MODEL LINEAGE
中文
Model index
Anthropic·Claude

Claude Sonnet 5

A new Sonnet generation with a default 1M context, adaptive thinking, and stronger agent capability closer to Opus.

CurrentReasoningCodingAgentMultimodalWeights not released
MODEL NUMBER081
First public date
2026-06-30
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
Current
02

Overview

Release dates

— Claude Sonnet 5 launched and became the default for Free and Pro. ↗

03

Specifications alongside predecessor

Compared with Claude Sonnet 4.6 ↗

PreviousClaude Sonnet 4.6— · 1M ctx
CurrentClaude Sonnet 5— · 1M ctx
04

Architecture & capabilities

Model capabilities

Adaptive reasoningCodingAgent

Connected tools

Computer use
05

Release history

General release

Claude Sonnet 5 launched and became the default for Free and Pro.

View source
06

Related models

Select a card to view the related model.

PredecessorClaude Sonnet 4.6View details →SuccessorClaude Sonnet 5.5View details →
07

Sources

01
Introducing Claude Sonnet 5Anthropic · Published 2026-06-30
Official · Verified02
Claude model limitsAnthropic · Checked 2026-09-07
Official · Verified
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