Claude Opus 5

Anthropic's July 24, 2026 daily-driver frontier model — near Fable 5 intelligence at half the price, with 1M context, thinking on by default, and SOTA coding & knowledge-work evals.

Coding

SOTA on Frontier-Bench (~2× Opus 4.8)

Knowledge Work

SOTA on GDPval-AA & AutomationBench

Specs

1M token context (default & max)

Agentic

Long-horizon tool loops that stay on task