Ai21 LLM API pricing

Every model Ai21 serves, with its pricing per 1M tokens and the exact model ID to copy. Sorted cheapest input first, with models Ai21 lists no paid price for at the end. Listed prices from LiteLLM, OpenRouter and Vercel.

Models served

12

on this provider

Cheapest input

$0.20

per 1M tokens

Cheapest output

$0.40

per 1M tokens

Max context

256K

tokens

On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Model ID
Jamba 1.5AI21256K$0.20$0.40jamba-1.5
Jamba 1.5 MiniAI21256K$0.20$0.40jamba-1.5-mini
Jamba 1.5 Mini 001AI21256K$0.20$0.40jamba-1.5-mini@001
Jamba Mini 1.6AI21256K$0.20$0.40jamba-mini-1.6
Jamba Mini 1.7AI21256K$0.20$0.40jamba-mini-1.7
Jamba 1.5 LargeAI21256K$2.00$8.00jamba-1.5-large
Jamba 1.5 Large 001AI21256K$2.00$8.00jamba-1.5-large@001
Jamba Large 1.6AI21256K$2.00$8.00jamba-large-1.6
Jamba Large 1.7AI21256K$2.00$8.00jamba-large-1.7
J2 LightAI218K$3.00$3.00j2-light
J2 MidAI218K$10.00$10.00j2-mid
J2 UltraAI218K$15.00$15.00j2-ultra
Listed prices from LiteLLM, OpenRouter and Vercel · catalogue refreshed Oct 14, 2026

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