Model index
Anthropic·Claude

Claude 2.1

Expanded context to 200K, improved long-document understanding, and introduced system prompts and beta tool use.

LegacyLanguageWeights not released
MODEL NUMBER291
First public date
2023-11-21
Organization
Anthropic
Family
Claude
01

Specifications

Only published specifications are shown.

Context
200K
Input modalities
Text
Output modalities
Text
Open weights
No
Status
Legacy
02

Overview

Overview

Expanded context to 200K, improved long-document understanding, and introduced system prompts and beta tool use.

03

Changes from predecessor

Compared with Claude 2

PreviousClaude 2 · 100K ctx
CurrentClaude 2.1 · 200K ctx
New capabilities Tool use
04

Architecture & capabilities

Model capabilities

Long contextTool use
05

Release history

06

Related models

Select a card to view the related model.

07

Sources