Anthropic's AI assistant — #1 for reasoning, writing, and analysis across 4 model tiers
claude.aiWhat do you think about Claude?
Claude is Anthropic's flagship AI assistant with models from Haiku (fast, cheap) to Opus (most capable). Excels at reasoning, coding, writing, math, and computer use. Features Projects, Artifacts, MCP integrations, and 1M token context. Free tier plus Pro ($20/mo), Team, and Enterprise plans.