ai21

AI21: Jamba Large 1.7

AI21 Jamba Large 1.7 is designed for handling text inputs within a context length of 256,000 tokens and supports tool integration but lacks advanced reasoning capabilities or structured output options. It excels in processing extensive text data and can be useful when you need to work with large datasets or integrate external tools into your workflow. Given its blended benchmark score of 7.1 across independent evaluations and a price point of $2.0 per million input tokens and $8.0 per million output tokens, AI21 Jamba Large 1.7 is a viable option for those looking to manage sizable text inputs within budget constraints. Its performance stands as a solid choice, especially for projects that require extensive data handling but do not demand complex reasoning or structured outputs.

Quality Score
90/100
price + capability + benchmarks
Input Price
$2.00
per 1M tokens
Output Price
$8.00
per 1M tokens
Context Window
256,000
tokens

Benchmark results

Independent, published benchmarks. Blended score 7.0 across 1 benchmark, last refreshed 2026-07-27. How scoring works →

BenchmarkMeasuresScore
AI Index broad capability composite 8.7
Model ID
ai21/jamba-large-1.7
Vendor
ai21
Released
August 2025
Tokenizer
Other
Input Modalities
text
Output Modalities
text
Max Output
4,096 tokens
Tool Calling
✓ supported
Structured Output
✓ supported
Reasoning Mode
not supported
Vision
text only
Audio
no
Moderated
no

What it costs in practice

Computed from the current $2.00/M input and $8.00/M output rates. Run your own numbers →

JobTokensCost
Summarize a 50-page report 30k in / 1.5k out $0.07
Classify 1,000 customer emails 500k in / 50k out $1.40
A month of a busy support chatbot 5M in / 2M out $26.00

Quick answers

How much does AI21: Jamba Large 1.7 cost?
$2.00 per million input tokens and $8.00 per million output tokens.
What is AI21: Jamba Large 1.7's context window?
256,000 tokens, roughly 384 pages of text in a single request.
Does AI21: Jamba Large 1.7 support tool calling?
It supports tool calling, structured output.
Can AI21: Jamba Large 1.7 process images?
No, it is text-only on the input side.