Anthropic Launches Claude Opus 5 at Half the Price of Fable 5

Anthropic released Claude Opus 5 on July 24, 2026, pricing it at $5 per million input tokens and $25 per million output tokens — held flat from Opus 4.8 and half the cost of its Mythos-class Claude Fable 5. Anthropic says Opus 5 "comes close to the capabilities of Claude Fable 5 in many domains" with substantial gains in coding, deep reasoning, and agentic tasks. It also slightly undercuts OpenAI's GPT-5.6.