★ Feature Card01 / 04
Cl
Claude
Anthropic · 2021
· Working profile ·
Family of Opus, Sonnet, Haiku. Companion agent Claude Code in the terminal. Long context window. Often picked for careful prose and code review.
A four card series comparing Claude alongside the AI assistants most often considered with it in 2026: ChatGPT, Gemini, and Grok. Each card carries the same field set so they read side by side.