FlagshipAnthropic

Claude Opus 4.6

Claude Opus 4.6 is Anthropic's flagship model for complex reasoning, coding, and multimodal tasks, with a 200K token context window and vision capabilities.

Context 200K
Tier Flagship
Knowledge May 2025
Tools Supported
Modalities text, image
Input from
$2.50 / 1M tokens
across 4 providers

API Pricing

Cheapest on Anthropic 58% below avg
ProviderInput / 1MOutput / 1MSpeedTTFTUpdated
$2.50$12.5042.6 t/s1.7s4/13/2026
$2.75$13.7542.6 t/s1.7s4/14/2026
$5.00$25.0042.6 t/s1.7s4/13/2026
$5.00$25.0042.6 t/s1.7s4/3/2026
$5.50$27.5042.6 t/s1.7s4/14/2026
$15.00$75.0042.6 t/s1.7s4/14/2026

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

Model Details

General

Creator
Anthropic
Family
Opus
Tier
Flagship
Context Window
200K
Knowledge Cutoff
May 2025
Modalities
Text, Image

Capabilities

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

Strengths & Limitations

  • 200,000 token context window enables processing of large documents and codebases
  • Multimodal capabilities with both text and image input support
  • Tool calling functionality for integration with external APIs and services
  • Knowledge cutoff of May 2025 provides access to recent information
  • Output speed of 51.65 tokens per second for responsive interactions
  • Flagship-tier model designed for complex reasoning and analytical tasks
  • Supports advanced coding and software development workflows
  • Proprietary model with no open-source weights available
  • Time to first token of 12.7 seconds creates noticeable latency
  • Higher computational requirements typical of flagship-tier models
  • No audio input or output modalities supported
  • Limited to text and image inputs compared to some multimodal competitors

Key Features

200K token context window
Vision input (image analysis)
Tool calling with external API integration
Chat completion interface
Code generation and analysis
Multimodal text and image processing
Streaming response support
JSON mode for structured outputs

About Claude Opus 4.6

Claude Opus 4.6 is Anthropic's flagship large language model, representing the most capable tier in the Claude Opus family. As a flagship-tier model, it sits at the top of Anthropic's model hierarchy and competes with other frontier models like GPT-5.4 and Gemini 3.1 Pro released in the same timeframe. The model features a 200,000 token context window and supports both text and image inputs, making it suitable for multimodal workflows. It includes tool calling capabilities and maintains a knowledge cutoff of May 2025, providing access to relatively recent information. Performance benchmarks show an output speed of 51.65 tokens per second with a time to first token of approximately 12.7 seconds. Claude Opus 4.6 is designed for complex reasoning tasks, advanced coding projects, and sophisticated AI agent workflows where maximum capability is prioritized over speed or cost. Organizations typically deploy it for tasks requiring deep analysis, multi-step reasoning, or handling of large documents and codebases within its extended context window.

Common Use Cases

Claude Opus 4.6 is suited for demanding applications requiring maximum reasoning capability and large context processing. This includes complex software development projects, detailed document analysis, research tasks involving multiple sources, and sophisticated AI agent workflows. The extended context window makes it particularly valuable for analyzing entire codebases, processing lengthy research papers, or maintaining context across extended conversations. Organizations use it for tasks like architectural design reviews, comprehensive data analysis, multi-step problem solving, and scenarios where the highest model capability justifies the associated computational costs.

Frequently Asked Questions

How much does Claude Opus 4.6 cost per million tokens?

Claude Opus 4.6 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.

What is Claude Opus 4.6 best used for?

Claude Opus 4.6 excels at complex reasoning tasks, advanced software development, large document analysis, and sophisticated AI agent workflows. Its 200K context window and multimodal capabilities make it particularly suitable for processing extensive codebases, detailed research, and multi-step analytical tasks where maximum model capability is required.

How does Claude Opus 4.6 compare to other flagship models?

Claude Opus 4.6 competes with other flagship models like GPT-5.4 and Gemini 3.1 Pro. It offers a 200K context window, multimodal text and image support, and tool calling capabilities. The model delivers 51.65 tokens per second output speed but has a longer time to first token at 12.7 seconds compared to some alternatives.