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Model details

Claude Opus 4.5

Claude Opus 4.5 is engineered as a frontier model designed to excel in demanding technical environments, particularly in software engineering, agentic automation, and computer use. It is built to handle complex, multi-step tasks that require deep reasoning, making it a powerful tool for professional developers and knowledge workers such as financial analysts and consultants. By prioritizing efficiency and accuracy, the model serves as a robust engine for automating intricate workflows, from managing software codebases to processing large-scale data sets and documents like spreadsheets and slides.

The model represents a significant advancement in Anthropic’s lineage, demonstrating state-of-the-art performance on real-world software engineering benchmarks like SWE-bench Verified. Its design supports sophisticated agentic capabilities, allowing it to function effectively within long-running workflows and integrated enterprise systems. By enabling seamless interaction with desktop environments and external data pipelines, Opus 4.5 is positioned to transform how teams approach data-heavy tasks, offering a scalable solution for organizations looking to integrate advanced reasoning directly into their existing technical infrastructure.

ZenMuxanthropic/claude-opus-4.5

Quick Info

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Provider
ZenMux
Model key
anthropic/claude-opus-4.5
Release date
Nov 24, 2025
Last updated
Nov 24, 2025
Knowledge cutoff
2025-01-01
AI SDK package
@ai-sdk/anthropic
Input modalities
Output modalities
Capabilities

Cost

Input token cost
$5.00
Output token cost
$25.00

Limits

Output tokens
64,000 tokens
Context window
200,000 tokens

Latest news about Claude Opus 4.5

Azure Cognitive Services

CoverageBenchmark

A Vellum analysis of Anthropic's Claude Opus 4.5 system card reports the model scored 80.9% on SWE-bench Verified — surpassing GPT-5.1 and Gemini 3 Pro on real-world GitHub software issue resolution — and 37.6% on ARC-AGI-2, more than doubling GPT 5.1's abstract-reasoning result and beating Gemini 3 Pro by 6%. Vellum a For developers evaluating the exact Claude Opus 4.5 SKU relevant to Azure-hosted deployments, BenchLM's profile (data as of September 4, 2026) records an Anthropic-reported release in November 2025 with a 200K-token context window, $5 input and $25 output per million tokens, throughput of 47 tok/s, and a 1.36-second fi

Videos about Claude Opus 4.5