AI21 Labs

trial credit · model_vendor · verification: partially_verified (65%, doc_fetch, 2026-07-17)

The record

Base URLs	https://api.ai21.com/studio/v1 openai-compatible
API key required	yes
Credit card	unknown
Phone verification	unknown
May train on prompts	unknown
Quota	trial_credit [credits] “Credits: $10 for 3 months — Models: Jamba family of models (cheahjs). Free-LLM: "$10 credit \| Credit-based \| 3 months \| Jamba models".”
Signup friction	steps unknown
Env var	AI21_API_KEY
Notes	Official Jamba API ref confirms endpoint https://api.ai21.com/studio/v1/chat/completions with OpenAI-style messages/model/max_tokens request shape, model aliases jamba-large and jamba-mini, SSE streaming, and function-type tool calling. Constraint per docs: streaming must be false when using tools; max output for Jamba models is 4096 tokens. Rate limits not published on the fetched page.

model	capabilities	context	free	limits
jamba-large	chat, tool_calling	?	trial	Credits: $10 for 3 months (cheahjs); per docs, "For Jamba models, the maximum allowed value is 4096 tokens" of output.
jamba-mini	chat, tool_calling	?	trial	Credits: $10 for 3 months (cheahjs); per docs, "For Jamba models, the maximum allowed value is 4096 tokens" of output.