
Claude Opus 4.8: 2.5x Faster, 3x Cheaper Fast Mode
Anthropic released Claude Opus 4.8 with 2.5x faster, 3x cheaper fast mode and a new dynamic workflows feature, undercutting GPT-4 Turbo on price.
Friday, May 29, 2026
4 stories covered by gentic.news intelligence

Anthropic released Claude Opus 4.8 with 2.5x faster, 3x cheaper fast mode and a new dynamic workflows feature, undercutting GPT-4 Turbo on price.

Anthropic's run-rate revenue hits $47B, up 57% from $30B, per Axios CEO Jim VandeHei—claimed as fastest organic growth ever.

New research introduces Effective Feedback Compute (EFC), which predicts agent success at R2 0.99 vs 0.42 for raw tokens. Reallocating compute by EFC lifts success 3x at the same budget.

EpochAI finds open-weight models trail frontier closed-source models by four months, a small gap reflecting rapid catch-up.