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Claude Opus 5.5 is Anthropic's new-generation flagship model released in September 2026, officially positioned for "long-running agentic coding and knowledge work." It is the first model in the Claude 5.5 family, and it performs strongly across professional evaluations. Improved communication is a key focus of this upgrade. Anthropic says Opus 5.5's output is "more like a good colleague" — leading with information, reducing jargon, and following the writing rules users provide more strictly. Customer feedback supports this: one tester said design specification documents were nearly usable without modification, and the model's rewritten prompts were even preferred over the original author's own version. On safety, Anthropic says Opus 5.5 achieved its best results to date in automated behavior audits, covering nearly 2,000 simulated scenarios, with improvements in both resisting prompt injection and reducing hard-boundary breaches.

A multimodal reasoning model from OpenAI that accepts text and images, designed for efficient visual reasoning, precise computer use, and professional workflow automation. It supports a 1,050,000-token context window and up to 128,000 output tokens. The model can interpret screen content and technical drawings, interact with desktop applications, and complete multi-step tasks across apps using tools. Compared with GPT-5.6 Terra, it improves visual reasoning, agentic task execution, coding, and factual accuracy, while reducing standard API prices by 50% for a more efficient balance of capability, speed, and cost.

Native multimodal reasoning model, Google's flagship Gemini 4 model designed for complex software engineering, deep research, and enterprise-grade agent workflows. It supports text, image, video, audio, and PDF inputs with text output, featuring a 1M-token unified context window, long decoding capability, and adjustable thinking levels. Compared with the Gemini 3 generation, it delivers stronger complex coding, multi-step reasoning, scientific problem solving, visual understanding, and autonomous agent execution, with support for code execution, Computer Use, Function Calling, Search Grounding, and other tools. It is built for long-running, high-complexity professional workflows. Core Capabilities: Deep Reasoning · Agent Execution · Software Engineering · Multimodal Understanding · Tool Use Use Cases: Software Development · Scientific Research · Financial Analysis · Legal Work · Enterprise Agents

Image generation and editing model, the high-quality variant of OpenAI's GPT Image 2.5 family, optimized for detailed creative work, precise editing, and professional visual workflows. It improves image detail, natural lighting, textures, reference-image fidelity, and consistency across iterative edits, making it well suited for advertising, product visuals, brand design, and precision image editing.