Claude Opus 4.5

Name: Claude Opus 4.5
Author: Anthropic

proprietary

Intelligence

Reasoning

Speed

Context

200K

Max output

64K

Input price

$5/1M tokens

Output price

$25/1M tokens

Snapshotsclaude-opus-4-5-20251101

Capabilities

Show unsupported (2)

Reasoning & Interaction

Reasoning

Tool Calling

Output Control

Structured Output

JSON Mode

Infrastructure

Streaming

Batch Processing

Details

Model IDclaude-opus-4-5

ProviderAnthropic

Creatoranthropic

Familyclaude-opus

Licenseproprietary

Statusactive

Typechat

Input modalitiestext, image

Output modalitiestext

Open weightNo

Parameters—

Architecture—

Context window200K tokens

Max input—

Max output64K tokens

Reasoning tokens—

Thinking modesExtended

Knowledge cutoff2025-05

Training data cutoff2025-08

Release date2025-11-24

Retirement date2026-11-24

Priority tierYes

AWS Bedrock IDanthropic.claude-opus-4-5-20251101-v1:0

GCP Vertex IDclaude-opus-4-5@20251101

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

$25

Cache write (5m)

$6.25

Cache write (1h)

$10

Cache read

$0.5

Batch in

$2.5

Batch out

$12.5

Family Comparison: claude-opus

Model	Caps	Perf	Speed	Context	Max out	Pricing
Claude Opus 5.5	RTJJMSB			1M	128K	$4$20
Claude Opus 4.5	RTJJMSB			200K	64K	$5$25
Claude Opus 4.6	RTJJMSB			1M	128K	$5$25
Claude Opus 4.7	RTJJMSB			1M	128K	$5$25
Claude Opus 4.8	RTJJMSB			1M	128K	$5$25
Claude Opus 5	RTJJMSB		—	1M	128K	$5$25
Claude Opus 3	TSB	—	—	—	—	$15$75
Claude Opus 4	RTJJMSB			200K	32K	$15$75
Claude Opus 4.1	RTJJMSB			200K	32K	$15$75

API

GET/v1/models/anthropic/claude-opus-4-5