $1.65B | $1.26B | $2.17B |
| July 2026 | $1.83B | $1.3B | $2.58B |
| June 2026 | $1.53B | $1.23B | $1.92B |
| May 2026 | $1.53B | $1.24B | $1.89B |
| April 2026 | $1.52B | $1.22B | $1.89B |
| March 2026 | $1.49B | $1.19B | $1.86B |
| February 2026 | $1.49B | $1.21B | $1.83B |
| January 2026 | $1.48B | $1.22B | $1.8B |
| December 2025 | $1.5B | $1.25B | $1.8B |
| November 2025 | $1.43B | $1.04B | $1.98B |
| October 2025 | $1.37B | $1.03B | $1.83B |
| September 2025 | $1.31B | $970M | $1.76B |
| August 2025 | $1.25B | $930M | $1.69B |
| July 2025 | $1.2B | $890M | $1.6B |
| June 2025 | $1.14B | $880M | $1.48B |
| May 2025 | $1.09B | $880M | $1.35B |
| April 2025 | $1.04B | $850M | $1.28B |
| March 2025 | $1B | $820M | $1.22B |
| February 2025 | $950M | $780M | $1.16B |
| January 2025 | $910M | $750M | $1.1B |
| December 2024 | $870M | $720M | $1.05B |
| November 2024 | $780M | $560M | $1.09B |
| October 2024 | $710M | $520M | $970M |
| September 2024 | $640M | $490M | $830M |
| August 2024 | $570M | $420M | $780M |
| July 2024 | $520M | $420M | $630M |
| June 2024 | $470M | $380M | $570M |

## Scale AI valuation

Scale AI's valuation rose from $1B at its Series C in August 2019 to $29B at its corporate round in June 2025. Specter's live estimate sits between $23B and $56.7B.

| Month | Specter estimate | Low | High |
| --- | --- | --- | --- |
| October 2026 | $36.1B | $23B | $56.7B |
| September 2026 | $32.5B | $21.6B | $48.8B |
| August 2026 | $32.2B | $22.4B | $46.4B |
| July 2026 | $32.4B | $23B | $45.6B |
| June 2026 | $30.9B | $22.7B | $41.9B |
| May 2026 | $30.5B | $23B | $40.5B |
| April 2026 | $30.5B | $23.4B | $39.7B |
| March 2026 | $30.8B | $24.3B | $39.1B |
| February 2026 | $29.1B | $23.6B | $35.9B |
| January 2026 | $29B | $24.1B | $34.9B |
| December 2025 | $29B | $24.1B | $34.9B |
| November 2025 | $10B | $8.32B | $12B |
| October 2025 | $10B | $8.32B | $12B |
| September 2025 | $14.1B | $11.1B | $17.9B |
| August 2025 | $19.9B | $16.1B | $24.6B |
| July 2025 | $28B | $23.3B | $33.7B |
| June 2025 | $29B | $24.1B | $34.9B |
| May 2025 | $26.9B | $22.1B | $32.9B |
| April 2025 | $25B | $20.8B | $30.1B |
| March 2025 | $23.7B | $17.9B | $31.3B |
| February 2025 | $22.4B | $18.2B | $27.7B |
| January 2025 | $21.3B | $17.3B | $26.1B |
| December 2024 | $20.1B | $16.4B | $24.7B |
| November 2024 | $19.1B | $15.7B | $23.2B |
| October 2024 | $18.1B | $15.1B | $21.6B |
| September 2024 | $17.1B | $14.3B | $20.5B |
| August 2024 | $16.2B | $13.6B | $19.4B |
| July 2024 | $15.4B | $13.2B | $18B |
| June 2024 | $14.6B | $12.3B | $17.3B |

| Reported valuation | Month | Source |
| --- | --- | --- |
| $29B | January 2026 | [news.crunchbase.com](https://news.crunchbase.com/venture/largest-funding-rounds-genai-defense-eoy-2025/) |
| $29B | December 2025 | [businessinsider.com](https://www.businessinsider.com/pay-cuts-poaching-pivoting-inside-scale-ai-meta-2025-12) |
| $10B | November 2025 | [wsj.com](https://www.wsj.com/tech/ai/the-ai-startup-fueling-chatgpts-expertise-is-now-valued-at-10-billion-f1281e56?gaa_at=eafs&gaa_n=AWEtsqfrc86fa3hmAIShojIN_vXczwolX3sf0QBAKxN8i9A5ckJsKOALM_3C&gaa_ts=6908d5f8&gaa_sig=iGhjlQ38CcVrnEEGLbqZVe0niO7tUggr1dCPd4NE8j8uaDMdomN51k9ZpNsYhQXv2LsdpW6xkhnaLML4YQbudg%3D%3D) |
| $10B | October 2025 | [wsj.com](https://www.wsj.com/tech/ai/the-ai-startup-fueling-chatgpts-expertise-is-now-valued-at-10-billion-f1281e56?gaa_at=eafs&gaa_n=AWEtsqc-UNruJ8o32iSkyqgeDhh2aFTcJ-2lWWodU-eU0PIrWE4KYdaaZivF&gaa_ts=6901e92b&gaa_sig=JV0ROb-aYgO0oxZ2FdsFGuBlU3EsZIXeuLjVlIdXd-mpMQwWta0BaOpCWQcWGqkefSIt8P4etYb4YO4KQA_Lwg%3D%3D) |
| $28B | July 2025 | [quotenet.nl](https://www.quotenet.nl/zakelijk/a65035116/meta-alexandr-wang-scale-ai-lucy-guo) |
| $29B | June 2025 | Funding round |
| $25B | April 2025 | [theinformation.com](https://www.theinformation.com/articles/scale-ai-missed-revenue-profit-targets-ahead-share-sale) |
| $13.8B | May 2024 | Funding round |
| $29B | October 2023 | [investopedia.com](https://www.investopedia.com/meta-invests-big-in-startup-scale-ai-brings-on-its-ceo-for-ai-development-efforts-11754208) |
| $7.3B | August 2023 | [techcrunch.com](https://www.techcrunch.com/startups/3040988/cracks-are-forming-in-metas-partnership-with-scale-ai/) |
| $7.3B | April 2021 | Funding round |
| $3.5B | December 2020 | Funding round |
| $1B | August 2019 | Funding round |

## Scale AI funding rounds

| Date | Round | Raised | Post-money | Lead investors |
| --- | --- | --- | --- | --- |
| 10 Jun 2025 | Corporate round | $14.3B | $29B | Meta |
| 4 Jun 2025 | Venture round | Undisclosed | Undisclosed | Undisclosed |
| 21 May 2024 | Series F | $1B | $13.8B | Accel |
| 11 Sep 2023 | Secondary | Undisclosed | Undisclosed | Undisclosed |
| 13 Apr 2021 | Series E | $325M | $7.3B | Dragoneer Investment Group, Greenoaks, Tiger Global Management |
| 1 Dec 2020 | Series D | $155M | $3.5B | Tiger Global Management |
| 5 Aug 2019 | Series C | $100M | $1B | Founders Fund |
| 7 Aug 2018 | Series B | $18M | Undisclosed | Index Ventures |
| 16 Jul 2017 | Series A | $4.5M | Undisclosed | Accel |
| 22 Aug 2016 | Seed | $120K | Undisclosed | Undisclosed |

## Scale AI vs competitors

The AI data services market splits between automated workflow platforms and human-centric annotation providers.

| Company | Estimated revenue | Estimated valuation |
| --- | --- | --- |
| Scale AI | $1.29B–$2.22B | $23B–$56.7B |
| Surge AI (surgehq.ai) | $1.05B–$2.63B | $1.99B–$6.97B |
| Centific (centific.com) | $210M–$610M | $760M–$2.77B |
| Appen (appen.com) | $164M–$290M | No estimate |
| iMerit (imerit.net) | $87M–$420M | $520M–$2.42B |

## Questions

### What is Scale AI's revenue?

Specter estimates Scale AI's annual recurring revenue at $1.29B to $2.22B as of October 2026. Scale AI last reported $1.5B ARR in December 2025.

### What is Scale AI's valuation?

Scale AI's latest post-money valuation is $29B, from a June 2025 corporate round. Specter's live estimate is $23B to $56.7B.

### What is Scale AI's revenue multiple?

Scale AI is valued at about 19.3× ARR, based on its $29B June 2025 valuation and $1.5B last reported ARR. That works out to roughly $200K of ARR per employee.

### How much funding has Scale AI raised?

$15.9B across 10 rounds, from a $120K Seed in August 2016 to a $14.3B corporate round in June 2025.

### Who invested in Scale AI?

50 investors, including Accel, Dragoneer Investment Group, Founders Fund, Greenoaks, Meta and Tiger Global Management.

### Who are Scale AI's competitors?

Surge AI, Centific, Appen and iMerit. Specter ranks 30 competitors for Scale AI.

## About this data

Specter models revenue and valuation monthly and anchors each estimate to reported figures and priced rounds. Method: https://www.tryspecter.com/revenue-valuation

Cite as: Specter. "Scale AI revenue and valuation." tryspecter.com/revenue-valuation/scale-ai. Updated November 2026.
