What is AI21 Labs?
AI21 Labs is an AI research company that develops large language models — most notably the Jurassic model family — and consumer/enterprise AI products built on these models. Their best-known consumer product is Wordtune, an AI writing assistant for rewriting and improving text. For enterprises, AI21 Labs provides API access to their models for building AI-powered applications.
AI21 Labs positions itself as focused on language AI specifically, with models designed for natural language tasks including summarisation, paraphrasing, and long-form text generation, competing with OpenAI and Anthropic in the foundation model space for enterprise API customers.
Key Features
Jurassic Language Models
Proprietary large language models for enterprise AI application development via API.
Wordtune Product
Consumer AI writing assistant for rewriting, improving and summarising text.
Enterprise API
API access to foundation models for businesses building AI-powered applications.
Long-Form Text Generation
Models specifically optimised for high-quality long-form text generation and summarisation.
Pros & Cons
What we like
Strong foundation model research with focus on language quality
Wordtune is a well-regarded consumer AI writing product
Enterprise API provides alternative to OpenAI for building AI apps
Smaller, more focused company with deep language AI expertise
Watch out for
Less consumer brand recognition than OpenAI or Anthropic
Enterprise model API requires developer integration knowledge
Wordtune's consumer positioning competes in a crowded market
Less diverse model capabilities than larger foundation model providers
Frequently Asked Questions
AI21 Labs is an AI research company that builds large language models (the Jurassic family) and products powered by them, including Wordtune for consumers and enterprise APIs for businesses building AI applications.
Wordtune is an AI writing assistant product built and owned by AI21 Labs, powered by their language models — it's AI21 Labs' primary consumer-facing product alongside their enterprise model API.
Yes — AI21 Labs competes with OpenAI, Anthropic and other foundation model providers for enterprise API customers who need LLM capabilities for building AI-powered applications, offering their Jurassic models as an alternative.