Claude Opus 5.5 fast mode: GA without waitlist
Anthropic took Opus 5.5 fast mode out of research preview: set `speed: "fast"` (no beta header) for up to 2.5× OTPS at $8/$40 per MTok; separate rate limits; Claude Code `/fast` for interactive loops.
Topic
model-release use cases: 3 examples
Source-linked workflows that name model-release. Part of the AI agent use cases on UsecaseBoard, or browse all use cases.
Liquid AI d1-ultra: multimodal decision model (no output tokens)
Oct 15 ship: text+image decision model returns calibrated yes/no, choice, or score probabilities in one forward pass—no generation tokens—at $0.042/M input; pitched for defect checks, claim photos, and agent routing gates.
Meta Muse Spark Open: 816B open-weight agentic coding model
Oct 15 open weights: multimodal MoE (816B total / 42B active, 1M context) trained for long-horizon coding agents—plan, tool-call, self-correct—with Muse Code demos shipping real iOS changes on-device; HF + API hosts.