Jamba 1.5 Large

Name: Jamba 1.5 Large
Author: Amazon Bedrock

Context

256K

Max output

Capabilities

Show unsupported (7)

Infrastructure

Streaming

Model IDai21.jamba-1-5-large-v1:0

CreatorAI21

Family—

License—

Status—

Typechat

Input modalitiestext

Output modalitiestext

Open weight—

Parameters—

Architecture—

Context window256K tokens

Max input—

Max output4K tokens

Reasoning tokens—

Knowledge cutoff—

Release date2024-08-22

Sourceofficial

GET/v1/models/amazon/ai21.jamba-1-5-large-v1:0

ai21.jamba-1-5-large-v1:0

Changes · 4 entries

ai21.jamba-1-5-large-v1:0updateca7a400Nov 2, 2026, 03:02 AM

release_date2024-08-22

context_window256000

max_output_tokens4000

page_urlhttps://docs.aws.amazon.com/bedrock/latest/userguide/mode...

ai21.jamba-1-5-large-v1:0update80c574aJun 3, 2026, 07:05 AM

release_date2024-08-22

context_window256000

max_output_tokens4000

page_urlhttps://docs.aws.amazon.com/bedrock/latest/userguide/mode...

ai21.jamba-1-5-large-v1:0update7a4f1f6Mar 22, 2026, 05:43 AM

model_typechat

ai21.jamba-1-5-large-v1:0create7f5c66fMar 21, 2026, 05:16 AM