Software.
Anthropic launched Claude Sonnet 5 — its most agentic Sonnet, the new Free/Pro default — at $2/$10 per MTok introductory pricing through Aug 31 (then $3/$15)
Anthropic newsroom; TechCrunch
Claude Fable 5 was restored globally after export controls were withdrawn; Mythos 5 access returned for ~100 US critical-infrastructure organizations on the Commerce 'Annex A' list
Anthropic newsroom
OpenAI previewed the GPT-5.6 family (Sol $5/$30, Terra $2.50/$15 at ~GPT-5.5 performance, Luna $1/$6) — limited to ~20 vetted partner organizations at the US government's request, broad GA 'in the coming weeks'
OpenAI; Reuters syndication; The Batch
GitHub shipped Copilot agent session streaming to public preview — enterprise admins can stream all agent session data (cloud agents, CLI, IDEs) to SIEM endpoints including Microsoft Purview
GitHub Changelog
Gemini 3.5 Pro missed its implied June GA window; no public API model ID as of Jul 2, with reporting pointing to a July target while 3.5 Flash carries the load
TokenMix status check; Business Insider via Pondero
What this means
The software story is a price-and-permission story: closed labs are cutting rates into open-weight cost pressure while Washington now sits inside the release pipeline itself. Architects should use Sonnet 5's intro pricing and the promised Terra tier to renegotiate inference contracts this quarter — and treat model availability as a regulatory risk to engineer around, with the Model Pulse carrying the full architecture read.