Model index
Anthropic·Claude

Claude 2

Expanded to a 100K context window and reached broader users through the API and claude.ai.

LegacyLanguageCodingWeights not released
MODEL NUMBER007
Release date
2023-07-11
Organization
Anthropic
Family
Claude
01

Specifications

Only published specifications are shown.

Context
100K
Input modalities
Text
Open weights
No
Status
Legacy
02

Overview

Overview

Expanded to a 100K context window and reached broader users through the API and claude.ai.

Why it mattered

Claude 2 made long-document handling a central product dimension in frontier-model competition.

03

Changes from predecessor

Compared with Claude 1

PreviousClaude 1 · ctx
CurrentClaude 2 · 100K ctx
New capabilities Long context Coding Reasoning
04

Architecture & capabilities

Key capabilities

Long contextCodingReasoning
05

Release history

General release

Claude 2 launched through the API and claude.ai beta.

View source
06

Related models

Select a card to view the related model.

07

Sources