Claude Opus 4.8 dropped.
Rohan Paul Twitter · Rohan Paul (@rohanpaul_ai) · 2026-05-28
Anthropic releases Claude Opus 4.8 with a 2.5x faster and 3x cheaper fast mode, a new dynamic workflows feature for large-scale problems, and a benchmark jump to 74.6% on agentic terminal coding from 66.1%.
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Extraction
Topics: claudelarge-language-modelsai-benchmarksagentic-coding
Claims
- Claude Opus 4.8 introduces a fast mode that is 2.5x faster and 3x cheaper than Opus 4.7's fast mode.
- Opus 4.8 achieves 74.6% on agentic terminal coding benchmarks, up from 66.1% for Opus 4.7, representing the largest benchmark jump between the two versions.
- A new 'dynamic workflows' feature in Opus 4.8 enables the model to tackle very large-scale problems.
Key quotes
74.6% on agentic terminal coding is the biggest benchmark jump over Opus 4.7, rising from 66.1%
has a new 'dynamic workflows' feature that allows it to tackle very large-scale problems