Claude Opus 4.5

Name: Claude Opus 4.5
Price: 5 USD
Author: Anthropic

Anthropic·US·Released 2025-11-24

ClosedReasoningCodeReasoningTool useVision

Anthropic's flagship Claude model, released November 2025, accepts text, image, and PDF input with a 200K-token context window. It targets deep reasoning, coding, and long-horizon agent tasks, priced at $5/$25 per 1M tokens for input/output.

200Kcontext

$5 / $25per 1M tokens (in / out)

—parameters

12stories in our feed

Specs

hover a value to see its source

Context window200K

Max output64K

Parameters—

Knowledge cutoff2025-05

LicenceProprietary

Commercial useAPI only

InputText · Image · PDF

OutputText

Familyclaude-opus

API price

USD per 1M tokens

Input$5

Output$25

Cached input$0.5

No price change recorded since we started tracking.

News timeline

from the AITOP feed, one story per eventAll 12 →

2026-11-04

NVIDIA 论文：频繁压缩历史的智能体几乎不损失准确率rohanpaul_ai

NVIDIA Paper Shows Aggressive Context Compaction Matches Full-History Agentselvis

2026-10-24

battledrones v14 发布四人对战地图 Compass RoseSimon Willison’s Weblog

2026-10-15

GPT-6 Astra 与 Claude Opus 5.5 被称带来创意工作质变Justine Moore

2026-10-14

小模型真的构成威胁吗？DavidSacks

2026-10-06

Claude Opus 4.5 的 10 个创意生产案例：游戏、3D 世界、视频和广告AI Will

2026-10-04

基准指数难衡量 AI 真实质变：ECI 分数涨 5 分不等于能力跃迁Teortaxes

2026-09-28

Simon Willison 主题演讲：2026 上半年 LLM 关键事件时间线shao__meng

2026-09-23

Elon Musk 称 Opus 5.5 写作更自然elvis

2026-09-04

斯坦福推出新版AI原生工程课程Milvus