Anthropic API
API access to Claude model family including Claude 3.5 Sonnet, Haiku, and Opus. Excels at coding, analysis, long-context tasks, and safety-critical applications.
Amazon Q Developer
AWS's AI coding assistant and CodeWhisperer successor. The free tier covers code completions and chat; Pro adds Agent Mode for multi-file feature development, automated PR creation, and Java upgrade automation. Deep integration across the AWS toolchain.