Model index
Anthropic·Claude

Claude Opus 4.6

Brought a 1M context beta to Opus with stronger long-running agents, code review, and adaptive thinking.

LegacyReasoningCodingAgentMultimodalWeights not released
MODEL NUMBER077
First public date
2026-02-05
Organization
Anthropic
Family
Claude
01

Specifications

Only published specifications are shown.

Context
1,000,000 tokens↗
Maximum output
131,072 tokens↗
Input modalities
Text · Image
Open weights
No
Status
Legacy
02

Overview

Release dates

— Claude Opus 4.6 launched. ↗

03

Specifications alongside predecessor

Compared with Claude Opus 4.5 ↗

PreviousClaude Opus 4.5— · 200K ctx
CurrentClaude Opus 4.6— · 1M ctx
04

Architecture & capabilities

Model capabilities

Adaptive reasoningLong-horizon agentCoding

Product features

Agent teams
05

Release history

General release

Claude Opus 4.6 launched.

View source
06

Related models

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07

Sources

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