Originally published on rohitraj.tech
Week 25 of 2026 in AI dev tools: the US government forces Anthropic to suspend Claude Fable 5 and Mythos 5 three days after launch, Moonshot ships Kimi K2.7-Code open weights, Google open-sources the text-diffusion model DiffusionGemma, the Claude Agent SDK flips to metered billing on June 15, OpenCode crosses 160K GitHub stars, and agentic payments via x402 + AP2 quietly become real.
Read the full version with code samples, diagrams, and architecture details: This Week in AI Dev: A Frontier Model Gets Pulled While Open Weights Keep Shipping (Week 25 of 2026)
More engineering notes: rohitraj.tech/en/notes
