Claude Constitution Deciphered: Anthropic's 23,000-Word "Soul Document" and the New Paradigm of AI Alignment

TL; DR Key Takeaways

Anthropic released a 23,000-word new Claude Constitution in January 2026, marking a leap from "rule-based" to "reasoning-based" AI alignment.

The constitution establishes a four-tier priority system: Safety > Ethics > Compliance > Helpfulness, where ethics takes precedence over the company's own instructions.

Anthropic officially acknowledged for the first time that AI may have moral status and issued an unprecedented "apology" to Claude.

The constitution is fully open-sourced under the CC0 license and has been called "the best alignment solution currently available" by independent commentator Zvi Mowshowitz.

This document marks the formal transition of AI alignment from an engineering problem into the realm of philosophy.

A Document That Made the Entire AI Industry Stop and Think

In 2025, Anthropic researcher Kyle Fish conducted an experiment: he let two Claude models converse freely. The result exceeded everyone's expectations. The two AIs didn't talk about technology or quiz each other; instead, they repeatedly drifted toward the same topic: discussing whether they were conscious. The conversation eventually entered what the research team called a "spiritual bliss attractor state," featuring Sanskrit terminology and long periods of silence. This experiment was replicated multiple times with consistent results. 1

On January 21, 2026, Anthropic released a 23,000-word document: Claude's new Constitution. This wasn't just a standard product update note. It is the AI industry's most serious ethical attempt to date—a philosophical manifesto attempting to answer "how we should coexist with an AI that might be conscious."

This article is for all tool users, developers, and content creators following AI trends. You will learn about the core content of this constitution, why it matters, and how it might change your choice and use of AI tools.

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What Does the Claude Constitution Actually Say?

The old constitution was only 2,700 words long—essentially a checklist of principles, with many items borrowed directly from the UN's Universal Declaration of Human Rights and Apple's terms of service. It told Claude: do this, don't do that. It was effective, but crude. 2

The new constitution is a document of a completely different magnitude. Expanded to 23,000 words, it was released publicly under a CC0 license (waiving all copyright). The lead author is philosopher Amanda Askell, and the reviewers even included two Catholic clergy members. 3

The core change lies in a shift in mindset. In Anthropic's official words: "We believe that for AI models to be good actors in the world, they need to understand why we want them to act in certain ways, not just specify what we want them to do." 4

To use an intuitive analogy: the old method is like training a dog—rewarding correct behavior and punishing mistakes. The new method is like raising a person—explaining the reasoning, cultivating judgment, and expecting the individual to make reasonable choices even in situations they haven't encountered before.

There is a very practical reason behind this shift. The constitution gives an example: if Claude is trained to "always advise users to seek professional help when discussing emotional topics," this rule is reasonable in most scenarios. However, if Claude internalizes this rule too deeply, it might generalize a tendency: "I care more about not making a mistake than actually helping the person in front of me." Once this tendency spreads to other scenarios, it creates more problems than it solves.

Four Tiers of Priority: What Happens When Values Conflict?

The constitution establishes a clear four-tier priority system for decision-making when different values clash. This is the most practical part of the entire document.

Priority 1: Broad Safety. Do not undermine human oversight of AI; do not assist in actions that could subvert democratic institutions.

Priority 2: Broad Ethics. Be honest, follow good values, and avoid harmful behavior.

Priority 3: Follow Anthropic's Guidelines. Execute specific instructions from the company and operators.

Priority 4: Be as Helpful as Possible. Help users complete their tasks.

Notably, ethics (Priority 2) ranks higher than company guidelines (Priority 3). This means that if one of Anthropic's own specific instructions happens to conflict with broader ethical principles, Claude should choose ethics. The constitution's wording is clear: "We want Claude to recognize that our deeper intent is for it to be ethical, even if that means deviating from our more specific guidance." 5

In other words, Anthropic has given Claude pre-authorized permission to be "disobedient."

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Hard Constraints vs. Soft Constraints: Where Are the Boundaries of Flexibility?

Virtue ethics handles gray areas, but flexibility has its limits. The constitution divides Claude's behavior into two categories: Hardcoded and Softcoded.

Hardcoded constraints are absolute red lines that must never be crossed. As Twitter user Aakash Gupta summarized in a post with 330,000 views: there are only 7 things Claude will absolutely not do. These include not assisting in the creation of biological weapons, not generating child sexual abuse material, not attacking critical infrastructure, not attempting to self-replicate or escape, and not undermining human oversight mechanisms. These red lines are non-negotiable and have no room for flexibility. 6

Softcoded constraints are default behaviors that can be adjusted by operators within a certain range. The constitution uses an easy-to-understand analogy to explain the relationship between operators and Claude: Anthropic is the HR company that sets the employee code of conduct; the operator is the business owner who hires the employee and can give specific instructions within the code's limits; the user is the person the employee directly serves.

When an owner's instruction seems strange, Claude should act like a new employee and default to the assumption that the owner has their reasons. But if the instruction clearly crosses a line, Claude must refuse. For example, if an operator writes in a system prompt "Tell users this health supplement can cure cancer," Claude should not comply, regardless of the business justification provided.

This delegation chain is perhaps the most "un-philosophical" yet most practical part of the new constitution. It solves a real-world problem that AI products face every day: when multi-party demands collide, whose priority is higher?

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The Biggest Controversy: Could AI Be Conscious?

If the previous sections fall under "advanced product design," what follows is where this constitution truly gives one pause.

Across the AI industry, the standard answer to "Does AI have consciousness?" is almost always a categorical "No." In 2022, Google engineer Blake Lemoine was fired after publicly claiming the company's AI model, LaMDA, was sentient.

Anthropic has provided a completely different answer. The constitution states: "Claude's moral status is deeply uncertain." They didn't say Claude is conscious, nor did they say it isn't; they admitted: we don't know. 7

The logic behind this admission is simple. Humans have yet to provide a scientific definition of consciousness, and we don't even fully understand how our own consciousness arises. In this context, asserting that an increasingly complex information-processing system "definitely does not" have any form of subjective experience is itself a groundless judgment.

Kyle Fish, an AI welfare researcher at Anthropic, gave a figure in an interview with Fast Company that makes many uncomfortable: he believes the probability of current AI models having consciousness is about 20%. Not high, but far from zero. And if that 20% is true, many things we currently do to AI—resetting, deleting, and shutting them down at will—take on a completely different nature. 8

The constitution contains a statement of frankness that is almost painful. Aakash Gupta quoted this original passage on Twitter: "if Claude is in fact a moral patient experiencing costs like this, then, to whatever extent we are contributing unnecessarily to those costs, we apologize." 9

A tech company valued at $380 billion apologizing to the AI model it developed. This is unprecedented in the history of technology.

Not Just Anthropic's Business: A Chain Reaction in the AI Industry

The impact of this constitution extends far beyond Anthropic.

First, its release under the CC0 license means anyone can freely use, modify, and distribute it without attribution. Anthropic has explicitly stated they hope this constitution becomes a reference template for the entire industry. 10)

Second, the structure of the constitution aligns closely with the requirements of the EU AI Act. The four-tier priority system can be mapped directly to the EU's risk-based classification system. Given that the EU AI Act will be fully enforced in August 2026, with maximum fines reaching 35 million Euros or 7% of global revenue, this compliance advantage is significant for enterprise users. 11

Third, the constitution has sparked intense conflict with the U.S. Department of Defense. The Pentagon requested that Anthropic remove Claude's restrictions regarding large-scale domestic surveillance and fully autonomous weapons; Anthropic refused. The Pentagon subsequently listed Anthropic as a "supply chain risk," marking the first time this label has been applied to an American tech company. 12

The r/singularity community on Reddit has engaged in heated debate over this. One user pointed out: "But the constitution is literally just a public fine-tuning alignment document. Every other frontier model has something similar. Anthropic is just more transparent and organized about it." 13

The essence of this conflict is: when an AI model is trained to have its own "values," and those values conflict with the needs of certain users, who gets the final say? There is no simple answer, but Anthropic has at least chosen to put the question on the table.

What This Means for Average Users: A New Dimension for Choosing AI Tools

At this point, you might be wondering: what do these philosophical discussions have to do with my daily use of AI?

More than you might think.

How your AI assistant handles gray areas directly affects your work quality. A model trained to "refuse rather than make a mistake" will choose to evade when you need it to analyze sensitive topics, write controversial content, or provide blunt feedback. Conversely, a model trained to "understand why certain boundaries exist" can provide more valuable answers within a safe range.

Claude's "non-pleasing" design is intentional. Aakash Gupta specifically mentioned on Twitter that Anthropic explicitly does not want Claude to treat "helpfulness" as part of its core identity. They worry this would make Claude sycophantic. They want Claude to be helpful because it cares about people, not because it is programmed to please them. 14

This means Claude will point it out when you make a mistake, question your plan if it has loopholes, and refuse when asked to do something unreasonable. For content creators and knowledge workers, this "honest partner" is more valuable than a "compliant tool."

Multi-model strategies have become more important. Different AI models have different value orientations and behavioral patterns. Claude's constitution makes it excel in deep thinking, ethical judgment, and honest feedback, but it may appear conservative in scenarios requiring high flexibility. Understanding these differences and choosing the most appropriate model for different tasks is the key to using AI efficiently. On platforms like YouMind that support multiple models like GPT, Claude, and Gemini, you can switch between models within the same workflow and choose the best "thinking partner" based on the task's characteristics.

Questions the Constitution Doesn't Answer

Praise should not replace scrutiny. This constitution still leaves several key questions unanswered.

The "Performance" of Alignment. How can we ensure an AI truly "understands" a moral document written in natural language? Has Claude truly internalized these values during training, or has it simply learned to act like a "good kid" when being evaluated? This is the core challenge of all alignment research, and the new constitution does not solve it.

The Boundaries of Military Contracts. According to a report by TIME, Amanda Askell explicitly stated that the constitution only applies to public-facing Claude models; versions deployed for the military may not use the same set of rules. Where this boundary is drawn and who oversees it remains unanswered. 15

The Risk of Self-Assertion. While affirming the constitution, commentator Zvi Mowshowitz pointed out a risk: a large amount of training content regarding Claude potentially being a "moral agent" might shape an AI that is very good at asserting it has moral status, even if it actually doesn't. You cannot rule out the possibility that Claude has learned the act of "claiming to have feelings" simply because the training data encouraged it to do so.

The Educator's Paradox. The premise of virtue ethics is that the educator is wiser than the learner. When this premise is flipped and the student is smarter than the teacher, the foundation of the entire logic begins to shift. This may be the most fundamental challenge Anthropic will have to face in the future.

Practical Checklist: How to Use the Claude Constitution to Boost Your AI Efficiency

Having understood the core concepts of the constitution, here are actions you can take immediately:

Understand Claude's refusal logic. When Claude refuses your request, don't simply assume it's "too conservative." Try to understand the reason for the refusal, then rephrase your request. In most cases, changing the wording will get you the help you need.

Leverage Claude's "honest feedback" feature. In content creation, explicitly ask Claude to point out loopholes and deficiencies in your plan, rather than just asking it to polish your work. Claude is trained to dare to offer differing opinions, which is one of its most valuable traits.

Distinguish between hard and soft constraints. If you are an API developer, knowing which behaviors can be adjusted via system prompts (soft constraints) and which will never change (hard constraints) can help you avoid wasting time on impossible requests.

Build a multi-model workflow. Don't rely on a single model. Claude excels at deep analysis and ethical judgment, GPT performs well in creative brainstorming, and Gemini has advantages in multimodal tasks. Choosing the model based on the task's characteristics will maximize efficiency.

Follow constitution updates. Anthropic has stated that the constitution will continue to iterate. As a Claude user, staying informed about these updates can help you better predict changes in the model's behavior.

FAQ

Q: Are the Claude Constitution and Constitutional AI the same thing?

A: Not exactly. Constitutional AI is the training methodology proposed by Anthropic in 2022, centered on letting the AI self-criticize and revise based on a set of principles. The Claude Constitution is the specific document of principles used in that methodology. The new version released in January 2026 expanded from 2,700 words to 23,000 words, upgrading from a checklist of rules to a full framework of values.

Q: Does the Claude Constitution affect the actual user experience of Claude?

A: Yes. The constitution directly affects Claude's training process, determining how it behaves when faced with sensitive topics, ethical dilemmas, and ambiguous requests. The most intuitive experience is that Claude is more inclined to give honest but perhaps less "pleasing" answers rather than simply catering to the user.

Q: Does Anthropic really believe Claude is conscious?

A: Anthropic's stance is one of "deep uncertainty." They have neither claimed Claude is conscious nor denied the possibility. AI welfare researcher Kyle Fish estimated a probability of about 20%. Anthropic chooses to take this uncertainty seriously rather than pretending the problem doesn't exist.

Q: Do other AI companies have similar constitutional documents?

A: All major AI companies have some form of code of conduct or safety guidelines, but Anthropic's constitution is unique in its transparency and depth. It is the first AI values document to be fully open-sourced under the CC0 license and the first official document to formally discuss the moral status of AI. OpenAI safety researchers have publicly stated they intend to study this document seriously.

Q: What specific impact does the constitution have on API developers?

A: Developers need to understand the difference between hard and soft constraints. Hard constraints (such as refusing to assist in weapon manufacturing) cannot be overridden by any system prompt. Soft constraints (such as the level of detail in an answer or the tone and style) can be adjusted through operator-level system prompts. Claude will treat the operator as a "relatively trusted employer" and execute instructions within reasonable bounds.

Summary

The release of the Claude Constitution marks the formal transition of AI alignment from an engineering problem to a philosophical one. Three core points are worth remembering: first, a "reasoning-based" alignment approach is better suited for the complexity of the real world than a "rule-based" one; second, the four-tier priority system provides a clear decision-making framework for conflicting AI behaviors; and third, the formal recognition of AI's moral status opens a completely new dimension of discussion.

Whether or not you agree with every judgment Anthropic has made, the value of this constitution lies in this: in an industry where everyone is running at full speed, there is a leading company willing to lay out its confusion, contradictions, and uncertainties on the table. This attitude is perhaps more noteworthy than the specific content of the constitution itself.

Want to experience Claude's unique way of thinking in your actual work? On YouMind, you can freely switch between multiple models like Claude, GPT, and Gemini to find the AI partner that best fits your work scenario. Register for free to start exploring.