Anthropic · Claude 4

Claude Opus 4.7

Anthropic's heavyweight for hard reasoning and agentic work.

Claude Opus 4.7, part of Anthropic's Claude 4 series released in 2023, is a large multimodal model capable of processing both text and image inputs. It is built for advanced natural language understanding, generative tasks, and multimodal reasoning, with a 1,000,000-token context window enabling efficient handling of long documents and complex workflows.

Distinguishing features include its multimodal capabilities, refined alignment for nuanced comprehension, and robust usability across interactive and technical applications. These qualities make it a flagship offering in Anthropic's lineup, ideal for demanding developer and enterprise use cases.

As a flagship model within the Claude 4 series, Claude Opus 4.7 represents an enhancement over its predecessors through improved multimodal functionality, extended context processing, and alignment for high-performance workflows designed for developers and enterprises.

Background

Claude is a series of large language models developed by Anthropic and first released in 2023. Since Claude 3, each generation has typically been released in three sizes, from least to most capable: Haiku, Sonnet, and Opus. An additional model named Claude Mythos was released to some companies in 2026 but not to the public.

Wikipedia

Specs

Context window: 1M tokens
Max output: 128K tokens
Input ($/1M tokens): $5.00
Output ($/1M tokens): $25.00
Modalities: Text · Image
Weights: Closed

Pricing last synced Apr 27, 2026 via OpenRouter. Confirm against official docs before committing.

Capabilities

Tool use
Vision
Extended thinking
Prompt caching
Open weights

What it excels at

Multimodal capabilities
Supports text and image inputs, enabling versatile use in technical and creative tasks.
Extended context handling
Processes up to 1,000,000 tokens effectively, ideal for analyzing lengthy or intricate materials.
Advanced reasoning
Excels at multi-step problem solving and nuanced comprehension across text and images.
Collaborative alignment
Optimized for interactive workflows, adapting to iterative input and feedback.

When to use this model

→Analyzing lengthy datasets — The 1,000,000-token context window enables seamless processing of extensive texts and documents.
→Codebase review and debugging — Advanced reasoning helps identify issues or provide insights on large, complex codebases.
→Technical document comprehension — Processes combined text and image data for effective interpretation of schematics or manuals.
→Collaborative editing — Designed for iterative content creation through adaptive interactions.
→Data synthesis across formats — Combines multimodal and long-context capabilities to integrate and analyze diverse data.

Analysis synthesized from gpt-4o, llama-4-maverick, phi-4, etc.

Recent coverage

What people are saying

Claude Opus 4.7

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Claude Opus 4.7 Model Card

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Claude Code Opus 4.7 keeps checking on malware

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API model id

claude-opus-4-7

Vendor docs: docs.anthropic.com

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