AI21 Labs reached a $1.4 billion valuation after closing a $300 million Series D round in May 2025, bringing total funding to $636 million from backers including Google and Nvidia. The Israeli company behind the Jurassic family of large language models powers Wordtune, which serves over 10 million users across 10 languages. This article covers the key numbers behind AI21’s models, products, funding, and enterprise reach.
Key AI21 Jurassic AI Statistics 2026
- AI21 Labs has raised $636 million in total funding across 7 rounds since 2019.
- The company holds a $1.4 billion valuation as of May 2025.
- Wordtune has served over 10 million users with more than 782 million rewrite suggestions.
- Jurassic-1 Jumbo launched with 178 billion parameters and was trained on 1.2 trillion tokens.
- AI21’s headcount reached 227 employees as of February 2026, up from roughly 92 a year earlier.
How Big Is AI21 Labs in 2026?
AI21 Labs operates as a unicorn-status generative AI company headquartered in Tel Aviv, Israel. The firm crossed unicorn status in 2023 and has since expanded into enterprise infrastructure, opening a presence in the Dubai International Financial Centre in August 2025.
The company employs 227 staff as of February 2026, according to Tracxn, with operations spanning research, enterprise sales, and consumer products.
| Metric | Value | As of |
|---|---|---|
| Total funding raised | $636 million | May 2025 |
| Valuation | $1.4 billion | May 2025 |
| Employees | 227 | February 2026 |
| Founding year | 2017 | — |
| Headquarters | Tel Aviv, Israel | — |
| Funding rounds | 7 | May 2025 |
Source: Tracxn, PitchBook
AI21 Jurassic Statistics 2026 – Funding History
AI21 Labs has closed 7 funding rounds since 2019. The Series D round of $300 million in May 2025 was the largest single round and was led by Nvidia and Alphabet. The company’s 2023 Series C closed at $155 million.
| Round | Amount | Date | Lead Investors |
|---|---|---|---|
| Seed | $9.5 million | January 2019 | Pitango, TPY Capital |
| Series A | $25 million | November 2021 | Pitango First, Walden Catalyst |
| Series B | $64 million | July 2022 | Ahren Innovation Capital |
| Series C | $155 million | August 2023 | Google, Nvidia, Intel Capital |
| Series C-II | $53 million | November 2023 | Comcast Ventures, Intel |
| Series D | $300 million | May 2025 | Nvidia, Alphabet |
Source: Calcalist, SiliconANGLE, Tracxn
Investors across the cap table now include 21 backers, with Google, Nvidia, Intel Capital, Samsung Next, Walden Catalyst, Coatue Management, Pitango, and Comcast Ventures among the most prominent.
For context on how AI21 stacks up against rivals, you can read more about OpenAI growth statistics and Anthropic key numbers.
Jurassic Model Family at a Glance
The Jurassic line includes Jurassic-1 (released August 2021) and Jurassic-2 (released March 2023). Jurassic-1 Jumbo featured 178 billion parameters, making it one of the largest publicly available models at launch. Jurassic-2 dropped public parameter disclosures in favor of benchmark-based positioning.
| Model | Release | Parameters | Notable Spec |
|---|---|---|---|
| Jurassic-1 Large | August 2021 | 7 billion | 250,000+ token vocabulary |
| Jurassic-1 Jumbo | August 2021 | 178 billion | Largest LLM available for general use at release |
| Jurassic-2 Large | March 2023 | Undisclosed | Multilingual base model |
| Jurassic-2 Grande | March 2023 | Undisclosed | Mid-size, instruction-tuned |
| Jurassic-2 Jumbo (Ultra) | March 2023 | Undisclosed | 86.8% win-rate on internal HELM evaluation |
Source: AI21 Labs, Stanford CRFM
Jurassic-2 Training Data
Jurassic-2 was trained on a 1.2 trillion token corpus drawn from a filtered version of CommonCrawl, Wikipedia, BookCorpus, arXiv, and Stack Exchange, according to Stanford’s May 2024 Foundation Model Transparency Index. Training data extended through mid-2022.
How Many People Use Wordtune?
Wordtune is AI21’s consumer-facing product, originally built on Jurassic-1 and now powered by AI21’s broader model stack. The browser extension launched in October 2020 and was named one of Google’s favorite extensions of 2021.
As of August 2025, Wordtune supports 10 languages and has served more than 782 million rewrite suggestions to its 10 million users worldwide.
| Wordtune Metric | Figure |
|---|---|
| Total users worldwide | 10 million+ |
| Rewrite suggestions delivered | 782 million+ |
| Languages supported | 10 |
| Launch date | October 2020 |
| Paid subscriber tier | Hundreds of thousands |
Source: Contrary Research, AI21 Labs
Enterprise customers using Wordtune for employee productivity include Monday.com, eBay, UiPath, and Transmit Security.
AI21 Jurassic AI Statistics 2026 – Enterprise Customers
The Jurassic and Jamba models have been adopted across regulated and high-stakes sectors. AI21’s enterprise customer roster covers consulting, life sciences, travel, and finance.
| Industry | Named Customers |
|---|---|
| Consulting | Boston Consulting Group, Bain & Company, Capgemini |
| Life Sciences | Moderna, Amgen |
| Travel | JetBlue, Booking.com |
| Web Platforms | Wix |
| Philanthropy | Gates Foundation |
Source: Contrary Research
Wix alone runs hundreds of AI applications on AI21’s systems, according to reporting from Calcalist. Compare this to other enterprise plays in enterprise AI adoption trends.
Jurassic Distribution Channels
Jurassic-2 reaches developers and enterprises through 5 main distribution paths beyond AI21’s direct SaaS platform.
- AI21 Studio (direct API and playground)
- Amazon Bedrock and SageMaker
- Google Cloud Platform Marketplace
- Snowflake Snowpark Container Services
- Dataiku LLM Mesh
In November 2025, AI21 also partnered with Together AI to expand access to its open-source Jamba models, and in December 2025 Maestro became available on Amazon Virtual Private Cloud.
Jurassic-2 Performance Benchmarks
On Stanford’s Holistic Evaluation of Language Models (HELM) framework, Jurassic-2 Jumbo posted an 86.8% win-rate based on AI21’s internal evaluation. The mid-size Grande model outperformed competitors up to 30 times its size, according to AI21’s launch documentation.
Stanford’s May 2024 Foundation Model Transparency Index gave Jurassic-2 transparency scores of 21 for upstream data, 25 for the model itself, and 29 for downstream use.
How AI21 Compares to AI Rivals
AI21 has raised significantly less than its largest competitors but reached unicorn status faster than most. Here’s how the funding picture looked as of August 2025.
| Company | Total Funding | Valuation |
|---|---|---|
| Cohere | $1.6 billion | $6.3 billion |
| Mistral AI | $1 billion | $6 billion |
| AI21 Labs | $636 million | $1.4 billion |
Source: Contrary Research
For deeper reading on the wider competitive set, see generative AI market data and large language model trends.
What Comes After Jurassic?
AI21 released Jamba in March 2024, a hybrid Mamba-SSM transformer using mixture of experts with context windows up to 256,000 tokens. Jamba 1.5 came to Amazon Bedrock in September 2024, and Jamba 1.6 launched for private enterprise deployment in March 2025. Jamba 1.6 became available on HPE Private Cloud AI in June 2025.
Jamba models reportedly use 30% less compute than comparable systems, according to AI21’s documentation. Maestro, the company’s planning and orchestration system released in March 2025, claims to boost instruction-following accuracy on GPT-4o and Claude Sonnet 3.5 by up to 50% on internal tests.
For more on related model architectures, you can browse transformer model developments and AI agent statistics.
FAQs
How many parameters does Jurassic-1 Jumbo have?
Jurassic-1 Jumbo has 178 billion parameters, making it slightly larger than OpenAI’s GPT-3 davinci (175 billion) at the time of its August 2021 release. It was the largest publicly available LLM for general developer use at launch.
How much funding has AI21 Labs raised?
AI21 Labs has raised $636 million across 7 funding rounds since 2019. The most recent was a $300 million Series D in May 2025, led by Nvidia and Alphabet. The company holds a $1.4 billion valuation.
How many users does Wordtune have?
Wordtune has over 10 million users worldwide and has served more than 782 million rewrite suggestions as of August 2025, according to Contrary Research. The product supports 10 languages and operates as a freemium service.
What is Jurassic-2 trained on?
Jurassic-2 was trained on a 1.2 trillion token corpus including filtered CommonCrawl, Wikipedia, BookCorpus, arXiv, and Stack Exchange data. Training data is current through mid-2022, per Stanford’s Foundation Model Transparency Index.
Where can developers access Jurassic models?
Jurassic-2 is available on AI21 Studio directly, plus Amazon Bedrock, Amazon SageMaker, Google Cloud Marketplace, Snowflake Snowpark Container Services, and Dataiku’s LLM Mesh ecosystem. Jamba models are also distributed through Together AI as of November 2025.
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