FlagshipAnthropic

Claude 3 Opus

Claude 3 Opus is Anthropic's flagship multimodal AI model with text and image capabilities, featuring a 200K token context window for complex reasoning tasks.

Context 200K
Tier Flagship
Knowledge Aug 2023
Tools Supported
Modalities text, image
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No pricing data available for this model at the moment.

Prices updated daily. Last check: 4/14/2026

Model Details

General

Creator
Anthropic
Family
Opus
Tier
Flagship
Context Window
200K
Knowledge Cutoff
Aug 2023
Modalities
Text, Image

Capabilities

Tool Calling
Yes
Open Source
No
Subtypes
Chat Completion, Code Generation

Strengths & Limitations

  • 200,000 token context window supports processing of lengthy documents and codebases
  • Multimodal capabilities with both text and image input support
  • Tool calling functionality enables integration with external APIs and services
  • Strong performance on complex reasoning and analytical tasks
  • Code generation capabilities across multiple programming languages
  • Chat completion interface suitable for conversational applications
  • Developed by Anthropic with focus on AI safety and alignment
  • Proprietary model with no open-source weights available
  • Knowledge cutoff from August 2023 is older than some competing models
  • No video or audio input capabilities beyond static images
  • Superseded by newer Claude Opus 4.6 as Anthropic's current flagship
  • Higher computational requirements due to flagship-tier model size

Key Features

•200K token context window
•Text and image input processing
•Tool calling with external API integration
•Chat completion interface
•Code generation and analysis
•Streaming response support
•Structured output generation
•Multi-turn conversation handling

About Claude 3 Opus

Claude 3 Opus is Anthropic's flagship model in the Claude 3 series, representing the most capable tier in the family for handling complex reasoning, analysis, and multimodal tasks. As a proprietary model developed by Anthropic, it sits at the top of their model hierarchy and competes with other flagship offerings in the market. The model supports both text and image inputs with a 200,000 token context window, enabling it to process lengthy documents, codebases, and visual content. Claude 3 Opus includes tool calling capabilities and is designed for tasks requiring sophisticated reasoning, code generation, and chat completion. Its knowledge cutoff date is August 2023, and it can handle multimodal workflows that combine text analysis with image understanding. Claude 3 Opus is commonly deployed for complex analytical work, advanced coding assistance, research tasks, and applications requiring nuanced understanding of both textual and visual information. While newer models like Claude Opus 4.6 have since been released in Anthropic's lineup, Claude 3 Opus remains a capable option for organizations seeking robust multimodal AI capabilities.

Common Use Cases

Claude 3 Opus is well-suited for organizations requiring sophisticated AI capabilities for complex analytical work, advanced software development assistance, and multimodal document processing. Its large context window makes it effective for analyzing lengthy research papers, legal documents, or codebases, while its image understanding capabilities enable workflows involving visual content analysis, diagram interpretation, and document OCR tasks. The model's tool calling features support agentic applications and workflow automation, making it appropriate for building AI assistants that need to interact with external systems and APIs.

Frequently Asked Questions

How much does Claude 3 Opus cost per million tokens?

Claude 3 Opus pricing varies by provider and may include different rates for input versus output tokens. Check the pricing table above for current rates across all available providers offering Claude 3 Opus access.

What is Claude 3 Opus best used for?

Claude 3 Opus excels at complex reasoning tasks, multimodal analysis combining text and images, advanced code generation, and processing lengthy documents with its 200K context window. It's particularly effective for research analysis, sophisticated coding assistance, and applications requiring tool calling capabilities.

How does Claude 3 Opus compare to Claude Opus 4.6?

Claude 3 Opus is an earlier generation model in Anthropic's lineup, while Claude Opus 4.6 represents their current flagship offering. Both share the Opus tier designation and 200K context windows, but Claude Opus 4.6 incorporates newer training techniques and updated knowledge. Organizations should consider Claude 3 Opus for cost-conscious deployments where the latest capabilities aren't essential.