Llama 3.1 405B Instruct

405B
Context
128K
Max output
4K

Capabilities

Infrastructure
Streaming

Details

Model IDmeta.llama3-1-405b-instruct-v1:0
Provider Amazon Bedrock
Creator Meta Llama
Family—
License—
Status—
Typechat
Input modalitiestext
Output modalitiestext
Open weight—
Parameters405B
Architecture—
Context window128K tokens
Max input—
Max output4K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

API

GET/v1/models/amazon/meta.llama3-1-405b-instruct-v1:0

Llama 3.1 405B Instruct

meta.llama3-1-405b-instruct-v1:0
Changes · 5 entries
meta.llama3-1-405b-instruct-v1:0updateca7a400Nov 2, 2026, 03:02 AM
release_date2024-07-23
context_window128000
max_output_tokens4000
page_urlhttps://docs.aws.amazon.com/bedrock/latest/userguide/mode...
meta.llama3-1-405b-instruct-v1:0update80c574aJun 3, 2026, 07:05 AM
release_date2024-07-23
context_window128000
max_output_tokens4000
page_urlhttps://docs.aws.amazon.com/bedrock/latest/userguide/mode...
meta.llama3-1-405b-instruct-v1:0update2b100acMar 23, 2026, 05:30 AM
parameters405
meta.llama3-1-405b-instruct-v1:0update7a4f1f6Mar 22, 2026, 05:43 AM
model_typechat
meta.llama3-1-405b-instruct-v1:0create7f5c66fMar 21, 2026, 05:16 AM