Claude Sonnet 5

Name: Claude Sonnet 5
Author: Anthropic

proprietary

The best combination of speed and intelligence

Intelligence

Reasoning

Speed

Context

Max output

128K

Input price

$2/1M tokens

Output price

$10/1M tokens

Capabilities

Show unsupported (2)

Reasoning & Interaction

Reasoning

Tool Calling

Output Control

Structured Output

JSON Mode

Infrastructure

Streaming

Batch Processing

Details

Model IDclaude-sonnet-5

ProviderAnthropic

Creatoranthropic

Familyclaude-sonnet

Licenseproprietary

Statusactive

Typechat

Input modalitiestext, image

Output modalitiestext

Open weightNo

Parameters—

Architecture—

Context window1M tokens

Max input—

Max output128K tokens

Max output (batch)300K tokens

Reasoning tokens—

Thinking modesAdaptive

Knowledge cutoff2026-01

Training data cutoff2026-01

Release date2026-06-30

Retirement date2027-06-30

Priority tierYes

AWS Bedrock IDanthropic.claude-sonnet-5

GCP Vertex IDclaude-sonnet-5

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Computer Usecomputer_use

Control a virtual desktop

MCPmcp

Connect to Model Context Protocol servers

Endpoints

MessagesPOST

Create messages with multi-turn conversationshttps://api.anthropic.com/v1/messages

Pricing

Input

Output

$10

Cache write (5m)

$2.5

Cache write (1h)

Cache read

$0.2

Batch in

Batch out

Family Comparison: claude-sonnet

Model	Caps	Perf	Speed	Context	Max out	Pricing
Claude Sonnet 5.5	RTJJMSB			1M	128K	$2$10
Claude Sonnet 5	RTJJMSB			1M	128K	$2$10
Claude Sonnet 3.7	TSB	—	—	—	—	$3$15
Claude Sonnet 4	RTJJMSB			200K	64K	$3$15
Claude Sonnet 4.5	RTJJMSB			200K	64K	$3$15
Claude Sonnet 4.6	RTJJMSB			1M	128K	$3$15

API

GET/v1/models/anthropic/claude-sonnet-5