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Jurassic-1

AI21 LabsProprietaryPending Human Review

Jurassic-1 is a proprietary AI21 language-model family. AI21’s initial developer-accessible language-model family was offered in an open beta through AI21 Studio. It introduced a large 250,000-token vocabulary including multiword tokens, supporting text generation, question answering, and writing applications. The current official announcement is dated August 4, while contemporary reporting commonly dates wider launch to August 11. No public weights are available. This record describes first publication and does not imply that the original endpoints remain supported. Generated content may be inaccurate or biased.

2021-08-04
Jumbo 178B; smaller tier
Undisclosed
Proprietary

Specifications

Parameters
Jumbo 178B; smaller tier
Architecture
Undisclosed
License
Proprietary
Type
text
Modalities
text

Benchmark Scores

Advanced Specifications

Model Family
Jurassic
API Access
Available
Chat Interface
Not Available

Capabilities & Limitations

Capabilities
text generationquestion answeringwriting assistance
Known Limitations
Closed weightsHistorical API availability can differ from current support
Notable Use Cases
writing applicationsenterprise text workflows

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