Anthropic AI Models

State-of-the-art coding model released September 2025, achieving 77.2% on SWE-bench Verified (82% with high compute). Excels at autonomous multi-step tasks for 30+ hours with enhanced tool coordination, context management, and computer use capabilities. Most aligned frontier model with improved security against prompt injection.

Fast, cost-efficient model released October 2025, achieving 73.3% on SWE-bench Verified. Delivers performance comparable to Claude Sonnet 4 at one-third the cost and more than twice the speed. First Haiku model with extended thinking, computer use, and context awareness capabilities. ASL-2 safety classification with lower misalignment rates than larger models.

Premium model released November 2025, combining maximum intelligence with practical performance. Features 200K token context window with 64K max output, extended thinking support, and priority tier access. Knowledge cutoff March 2025 with training data through August 2025. Offers the best balance of intelligence and efficiency for complex reasoning tasks.

Balanced hybrid reasoning model released May 2025, excelling in coding with 72.7% SWE-bench performance. Features dual modes for instant responses or extended thinking, making it ideal for practical AI applications requiring both speed and intelligence.

Most advanced model released August 2025, achieving 74.5% on SWE-bench Verified with enhanced agentic capabilities. Delivers superior precision for real-world coding and multi-step problems with improved attention to detail and rigor.

World's best coding model released May 2025, leading SWE-bench at 72.5% and Terminal-bench at 43.2%. Designed for sustained performance on complex long-running tasks requiring thousands of steps and several hours of continuous work.

First hybrid reasoning model released February 2025, combining instant responses with visible extended thinking. Achieves state-of-the-art performance on SWE-bench and TAU-bench with significant improvements in coding and front-end development.

Fastest model that surpasses Claude 3 Opus intelligence on many benchmarks while maintaining speed and cost efficiency. Achieves 40.6% on SWE-bench Verified despite being optimized for rapid responses and high-volume applications.

Ultra-fast and cost-effective model optimized for quick responses and high-volume processing. Delivers reliable performance for routine tasks while maintaining multimodal capabilities at the most accessible pricing tier.