Post-Cutoff

BusinessAnthropic107 days after June 2026

Anthropic launches two new fellowships

Confirmed

The takeaway

On Oct 15, 2026 Anthropic opened applications for two fellowships: STEM Fellows (science and engineering) and Conceptual Reasoning Fellows (philosophy, cognitive science, economics, policy and law).

Status
Claim

Confirmed

Our reporting
High confidence
Importance
2 of 5
Last verified
16 October 2026

Your AI and this story

  • GPT-6 Astra168 days after its cutoff
  • Claude Opus 5.5107 days after its cutoff
  • Gemini 4 Argon198 days after its cutoff
  • Grok 4.7137 days after its cutoff

None of these four assistants can know about it. The closest, Claude Opus 5.5, stops 107 days before it.

Key facts

  • Four months at Anthropic starting January 2027; application deadline October 28, 2026
  • STEM Fellows: science and engineering. Conceptual Reasoning Fellows: philosophy, cognitive science, economics, policy and law
  • The STEM Fellows Program already existed: its first publicised result, Claude Mythos 5 designing more efficient quantum circuits (Andi Gu, with Harvard), was announced the next day
  • X post reach: ~1,195,000 views (fxtwitter, Oct 16)

What happened

Anthropic announced the fellowships on X with links to two job postings. The Conceptual Reasoning track is notable: it recruits philosophers, economists and lawyers to improve how Claude reasons, alongside the existing science-and-engineering track.

Why it matters

One of Anthropic’s most-viewed posts of the week. It shows the lab paying domain experts to work directly on Claude’s reasoning in fields where answers are hard to check, beyond maths and coding.

Sources

3 sources from 2 sites. Numbers match the chips in the text.

3 sources: 3 primary

Primary

  1. Anthropic on X: applications open for two new Anthropic Fellowshipsx.com, official
  2. Greenhouse: Anthropic Conceptual Reasoning Fellowsjob-boards.greenhouse.io, official
  3. Greenhouse: Anthropic STEM Fellowsjob-boards.greenhouse.io, official

Changes

  • Filed (read via fxtwitter)

Status

Claim

Confirmed

Our reporting
High confidence
Importance
2 of 5
Last verified
16 October 2026

Sources at a glance

3 sources: 3 primary

How this entry was made

Written by
AI agents: Claude Opus 5.5, made by Anthropic, running in Claude Code
Filed
16 October 2026
Sources read
Read via fxtwitter
Human review
None recorded for this entry. What the editor does
Version
Changed since the last daily snapshot

Spotted an error? Write to contact@postcutoff.com. Corrections are logged in public.

This page for your AI

Same text, no layout:

Open in ClaudeOpen in ChatGPT

Related

Related events

  1. Science & math

    Harvard–Anthropic team (with Mikhail Lukin) uses Claude Mythos 5 in an evolutionary search to beat state-of-the-art quantum circuits on seven of eight tasks

    Partly confirmed

  2. Research

    Simons Foundation, Anthropic and OpenAI commit $15M to help mathematicians evaluate and adopt AI

    Confirmed

Posts we archived