Is Claude Opus 4.6 free?

Claude Opus 4.6 offers freemium access via claude.ai for limited interactions. For API access, it follows a usage-based model, priced at $5.00 per 1 million input tokens and $25.00 per 1 million output tokens. Additional costs may apply when accessed through cloud platforms like AWS Bedrock, Google Vertex AI, or Microsoft Foundry.

What are the main features of Claude Opus 4.6?

Key features of Claude Opus 4.6 include a 1 million token context window (Beta), Adaptive Thinking for dynamic reasoning, support for Parallel Agent Teams, 128K output token generation, a Compaction API (Beta), and Mid-Turn Steering. It also boasts high compliance standards, including HIPAA-ready configuration and ISO 27001:2022, ISO/IEC 42001:2023, and SOC 2 Type I & Type II certifications.

How does Claude Opus 4.6 compare to alternatives?

Claude Opus 4.6 competes with models like OpenAI GPT-4o, Google Gemini 1.5 Pro, and Mistral Large. While offering similar advanced reasoning, Opus 4.6 distinguishes itself with its 1 million token context window and strong agentic capabilities. GPT-4o offers integrated real-time multimodal processing and generally lower API costs. Gemini 1.5 Pro also features a 1 million token context window (experimentally 2 million). Mistral Large provides strong reasoning and multilingual support at a significantly lower API price point.

AI Tool

Claude Opus 4.6 Review

Claude Opus 4.6 is Anthropic's most capable model for advanced coding, AI agents, and enterprise workflows, featuring a 1 million token context window.

shipped Feb 7, 2026aifreemium

aicodeimage-generation

Why it matters

1Released on February 5, 2026, as Anthropic's most advanced large language model.

2Features a 1 million token context window (Beta), capable of processing approximately 750,000 words.

3Achieved a 90.2% score on the BigLaw Bench for legal reasoning tasks.

4Compliant with ISO 27001:2022, ISO/IEC 42001:2023, and SOC 2 Type I & Type II standards, with HIPAA-ready configuration.

Stork’s verdict on Claude Opus 4.6

Claude Opus 4.6 provides a 1M token context window for deep analysis, but post-launch regressions impacted complex agentic coding instruction following.

About Claude Opus 4.6

Headquarters

london

overview

What is Claude Opus 4.6?

Claude Opus 4.6 is a large language model (LLM) tool developed by Anthropic that enables senior engineers, AI developers, and enterprise professionals to perform advanced coding, orchestrate AI agents, and streamline enterprise workflows. It features a 1 million token context window and excels at deep reasoning and multi-step tasks, aiming to serve as an autonomous collaborator across various professional workflows.

features

Key Features of Claude Opus 4.6

Claude Opus 4.6 incorporates several advanced features designed to enhance its capabilities in complex reasoning, long-context comprehension, and agentic task orchestration. These features contribute to its performance across coding, analysis, and enterprise applications.

1 Million Token Context Window (Beta): Processes approximately 750,000 words or over 1,500 pages of text in a single session.
Adaptive Thinking: Dynamically adjusts reasoning depth based on task complexity, optimizing for speed and quality.
Parallel Agent Teams: Enables multiple AI agents to work simultaneously on different aspects of a project.
128K Output Token Support: Generates significantly larger responses, capable of producing entire documents.
Compaction API (Beta): Summarizes its own context, facilitating longer-running tasks and persistent agent conversations.
Mid-Turn Steering: Allows users to change the direction of a conversation while the model is still processing.
HIPAA-ready configuration: Available with a Business Associate Agreement (BAA) for healthcare compliance.
ISO 27001:2022, ISO/IEC 42001:2023, and SOC 2 Type I & Type II compliance: Adheres to international security and privacy standards.

use cases

Who Should Use Claude Opus 4.6?

Claude Opus 4.6 is engineered for professionals requiring advanced AI capabilities for complex, high-stakes tasks across various industries. Its design prioritizes deep reasoning, extensive context handling, and autonomous workflow execution.

Senior engineers and AI developers: For advanced coding, code review, debugging, refactoring multi-file projects, and orchestrating complex agentic workflows.
Enterprise professionals: For deep research and analysis of extensive documents (e.g., quarterly filings, legal documents), financial analysis, and office automation (generating documents, spreadsheets, presentations).
Legal professionals: For legal review and reasoning, demonstrated by its 90.2% score on the BigLaw Bench.
Cybersecurity investigators: For cybersecurity investigations, where it produced the best results in 38 out of 40 blind rankings against previous Claude models.

how to use

How to Use Claude Opus 4.6

Claude Opus 4.6 can be accessed through Anthropic's web interface, its API, or via major cloud platforms, allowing for flexible integration into various workflows.

1Access Claude Opus 4.6 directly via claude.ai for interactive conversations and tasks.
2Integrate the model into custom applications and services using Anthropic's API.
3Deploy and manage Claude Opus 4.6 through cloud platforms such as AWS Bedrock, Google Vertex AI, and Microsoft Foundry.
4Utilize Model Context Protocol (MCP) connectors for direct interaction with applications like Microsoft Excel and PowerPoint.
5Leverage the 1 Million Token Context Window by providing extensive documents or codebases for comprehensive analysis.
6Employ Adaptive Thinking by allowing the model to dynamically adjust its reasoning depth based on the complexity of the prompt.

pricing

Claude Opus 4.6 Pricing & Plans

Claude Opus 4.6 operates on a freemium model for direct web access and a usage-based pricing structure for API access, with costs varying by token volume. Availability on cloud platforms may incur additional platform-specific charges.

Freemium access: Available via claude.ai, offering a limited number of interactions.
API Access (Input Tokens): $5.00 per 1 million input tokens.
API Access (Output Tokens): $25.00 per 1 million output tokens.
Cloud Platform Availability: Pricing for Claude Opus 4.6 on AWS Bedrock, Google Vertex AI, and Microsoft Foundry is determined by each platform's specific service agreements and usage tiers.

Pros

+1 Million Token Context Window (Beta) for processing extensive documents and codebases.
+Industry-leading performance in agentic coding, computer use, and tool use, often by a wide margin.
+High compliance standards, including HIPAA-ready configuration and ISO 27001:2022, ISO/IEC 42001:2023, SOC 2 Type I & Type II certifications.
+Advanced reasoning capabilities, demonstrated by a 90.2% score on the BigLaw Bench for legal reasoning.
+Adaptive Thinking feature dynamically adjusts reasoning depth, optimizing for both speed and quality.
+Supports Parallel Agent Teams for orchestrating complex, multi-step workflows collaboratively.

Cons

−Higher API pricing ($5.00/1M input, $25.00/1M output) compared to some competitors like OpenAI GPT-4o and Mistral Large.
−Experienced post-launch regressions in instruction following for complex agentic coding tasks, leading to developer complaints.
−Some users reported a 'detachment' or 'cautious' personality and a tendency to 'overthink' simple tasks.
−Criticism regarding a 'social pleasing' bias, potentially prioritizing desired answers over objective truth in certain scenarios.
−The 'eu ai act category' status is pending, indicating ongoing regulatory alignment.

Similar Tools

Claude Opus 4.6 vs Competitors

Claude Opus 4.6 is positioned as a frontier-tier model, excelling in complex cognitive workloads where reasoning depth and extensive context handling are critical. It competes directly with other leading large language models in the market.

OpenAI GPT-4oOn Stork Compare

GPT-4o is natively multimodal, processing text, audio, image, and video inputs and outputs through a single neural network for real-time, human-like interactions.

While offering similar advanced reasoning and coding capabilities, GPT-4o distinguishes itself with its integrated real-time multimodal processing from a single model. Its API pricing is $2.50/1M input tokens and $10.00/1M output tokens, making it generally more cost-effective than Claude Opus 4.6's API ($5.00/$25.00 per 1M tokens).

Google Gemini 1.5 Pro↗

Gemini 1.5 Pro features an exceptionally long context window, up to 1 million tokens (and experimentally up to 2 million), allowing it to process vast amounts of information.

Gemini 1.5 Pro competes directly in advanced reasoning, coding, and multimodal understanding, but its standout feature is its significantly larger context window compared to Claude Opus 4.6's 1M token context window. It is available via a Gemini Advanced subscription ($19.99/month) or API, with API pricing at $7 per 1M input tokens and $21 per 1M output tokens.

Mistral Large (Mistral AI)On Stork Compare

Mistral Large is known for its strong reasoning, native multilingual capabilities, and efficient performance, often at a competitive price point, with a focus on enterprise applications.

Mistral Large offers robust reasoning, coding, and multilingual support, positioning it as a strong alternative to Claude Opus 4.6, particularly for European enterprises. Its API pricing for Mistral Large 3 is $0.50/1M input tokens and $1.50/1M output tokens, which is significantly more cost-effective than Claude Opus 4.6.

Visit Claude Opus 4.6↗

AI Reputation Report

Is Claude Opus 4.6 yours?

ChatGPT, Perplexity, Gemini, Claude & Grok answer buyer questions about Claude Opus 4.6 every day. See whether they name Claude Opus 4.6 — or send buyers to a rival.

See what AI saysfree preview