/ AI21 Labs / Jurassic-2 Grande (Base) AI21 Labs / Jurassic-2
Jurassic-2 Grande (Base) Original Grande base model from the March 2023 Jurassic-2 launch. The provider deprecated its SageMaker package and recommends Jurassic-2 Mid.
deprecated Closed weights Text generation
Context window Not collected Awaiting source review
Maximum output Not collected Awaiting source review
Input billing Not collected Amazon SageMaker (original model package)
Output billing Not collected No inferred price
Specifications Access & pricing Caching Evaluation Sources & lifecycle
Specifications Provider-documented facts. “Not collected” means we have not verified that field yet, not that the feature is unsupported.
Context / input limit Not collected No exact-version evidence collected; specifications of another model are not inherited.
Maximum input tokens Not collected No exact-version evidence collected; specifications of another model are not inherited.
Maximum output Not collected No exact-version evidence collected; specifications of another model are not inherited.
Reasoning Not collected No exact-version evidence collected; specifications of another model are not inherited.
Tool calling Not collected No exact-version evidence collected; specifications of another model are not inherited.
Structured output Not collected No exact-version evidence collected; specifications of another model are not inherited.
Streaming Not collected No exact-version evidence collected; specifications of another model are not inherited.
Batch processing Not collected No exact-version evidence collected; specifications of another model are not inherited.
Fine-tuning Not collected No exact-version evidence collected; specifications of another model are not inherited.
Context caching Not collected No exact-version evidence collected; specifications of another model are not inherited.
Parameters Not collected No exact-version evidence collected; specifications of another model are not inherited.
Architecture Not collected No exact-version evidence collected; specifications of another model are not inherited.
Access & pricing Prices belong to an endpoint and billing tier. A provider listing does not guarantee access for every account or region.
API model ID arn:aws:sagemaker:us-east-1:865070037744:model-package/j2-grande-v1-0-43-6964668ff5aa38edbffbbb3f57e83d39
Access Deprecated original model package. The recorded ARN is the documented us-east-1 package identity, not an inference endpoint name. New deployment eligibility is unverified.
Regions Historical package map: us-east-1, us-east-2, us-west-1, us-west-2, ca-central-1, eu-central-1, eu-west-1, eu-west-2, eu-west-3, eu-north-1, ap-southeast-1, ap-southeast-2, ap-northeast-2, ap-northeast-1, ap-south-1, sa-east-1 Endpoint pricing has not been collected. Check the provider for applicable rates.
Data & enterprise terms Retention, training use, regional processing and enterprise terms have not been summarized for this endpoint.
Caching Caching can reuse earlier input processing. Availability, lifetime and billing depend on the endpoint. A cache hit still generates a new response.
01 / INITIAL INPUT Process & retain The system processes eligible input and retains reusable state.
02 / LATER REQUEST Check available state Reuse depends on matching input, session state and the cache policy.
03 / CACHE HIT Reuse & generate Reusing state can reduce repeated work. Any charges follow the billing rules below.
Amazon SageMaker (original model package) arn:aws:sagemaker:us-east-1:865070037744:model-package/j2-grande-v1-0-43-6964668ff5aa38edbffbbb3f57e83d39Not verified No version-specific cache contract verified.
How it works Not collected No version-specific cache contract verified.
Minimum reusable input Not collected No version-specific cache contract verified.
Lifetime & refresh Not collected No version-specific cache contract verified.
How to enable it Not collected No version-specific cache contract verified.
Usage fields Not collected No version-specific cache contract verified.
Billing rules Not collected No version-specific cache contract verified.
Limits & data boundaries Not collected No version-specific cache contract verified.
No verified cache rate for this endpoint. An empty rate is not a zero charge.
Caching reviewed 14 Oct 2026
What the measurements say No benchmark observations have been added for this model. We do not turn a vendor description into a performance score.
Latency and throughput depend on the host, request size, reasoning settings and load. There is no measured speed or global usage figure in this record.
The record behind the model Why it is included Closed-weight distribution inference: the provider supplies a hosted API and a private SageMaker model package, not downloadable weights. The reviewed official AI21 public model inventory contains no matching Jurassic or GEC checkpoint. Public SDK source code is not model weights.
Classification evidence (opens in a new tab) Lifecycle dates Sources reviewed Model notes 18 records cover Jurassic families, the evaluated Grande v2 beta, task-specific models and explicitly managed text/embedding services. Original packages, renamed offerings and hosting contracts remain distinct. Public Jamba releases are excluded; missing specifications and lifecycle remain under review.
Official AI21 provider icon used as fallback; distinct model artwork is unverified.
Historical documentation does not establish a callable current endpoint. Unverified prices and cache support are left unknown.
The provider notebook explicitly marks this original package deprecated and recommends Mid. Exact deprecation and shutdown dates remain unverified.
Parameter counts and context limits from Jurassic-1 or later Jurassic-2 host documentation are not assigned to this original release.
Check against your workload Try representative inputs, measure task success and total cost, then check the exact endpoint’s data policy.
Read our methodology
Also from AI21 Labs Contextual Answers Jurassic-2 Light Jurassic-2 Mid Jurassic-2 Ultra Paraphrase Summarize Jurassic-1 Large Jurassic-1 Jumbo Jurassic-1 Grande Jurassic-2 Large (Base) Jurassic-2 Jumbo (Base) Grammatical Error Correction 