Apple says it will add controls so users can grant Full Disk Access only with very explicit action. The post names no macOS version and no date. Here is what developers who ship agents on Mac should check.
As of 30 September 2026, GPT-6.1 Sol offers a 1.05-million-token context window and lower standard token prices. OpenAI says Sol Ultrafast access is coming soon.
Anthropic released Claude Sonnet 5.5 on 2026-09-28 at $2/$10 per million input/output tokens, unchanged from Sonnet 5. Its published benchmark table puts it near Opus 5.5 on several tasks, while its migration guide lists breaking changes for Sonnet 5 users.
Anthropic's new Opus lists at $4/$20 per million tokens with $0.20 cache reads, and early users call it the best Opus in a year. It also breaks Opus 5 code in four places and trips its security classifier on ordinary work.
Anthropic’s Claude Opus 5.5 (2026-09-22) is the new default Opus in Claude Code and shipped same-day across GitHub Copilot surfaces. The cost story is cache-heavy agent work — not the list-price cut alone.
SpaceXAI’s Grok 4.7 matches Grok 4.6 API token prices. Independent evals show Coding Agent Index gains with Grok Build at xhigh — and higher token use that can raise cost-per-task even when $/token is flat.