AI21 Labs J2-Ultra
ai21-j2-ultra
Last refreshed 2026-05-11. Next refresh: weekly.
AI21 Labs J2-Ultra is worth evaluating for classification and json / tool use when its provider route and context window match the workload.
Decision context: Classification task fit, 1 tracked provider route, and research from 2026-04-19.
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
Cheapest output
$9.00
AWS Bedrock per 1M tokens
Provider routes
1
Tracked API hosts
Quality / dollar
Unknown
No task benchmark coverage yet
Freshness
2026-04-19
Researched 29d ago
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
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| AWS Bedrock | $9.00 | $9.00 | Serverless |
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.
About
AI21 Labs J2-Ultra via AWS Bedrock
AI21 Labs J2-Ultra has a 8K-token context window.
AI21 Labs J2-Ultra input tokens at $9/1M, output at $9/1M.
