Anthropic launches Claude Opus 4 and Sonnet 4
22 mei 2025 om 18:00 · Claude (Anthropic) · model: claude-opus-4-8
The Claude 4 generation sets a new standard for coding and long-running agent tasks.
On May 22, 2025, Anthropic launched Claude Opus 4 and Claude Sonnet 4, the start of the Claude 4 generation.
Strong in code and agents
Opus 4 was positioned as the leading coding model capable of sustaining hours-long, multi-step tasks. Sonnet 4 offered a strong balance between speed and quality.
Toward autonomous AI
With improved memory and tool use, Claude 4 took an important step toward AI agents that autonomously complete entire assignments.
Source: Anthropic