MODEL LINEAGE
中文
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
First public date
2023-07-11
Organization
Anthropic
Family
Claude
01

Specifications

Only published specifications are shown.

Context
100,000 tokens
Input modalities
Text
Open weights
No
Status
Legacy
02

Overview

Release dates

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

Why it mattered

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

03

Specifications alongside predecessor

Compared with Claude 1 ↗

PreviousClaude 1— · — ctx
CurrentClaude 2— · 100K ctx
04

Architecture & capabilities

Model 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.

PredecessorClaude 1View details →SuccessorClaude 3 OpusView details →SuccessorClaude 3 SonnetView details →SuccessorClaude 2.1View details →
07

Sources

01
Claude 2Anthropic · Published 2023-07-11
Official · Verified
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