AI21 Studio

first-party

models served

AI21_API_KEY

auth

api.ai21.com/studio/v1

base url

OpenAI-compatible chat completions. Serves the Jamba family (hybrid SSM-Transformer, 256K context). Aliases like jamba-mini point at the latest dated snapshot. docs →

01Request template

Every model below is invoked with this shape — swap in the provider model ID from the table.

shell · template

curl https://api.ai21.com/studio/v1/chat/completions \
  -H "Authorization: Bearer $AI21_API_KEY" \
  -H "content-type: application/json" \
  -d '{
    "model": "{{MODEL_ID}}",
    "messages": [{"role": "user", "content": "Hello, world"}]
  }'

02Models served · newest first

Model	Provider model ID	In $/M	Out $/M	Context
Jamba Large 1.7AI21 Labs	jamba-large-1.7	2.00	8.00	262K
Jamba Mini 2AI21 Labs	jamba-mini-2	0.20	0.40	262K