Jurassic-2

AI21 Labs' large language model with 178B parameters for enterprise AI

Code & DevelopmentPaid

Jurassic-2 is a family of large language models developed by AI21 Labs, offering Ultra (178B parameters), Mid, and Light versions for different performance and cost requirements. The models are known for strong performance on tasks requiring precise instruction following, factual accuracy, and avoiding hallucinations compared to similarly-sized models. AI21 Studio, the developer platform, provides API access and fine-tuning capabilities that allow businesses to adapt Jurassic-2 to their specific domain, vocabulary, and use case with relatively small training datasets. AI21 also develops Wordtune and other application-layer products built on these foundation models, demonstrating the capability in production.

Key Features

• ✓178B parameter model
• ✓Low hallucination rates
• ✓Fine-tuning support
• ✓Instruction following
• ✓Enterprise API
• ✓Multiple size tiers