Claude Opus 4.8: Real Outputs, Benchmarks & Cost (2026)

The top tier of Anthropic's Claude 4 family, and the company's flagship coding model until Fable 5 arrived.

More about Claude Opus 4.8

The high-end model of Anthropic’s Claude 4 line — a heavyweight coder and reasoner.

Released

2026

Input price

$5 / 1M

Output price

$25 / 1M

What is Claude Opus 4.8?

Claude Opus 4.8 is the top model of Anthropic’s Claude 4 generation, known for strong coding and long-form reasoning. It features in our Three.js showdown, where it produced detailed, working scene code. It remains a capable choice for demanding work even alongside the newer Fable 5.

What Claude Opus 4.8 actually produces

Real, unedited outputs from Claude Opus 4.8 in our model showdowns — same brief, same constraints as every other model, one shot each.

See Claude Opus 4.8 compared head-to-head