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.
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.