Claude Sonnet 5.5 is Anthropic’s second model in the Claude 5.5 family, designed as a faster, more cost-efficient upgrade to Sonnet 5. It delivers 30%+ faster output with up to 30% lower cost per task, while supporting coding, AI agents, knowledge work, visual understanding, and everyday AI tasks.

GPT 6.1 Sol is an OpenAI GPT-6 model positioned between GPT-6 Astra and GPT-6 Luna. It combines near-Astra capabilities with lower API costs, supporting agentic coding, computer use, professional workflows, and a 1,050,000-token context window.

Claude Opus 5.5 is Anthropic's first model in the Claude 5.5 family, delivering frontier-level performance in agentic coding, computer use, and knowledge work. With faster output, clearer communication, and significantly improved computational efficiency, it brings advanced intelligence to demanding, multi-step tasks.

Kimi K3 is Moonshot AI’s advanced model built for coding, complex reasoning, long-horizon agentic tasks, and multimodal understanding. With a 1M-token context window, it can work across large codebases, long documents, images, and complex workflows while maintaining extensive context.

DeepSeek-V4.1-Flash is a multimodal model designed for faster inference, higher throughput, and stronger performance across reasoning, coding, visual understanding, and agentic tasks. Its architecture improves efficiency while preserving the capabilities needed for complex, multi-step workloads.

GPT-6 Sol and GPT-6 Luna build on OpenAI's flagship Astra, bringing its advances into faster, more affordable models. Sol delivers advanced capabilities for demanding professional work and coding, while Luna combines strong performance with greater speed and cost efficiency for applications at scale.

Grok 4.7 is SpaceXAI’s advanced AI model for coding, reasoning, long-horizon tasks, and professional knowledge work. It features stronger self-verification, improved long-context management, and a 500K context window, making it suitable for AI agents, developer tools, research, and complex workflows.

GPT-6 Astra is an advanced AI model from OpenAI designed for complex tasks and multi-step workflows. It combines strong reasoning with computer use, coding, research, and professional work, helping users solve complex problems and complete practical tasks across browsers, software, and other tools.

Gemini 3.8 Flash is a Google AI model built for advanced coding, agentic workflows, and complex multi-step reasoning. It offers strong software engineering, tool use, and specialized reasoning capabilities while maintaining the speed and cost efficiency of the Flash family.

Claude Fable 5.1 is Anthropic's flagship AI model built for complex, multi-step coding, advanced reasoning, scientific research, and knowledge-intensive work. It delivers stronger performance and greater cost efficiency than Fable 5, with particular improvements in long-running agentic workflows and demanding problem-solving tasks.

Gemini 3.7 Flash is Google’s intelligent, cost-efficient AI model built for coding, AI agents, web development, and complex workflows. It delivers stronger reasoning, reliable tool use, and improved instruction following for production-ready AI applications.

Grok 4.6 is xAI’s latest frontier AI model, designed to enhance long-running agents, advanced reasoning, coding intelligence, and interactive AI experiences. Building on Grok 4.5, it delivers improved performance for complex multi-step tasks, knowledge work, software engineering, and creative applications.

Claude Opus 5 is Anthropic’s thoughtful and proactive model, bringing near-Fable 5 intelligence to end-to-end coding, complex reasoning, visual analysis, and long-horizon enterprise work.

Gemini 3.6 Flash is Google’s efficient AI model built for coding, knowledge work, agentic applications, and multimodal understanding, delivering stronger performance with improved token efficiency.

GPT-5.6 unites Sol, Terra, and Luna in a three-tier family built for frontier intelligence, efficient everyday work, and fast high-volume execution across technical and professional tasks.

Grok 4.5 is xAI’s latest frontier AI model built for coding, agentic tasks, and knowledge work. It delivers strong software engineering capabilities, advanced reasoning, fast inference, and efficient performance for complex real-world AI applications.

The Claude Sonnet 5 API is an agentic, multimodal interface delivering near-Opus performance with native computer use and self-verification capabilities. It features granular "Effort Levels," allowing engineering teams to precisely balance API deployment costs against task reasoning complexity.

Claude Fable 5 is Anthropic’s Mythos-class model for advanced general use, built for long-running coding, complex knowledge work, vision reasoning, and multi-step tasks that require stronger planning and verification.

Claude Opus 4.8 delivers a major upgrade in complex reasoning, agentic coding, and professional knowledge work. With improved honesty, stronger long-horizon task execution, and a 1-million-token context window on supported platforms, it is built as Anthropic’s most capable generally available model for high-autonomy workflows and demanding enterprise use cases.

Gemini 3.5 Flash is Google’s high-efficiency multimodal model, combining Flash-level speed with stronger coding, reasoning, and agentic execution for complex AI workflows that need both capability and efficiency.