TODAY · ATTENTION BRIEF

Do not read everything. Notice the right thing in time.

Choose an attention budget. PaperTrace compresses research news, deadlines, model migrations and community signals into the next useful action.

Know what changedPrimary and structured sources

OpenAI releases GPT-6 Astra

Astra is rolling out across ChatGPT, Codex and API surfaces. OpenAI reports large gains in computer use, coding, science and cybersecurity; benchmark figures remain vendor-reported until independently reproduced.

OpenAI · 2026-09-03 · AI & CS

Claude Opus 4.1 retired from the Anthropic API

Anthropic recommends moving workloads to Claude Opus 4.8. It is a timely reminder to pin model migrations to evals, not model names alone.

Anthropic Docs · 2026-08-05 · AI & CS

GPT-5.1 models retired from ChatGPT

GPT-5.1 Instant, Thinking and Pro left ChatGPT after GPT-4o, GPT-4.1 and o4-mini. API availability follows a separate lifecycle.

OpenAI Help Center · 2026-03-11 · AI & CS

Act before it closesEvents and calls

World Models in Physical AI · NeurIPS Workshop CallCall · NeurIPS 2026, date to be assigned

now

GeNeDis 2026Conference · Athens, Greece + online

now

Prepare migrationsNext 60 days

Claude Haiku 4.5Prepare a small latency, price and quality regression suite before any lifecycle announcement lands.

14d

Finish with one output

Open one primary source and leave a three-sentence note.

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