Anthropic

Claude Code is Anthropic's agentic coding assistant that works directly in your terminal, IDE (VS Code, JetBrains), web browser, iOS app, and Slack. It reads your codebase, plans and executes multi-file edits, runs tests, and submits pull requests. Uses Claude Opus 4.7, Sonnet 4.6, and Haiku 4.5 models for code understanding and generation.

Claude 2.0 is a large language model from Anthropic, known for its strong reasoning capabilities and ability to handle long contexts (up to 100K tokens). It is a text-only model designed for safe and helpful interactions.

Claude 2.1 is an advanced AI model from Anthropic, known for its strong reasoning capabilities and ability to handle very long contexts. It is designed to be helpful, harmless, and honest, excelling at complex analysis and nuanced instruction following.

Claude 3 Haiku is the fastest and most cost-effective model in the Claude 3 family, designed for high-throughput, low-latency applications. It excels at quick responses and simple tasks while maintaining strong performance in coding, reasoning, and multimodal understanding.

Claude 3 Opus is Anthropic's most powerful model, excelling at complex reasoning, analysis, and creative tasks. It supports multimodal inputs (text and images) and features a very large context window for processing extensive information.

Claude 3 Sonnet is a balanced, mid-tier model in the Claude 3 family, offering strong performance in reasoning, coding, and multilingual tasks. It supports multimodal inputs (text and images) and provides a good balance of speed and capability for most enterprise and developer use cases.

Claude 3.5 Haiku is a fast and cost-effective model from Anthropic's Claude 3.5 family, optimized for low-latency applications. It delivers strong performance for its size, particularly excelling in tasks requiring quick responses and efficient processing.

Claude 3.5 Sonnet (June '24) is a highly capable and balanced model from Anthropic, excelling in complex reasoning, coding, and instruction following. It supports multimodal input, including image understanding, and is designed for a wide range of general-purpose tasks.

Claude 3.5 Sonnet is a balanced model from Anthropic, optimized for strong performance in coding and reasoning tasks while maintaining fast response speeds. It supports a large context window, making it suitable for complex, multi-step workflows.

Claude 3.7 Sonnet (Non-reasoning) is a variant of the Claude 3.7 Sonnet model optimized for speed and cost-efficiency, while retaining strong performance in coding, multimodal understanding, and long-context tasks. It is designed for applications where rapid response and lower latency are prioritized over extended chain-of-thought reasoning.

Claude 3.7 Sonnet (Reasoning) is an enhanced version of the Sonnet model optimized for complex reasoning tasks. It features an extended thinking mode for deeper, step-by-step analysis and excels at handling long-context, multimodal inputs, and coding challenges.

Claude 4 Opus is Anthropic's most capable general-purpose model, designed for complex tasks requiring deep understanding and generation. This non-reasoning variant does not engage extended thinking, focusing on direct, high-quality responses. It excels in coding, analysis, and multimodal tasks.

Claude 4 Opus (Reasoning) is Anthropic's most capable model, optimized for complex reasoning and extended thinking tasks. It excels at multi-step problem solving, analysis, and generating nuanced, well-structured responses for challenging queries.

Claude 4 Sonnet (Non-reasoning) is a variant of the Claude 4 family optimized for general-purpose tasks without extended reasoning chains. It offers a balance of speed, cost-efficiency, and strong language understanding, suitable for high-throughput applications.

This is a mid-tier model from the Claude 4 series, optimized for advanced reasoning and chain-of-thought processing. It balances strong performance in complex problem-solving, code generation, and multimodal understanding with efficient speed and cost.

Claude 4.1 Opus is Anthropic's most capable model, optimized for complex tasks requiring deep understanding, creativity, and nuanced judgment. This non-reasoning variant excels at generating high-quality, coherent text, code, and analysis across a wide range of domains. It supports extended context windows and multimodal inputs, making it suitable for sophisticated content creation and detailed problem-solving.

Claude 4.1 Opus (Reasoning) is a high-performance model from Anthropic's Claude family, specifically optimized for deep reasoning and complex problem-solving tasks. It features an extended thinking mode to tackle multi-step logical challenges and is part of the multimodal Claude series supporting long-context interactions.

Claude 4.5 Haiku is a fast and cost-effective model from Anthropic, optimized for high-throughput tasks. It is designed for quick responses and low latency, making it suitable for applications requiring speed and efficiency over complex reasoning.

Claude 4.5 Haiku (Reasoning) is a fast, lightweight model from Anthropic optimized for complex reasoning tasks. It combines the speed and cost-efficiency of the Haiku series with enhanced logical and analytical capabilities.

This is the non-reasoning variant of Anthropic's Claude 4.5 Sonnet model. It is optimized for high-speed, cost-effective responses while maintaining strong performance in coding, instruction following, and general knowledge tasks. It is suitable for applications requiring quick, high-quality outputs without extended chain-of-thought reasoning.

Claude 4.5 Sonnet (Reasoning) is a model optimized for complex reasoning tasks. It utilizes an extended thinking chain to break down and solve multi-step problems, excelling in analysis, planning, and logical deduction.

Claude Instant is a fast and cost-effective model from Anthropic, designed for quick responses and high-throughput applications. It provides solid reasoning and coding capabilities while maintaining low latency.

A high-capability model from the Claude Opus series, optimized for tasks not requiring explicit reasoning chains. It maintains strong performance in coding, long-context understanding, and multimodal tasks.

Claude Opus 4.5 (Reasoning) is Anthropic's most capable model, optimized for deep reasoning and complex problem-solving. It features an advanced 'thinking' mode that allows for extended chain-of-thought processing to tackle intricate tasks in coding, analysis, and creative work.

Claude Opus 4.6 is Anthropic's flagship model, designed for maximum performance on complex reasoning, coding, and analysis tasks. It features adaptive reasoning capabilities to tackle challenging problems with high accuracy and depth.

Claude Opus 4.6 is a high-capability, high-compute model from Anthropic's Claude family, optimized for tasks requiring high effort and quality. It is designed to deliver strong performance in complex generation and analysis tasks, particularly excelling in coding and long-context understanding.

This is Anthropic's Claude Opus 4.7 model, featuring adaptive reasoning and a maximum effort mode. It delivers top-tier performance in reasoning, coding, and multimodal tasks, with support for long-context processing.

This is a variant of the Claude Opus 4.7 model optimized for non-reasoning tasks. It is configured to operate in a 'High Effort' mode, likely dedicating more computational resources to generating high-quality, detailed, and nuanced outputs for tasks like writing, analysis, and creative work, rather than focusing on step-by-step logical reasoning.

Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) is a balanced model in the Claude family, optimized for a strong mix of performance, speed, and cost-efficiency. The 'Adaptive Reasoning' and 'Max Effort' designations suggest enhanced capabilities for complex reasoning tasks, potentially with dynamic resource allocation. It is well-suited for applications requiring reliable intelligence without the premium cost of the largest models.

This is a Claude Sonnet 4.6 model configured for non-reasoning mode with high effort. It is designed to provide high-quality, direct responses without engaging in extended chain-of-thought reasoning, making it suitable for tasks requiring immediate and polished outputs.

This is a non-reasoning, low-effort variant of Claude Sonnet 4.6, optimized for fast and cost-effective responses in everyday tasks. It belongs to the Claude Sonnet series but does not engage extended thinking modes.