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 NUMBER350
First public date
2023-11-21
Organization
Anthropic
Family
Claude
01

Specifications

Only published specifications are shown.

Context
200,000 tokens
Input modalities
Text
Output modalities
Text
Open weights
No
Status
Legacy
02

Overview

Release dates

— Claude 2.1 launched. ↗

03

Specifications alongside predecessor

Compared with Claude 2 ↗

PreviousClaude 2— · 100K ctx
CurrentClaude 2.1— · 200K ctx
04

Architecture & capabilities

Model capabilities

Long contextTool use
05

Release history

06

Related models

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07

Sources

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