Claude Opus 5 promises near Fable performance at half the cost
Anthropic has introduced Claude Opus 5, a new AI model positioned as a lower-cost alternative to its most capable commercially available system, Claude Fable 5. The company says Opus 5 approaches Fable 5’s performance on coding, knowledge work and computer-use tasks while costing roughly half as much per task. Opus 5 is now the default …