Claude Sonnet 4 Description Anthropic’s Claude Sonnet 4 is an efficient AI model for coding, reasoning, and analytics. With a 200K-token context window, it offers precise solutions.
Technical Specifications Performance Benchmarks Claude Sonnet 4 balances efficiency and performance for coding and reasoning.
Context Window : 200K tokens.Output Capacity : Up to 64K tokens per response.Performance Benchmarks : SWE-bench: 72.7%, Terminal-bench: 35.5%.API Pricing :Input tokens: $3.15 per million tokens. Output tokens: $15.75 per million tokens. Cost for 1,000 tokens: $0.00315 (input) + $0.01575 (output) = $0.0189 total. Performance Metrics Sonnet 4 Metrics Key Capabilities Claude Sonnet 4 delivers reliable outputs for diverse workflows.
Advanced Coding : Excels in code reviews, bug fixes, and multi-file edits.Advanced Reasoning : Strong in multi-step reasoning for analytics and problem-solving.Tool Utilization : Supports function calling and JSON structuring for API automation.API Features : Provides streaming and function calling for scalable applications.Optimal Use Cases Coding : Code reviews, bug fixes, and multi-file code edits.Data Analysis : Processing business datasets.Business Automation : Streamlining workflows with API integration.Complex Problem-Solving : Tackling multi-step reasoning tasks.Comparison with Other Models Vs. Gemini 2.5 Flash : Superior coding accuracy (72.7% vs. 63.8% SWE-bench), ideal for software development.Vs. OpenAI o3-mini : Stronger coding performance (72.7% vs. 69.1% SWE-bench), better for efficient coding tasks.Vs. Qwen3-235B-A22B : Higher coding precision (72.7% vs. ~60% SWE-bench, estimated), optimized for code efficiency.Code Samples
Limitations No vision capabilities. No fine-tuning support. Limited to text-based tasks. API Integration Accessible via AI/ML API Documentation: available here.