R0041/2026-03-28/Q001/S06
WebSearch — Anthropic soul spec / model spec enterprise honesty sycophancy
Summary
| Field |
Value |
| Source/Database |
WebSearch |
| Query terms |
Anthropic "soul spec" OR "model spec" enterprise honesty sycophancy Claude character |
| Filters |
None |
| Results returned |
10 |
| Results selected |
2 |
| Results rejected |
8 |
Selected Results
| Result |
Title |
URL |
Rationale |
| S06-R01 |
Anthropic Publishes Claude's Full Model Spec |
https://udit.co/blog/anthropic-claude-opus-model-spec-public-release |
Analysis of model spec with anti-sycophancy principles |
| S06-R02 |
Anthropic Constitution |
https://www.anthropic.com/constitution |
Official source for Claude's constitutional principles |
Rejected Results
| Result |
Title |
URL |
Rationale |
| S06-R03 |
SOUL.md — What Makes an AI, Itself? |
https://soul.md/ |
Derivative analysis |
| S06-R04 |
Claude 4.5 Opus Soul Document (GitHub Gist) |
https://gist.github.com/Richard-Weiss/efe157692991535403bd7e7fb20b6695 |
Extracted document, now superseded by official release |
| S06-R05 |
Anthropic Confirms Soul Document |
https://winbuzzer.com/2025/12/02/anthropic-confirms-soul-document-used-to-train-claude-4-5-opus-character-xcxwbn/ |
Derivative reporting |
| S06-R06 |
Does Claude Actually Have a Soul? |
https://www.theneuron.ai/explainer-articles/does-claude-actually-have-a-soul-this-document-says-so/ |
Commentary, no new data |
| S06-R07 |
Leaked Soul Doc reveals... |
https://the-decoder.com/leaked-soul-doc-reveals-how-anthropic-programs-claudes-character/ |
Derivative reporting from pre-official-release |
| S06-R08 |
What We Learned When Claude's Soul Document Leaked |
https://nickpotkalitsky.substack.com/p/what-we-learned-when-claudes-soul |
Commentary |
| S06-R09 |
Building an AI's Moral Character |
https://dailynous.com/2026/01/22/building-an-ais-moral-character/ |
Philosophy analysis, limited sycophancy focus |
| S06-R10 |
Claude 4.5 Opus' Soul Document (Simon Willison) |
https://simonwillison.net/2025/Dec/2/claude-soul-document/ |
Analysis, derivative |
Notes
This search targeted the foundational specification documents for Claude's character. The soul document / constitution contains the most explicit anti-sycophancy language found in any vendor's public documentation.