In the News: October 31, 2026 (Midday)

In ViBench 2.0 the agent starts from an empty project, builds a first version of a product from a short spec, then adds up to eighteen more features on top of its own code. The benchmark has seventeen products, 241 feature requests and…

The release notes state that fast mode for Opus 4.8 is deprecated as of October 30, 2026 and will be removed on November 30, 2026. After removal, fast mode requests on Opus 4.8 return an error and do not fall back to standard Opus 4.8.

Alderson applies web-performance habits to agent workflows. He argues that inference speed is only part of it: with provisioning, tools and suspend and resume unchanged, he says halving inference time takes about 20% off a task, a figure he…