LLM Reference

AI21 Labs J2-Mid

Released
2021-08-09
Last refreshed
2026-06-15
Status
Researched 41d ago
ProprietaryCommercial use: conditionalClassificationJSON / Tool use

AI21 Labs J2-Mid is worth evaluating for classification and json / tool use when its provider route and context window match the workload.

Use it for

  • Teams evaluating classification and json / tool use
  • Workloads that can use a 8k context window
  • Buyers comparing 1 tracked provider route

Do not use it for

  • Vision or document-understanding workloads
Specifications
Released
2021-08-09
Context
8k
Parameters
17B
Architecture
Decoder Only
Knowledge cutoff
2022
Specialization
general
Openness
Proprietary
License
ProprietaryCommercial use: conditional
Created by

Developing AI for natural language understanding.

Tel Aviv, Israel
Founded 2017
Website
Pricing
Output / 1M
$6.00
Input / 1M
$6.00

Cheapest of 1 route · AWS Bedrock

About

AI21 Labs J2-Mid is AI21 Labs' Jurassic-2 model. It offers an 8K-token context window.

AI21 Labs J2-Mid is a proprietary model in the Jurassic-2 family. The structured metadata tracks a 8k-token context window and structured outputs. This page tracks provider routes through AWS Bedrock, with the cheapest tracked route listed at $6 input and $6 output per 1M tokens. No headline benchmark score is tracked for AI21 Labs J2-Mid yet.

Top use-case fit

Classification

Included by capability and metadata signals in the decision map.

JSON / Tool use

Included by capability and metadata signals in the decision map.

Provider price ladder

Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
AWS Bedrock$6.00$6.00
Serverless

Available via routers & gateways(1)

Capabilities

Structured Outputs

Benchmark peer barsfor Classification

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

Frequently asked questions

What is the context window of AI21 Labs J2-Mid?

AI21 Labs J2-Mid has a context window of 8k tokens.

How much does AI21 Labs J2-Mid cost?

AI21 Labs J2-Mid is available at $6.0/1M input tokens through AWS Bedrock.

When was AI21 Labs J2-Mid released?

AI21 Labs J2-Mid was released on 2021-08-09.

Which providers offer AI21 Labs J2-Mid?

AI21 Labs J2-Mid is available from 1 provider: AWS Bedrock.