Register for a premium account to gain access to Sterling AI.
Get StartedThings you can ask Sterling:
| Round (date, lead) | Amount | Post-Money Valuation |
|---|---|---|
| Seed (May 2017, Betaworks / SV Angel) | $1.2M | undisclosed |
| Series A (Dec 2019, Lux Capital) | $15M | undisclosed |
| Series B (Mar 2021, Addition) | $40M | ~$400M |
| Series C (May 2022, Lux Capital) | $100M | $2B |
| Series D (Aug 2023, Salesforce; all major chip cos.) | $235M | $4.5B |
| NVIDIA standalone offer (late 2025, declined) | ~$500M (declined) | ~$7B implied |
| Metric | Value | As of |
|---|---|---|
| Public models on Hub | 2M+ (private repos roughly double) | late 2025 |
| Public datasets on Hub | 500K+ | late 2025 |
| Public Spaces (demo apps) | 1M+ | late 2025 |
| Registered users | ~13M | 2025 |
| Organizations on platform | 500K+ (mostly free tier) | 2025 |
| Paying enterprise customers | 2,000+ (Intel, Pfizer, Bloomberg, eBay) | Jun 2025 |
| Transformers daily pip installs | 3M+ (1.2B cumulative) | Dec 2025 |
| huggingface_hub monthly downloads | 113.5M (1.6B cumulative) | Oct 2025 |
End 2022 (est.)-May 2026
End 2024-May 2026
2021-2024
Nov 2020 (v4)-Dec 2025 (v5)

$PRIVATE
Largest AI lab by revenue. Approximately $13B annualized run-rate revenue (mid-2025) from a mix of ChatGPT consumer subscriptions, ChatGPT Enterprise / Team, the OpenAI API, and Microsoft Azure OpenAI revenue share. ChatGPT reaches roughly 800M weekly active users (late 2025). Builder of the GPT family (GPT-4o, GPT-4.5, GPT-5, o-series reasoning models) and Sora video. Microsoft is the dominant compute and distribution partner; SoftBank led the $40B March 2025 primary round at $300B.