Anthropic

Claude Opus 5.5

Claude model for long-running agentic coding and knowledge work

Intelligence
57.6
AA Index
Output price
$20/1M
In $4/1M
Context
1000k
tokens
Speed
0
tokens/sec

Performance

Capability profile

Artificial Analysis indices (0–100). Missing dimensions show as 0.

Benchmarks

SciCode67%
Humanity's Last Exam61%

Specifications

Provider
Anthropic
Family
claude-opus
Released
2026-09-22
Knowledge cutoff
2026-06
Context window
1,000,000 tokens
Max output
128,000 tokens
Input price
$4/1M
Output price
$20/1M
Cache read
$0.2/1M
Input modalities
text
image
pdf
Output modalities
text
Capabilities
Reasoning · Tool calling · Structured output · File attachments

Specs from models.dev · benchmarks from Artificial Analysis.

AI tools built on Anthropic

Explore directory tools powered by Anthropic models.

WTAgent logo
WTAgent
Code Generation

Turn ChatGPT web into Codex and Claude web into Claude Code. Open-source local coding agent CLI - no model API key required.

CoAnimator logo
CoAnimator
Video Generation

CoAnimator is the agentic AI animation studio that empowers creators and product owners to produce professional videos in minutes, not weeks. Leveraging AI agents like Claude Code, Codex, or Antigravity, it builds and edits product demos, launch videos, tutorials, and motion graphics scene by scene. Everything renders locally on your machine with unlimited exports and no credits, ever. Describe your vision in plain language, and watch your video come to life, fully editable and on-brand, making complex video production accessible to everyone.

Recall logo
Recall
Productivity

Recall is your personal AI knowledge base that lets you save, summarize, organize, and chat with articles, videos, podcasts, PDFs, and notes. Leverage ChatGPT, Claude, or Gemini to get instant answers from your own knowledge or the open web. Beyond just information retrieval, Recall actively enhances long-term memory with active recall and spaced repetition quizzes, optimizing your retention and turning your forgetting curve into a learning curve. Build an AI that truly knows what you know and elevate your learning and productivity.

EaseMate AI: All-In-One AI Assistant for Study, Work, and Creativity logo

EaseMate AI is your comprehensive, all-in-one AI assistant, integrating cutting-edge models like GPT, Gemini, and Claude to empower users in study, work, and creativity. From instant answers and advanced research tools to stunning AI image and video generation, writing assistance, and document analysis, EaseMate AI streamlines diverse tasks. Enhance your productivity, simplify learning, and unlock boundless creative potential with a single, powerful platform designed to make every digital endeavor easier and more efficient.

ElevenLabs MCP Server logo
ElevenLabs MCP Server
Audio Generation

The official bridge connecting ElevenLabs' world-class AI audio technology to any Model Context Protocol (MCP) host, enabling AI assistants to generate high-quality speech and sound effects seamlessly.

Genkit logo
Genkit
Productivity

Genkit is Google's open-source framework designed to help developers build, deploy, and scale production-ready AI applications. Whether you are working in TypeScript, Go, or Python, Genkit provides a unified interface to integrate leading LLMs like Gemini, OpenAI, and Anthropic. It simplifies complex tasks like structured data extraction, tool calling, and building autonomous agents, ensuring your AI features are robust and ready for real-world traffic.