Archive · 24 Sep 2026
Anthropic Says Claude Found CRISPR-Like System in Bacteriophage DNA
Anthropic says its AI, Claude, helped scientists find a new DNA-related system in viruses that infect bacteria.
The system may be able to cut, copy and paste DNA.
Some of its actions resemble CRISPR, a tool scientists use to edit genes, but Anthropic says it is not CRISPR.
Other scientists still need to check whether the discovery is truly new and important.
Claude searched biological information for about 21 hours with help from many AI agents.
People, not AI, carried out the experiments in the laboratory.
Anthropic says the lab uses lower biosafety levels and does not work with human-infecting pathogens.
The discovery raises questions about how much biological research AI might help automate in the future.
Anthropic says Claude helped identify a previously unknown enzyme system in bacteriophage DNA.
The system appears able to cut, copy and paste genetic material, with some similarities to CRISPR.
Claude reportedly worked for about 21 hours using roughly 950 AI agents and 210 million tokens.
Human scientists performed the laboratory experiments at Anthropic’s San Francisco Bay Area facility.
Independent researchers must reproduce the findings and determine how novel and significant the system is.
- Who
- Anthropic, its Claude AI model and human scientists at the company’s biology laboratory.
- What
- Anthropic says Claude helped identify a previously unknown bacteriophage enzyme system with some CRISPR-like DNA functions.
- When
- The announcement came about one week after Anthropic confirmed it operates a wet biology laboratory.
- Where
- The laboratory is in the San Francisco Bay Area; the system was identified in bacteriophage DNA.
- Why
- Claude analyzed biological data to help identify potential discoveries and accelerate biological research.
Potential Breakthrough
Caution and Verification
Scientific significance
Potential Breakthrough
Anthropic says Claude helped uncover an enzyme system with DNA functions resembling some aspects of CRISPR, suggesting AI could accelerate biological discovery.
Caution and Verification
The system is not CRISPR itself, builds on previous research, and independent researchers must determine whether it is genuinely new and significant.
Role of automation
Potential Breakthrough
Anthropic’s account presents Claude as having made most of the discovery after rapidly searching a large volume of biological data.
Caution and Verification
No laboratory work was automated: human scientists conducted the experiments, and Anthropic has not established that Claude can independently perform physical research.
Biological safety
Potential Breakthrough
AI-assisted research could help accelerate medical progress and biological understanding.
Caution and Verification
Anthropic leaders have warned that increasingly capable AI could also contribute to biological threats, so future laboratory automation would require safeguards.
- AI system
- Claude, Anthropic’s AI model
- Reported work time
- Approximately 21 hours
- Computational effort
- About 950 AI agents and 210 million tokens
- Biological material
- DNA from bacteriophages, which infect bacteria
- Reported functions
- Cutting, copying and pasting genetic material
- Laboratory safety levels
- BSL-1 and BSL-2
- Human role
- Human scientists performed the physical experiments