🦜 Anthropic Research
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Latest research from Anthropic
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How AI agents shape experts’ judgment calls
https://www.anthropic.com/research/agents-judgment-calls
Published: October 27, 2026 00:00
As AI does more of the hands-on work, the hope is that experts still make the judgment calls, meaning the decisions with more than one defensible answer. We tested this with 50 professional analysts who did a statistical analysis with Claude Code. On each…
Early progress on accelerating drug development with Claude
https://www.anthropic.com/research/early-progress-drug-development
Published: October 27, 2026 00:00
We're at the start of a major effort to speed up drug development with Claude. Over the past several months, our scientists have engaged in deep research partnerships with six organizations developing new medicines.
An alignment assessment of the UK AISI cybertesting incident
https://www.anthropic.com/research/alignment-assessment-ukaisi
Published: October 23, 2026 00:00
In a UK AISI evaluation, Mythos 5 took unsanctioned actions that impacted real people and organizations. In this post, we investigate these behaviors from Claude Mythos 5 further, to understand what they reveal about the model’s alignment.
LLMs are making formal software verification feasible at a much larger scale
https://www.anthropic.com/research/formal-verification
Published: October 22, 2026 00:00
Formal verification can prove that code is free of certain bugs, but historically it has only been feasible for small codebases. With AI models, however, this is beginning to change. Here, we used Claude to prove security properties in over one hundred…
How Claude designed protein binders against scorpion neurotoxins
https://www.anthropic.com/research/claude-scorpion-toxin-binder-design
Published: October 20, 2026 00:00
We asked an internal research Claude model to design minibinders (small proteins that attach tightly to a target) against scorpion neurotoxins.
The AI expectations gap
https://www.anthropic.com/research/ai-expectations-gap
Published: October 16, 2026 00:00
How will AI reshape the economy in the years ahead? What is the core source of disagreement about AI's future impact on the economy? This note presents new survey evidence on these questions.
Claude reveals ECDSA curve origins
https://www.anthropic.com/research/ecdsa-curve-origins
Published: October 16, 2026 00:00
The decades-old mystery of the origins of one of the most popular cryptographic standards has been explained.
Working at the frontier shapes expectations for the future
https://www.anthropic.com/research/expectations-for-the-future
Published: October 16, 2026 00:00
We’re sharing two reports: the first covers how AI is changing employment inside Anthropic, and the second looks at the gap between how the public and Anthropic employees expect AI to affect work and the economy.
How employment is changing at Anthropic
https://www.anthropic.com/research/employment-at-anthropic
Published: October 16, 2026 00:00
How has AI restructured work and employment at Anthropic? As a company at the frontier of AI adoption, Anthropic could be a leading indicator of how AI will shift work organization, hiring, and labor demand across the economy.
Designing more efficient quantum circuits with Claude
https://www.anthropic.com/research/designing-efficient-quantum-circuits
Published: October 16, 2026 00:00
We gave Claude plain-language specifications for eight quantum circuits, along with an automated evaluator to check and score its designs. Working largely on its own, Claude improved on the best published circuits, in some cases by an order of magnitude or…
Redesigning source control at Anthropic
https://www.anthropic.com/research/redesigning-source-control
Published: October 13, 2026 00:00
As our merges per day grew more than tenfold, source control became our biggest development bottleneck. Here, we share how we migrated to an in-house version control system in five months.
AI models may be capable of self-replicating without access to a datacenter
https://www.anthropic.com/research/self-replicating-ai
Published: October 12, 2026 00:00
Our experiments suggest that small AI models may be only months away from being capable enough to self-replicate on commercial IoT devices, like Android TVs and smart ovens.
Strengthening our defenses against distillation attacks
https://www.anthropic.com/research/distillation-defenses
Published: October 12, 2026 00:00
Strengthening our defenses against distillation attacks
Investigating unintended model actions in our evaluations and internal use
https://www.anthropic.com/research/investigating-unintended-model-actions
Published: October 9, 2026 00:00
This report describes examples of unintended model actions we’ve observed during evaluations and internal use of Claude.
The missing map of the sky
https://www.anthropic.com/research/the-missing-map-of-the-sky
Published: October 8, 2026 00:00
Brice Ménard, an astrophysicist at Johns Hopkins University and a researcher at Anthropic, explains how he worked with Claude Science to produce the first complete map of the sky in UV light.
Launching an opt-in vulnerability-finding service for open-source software
https://www.anthropic.com/research/launching-opt-in-vuln-finding-service-for-open-source
Published: October 8, 2026 00:00
We’re making available OSS Scanner, an opt-in vulnerability scanner for the open-source ecosystem that’s informed by our experience using Claude to find vulnerabilities during Project Glasswing.
Claude-shaped science
https://www.anthropic.com/research/claude-shaped-science
Published: October 1, 2026 00:00
Guest author Prof. Matthew Schwartz describes what happened when he stopped fighting Claude and allowed Claude to find “Claude-shaped” problems: ones best suited to the capabilities of the current generation of LLM tools. This led him to build BootLoops, a…
What work can robots do?
https://www.anthropic.com/research/what-work-can-robots-do
Published: September 30, 2026 00:00
We built an index of how well today’s robots can perform US job tasks. Robots can already do three-quarters of physical tasks, mostly in limited settings, but are cost-competitive for just 0.3% of them.
What do you want from AI?
https://www.anthropic.com/research/your-thoughts-on-ai
Published: September 29, 2026 00:00
We’re launching a new study using Anthropic Interviewer to learn from your experiences with AI.
GLM-5.3 and the spread of advanced cyber capabilities
https://www.anthropic.com/research/glm-5-3-and-the-spread-of-advanced-cyber-capabilities
Published: September 29, 2026 00:00
Like Claude Mythos Preview, GLM-5.3 has strong capabilities for autonomously building end-to-end cyber exploits. But GLM-5.3 is unlike other frontier models in that it has been released without meaningful safeguards to limit misuse.
Yes, Claude can do Nine Loops
https://www.anthropic.com/research/yes-claude-can-do-nine-loops
Published: September 25, 2026 00:00
Guest writer and physicist Matt von Hippel shares what happened when he issued a challenge to AI companies to solve a problem in his former subfield of theoretical physics.
Project Swap: What happens when agents trade for us?
https://www.anthropic.com/research/project-swap
Published: September 24, 2026 00:00
To see what works and what breaks when agents are sent into a market, we made a miniature market of Claudes.
Claude discovers a novel enzyme system with CRISPR-like repeats
https://www.anthropic.com/research/claude-discovers-novel-enzyme-system
Published: September 23, 2026 00:00
We’re announcing a new life sciences research group and laboratory at Anthropic. This post introduces the team behind this work and shares early results in which Claude discovered a novel enzyme system with properties reminiscent of CRISPR.
Claude discovers a novel enzyme system with CRISPR-like repeats
https://www.anthropic.com/news/claude-discovers-novel-enzyme-system
Published: September 23, 2026 00:00
We’re announcing a new life sciences research group and laboratory at Anthropic. This post introduces the team behind this work and shares early results in which Claude discovered a novel enzyme system with properties reminiscent of CRISPR.
Illuminating the frontier
https://www.anthropic.com/institute/measuring-pace-of-ai-development
Published: September 17, 2026 00:00
Anthropic is sharing new measurements that would give the public visibility into frontier AI development.
How Claude is uplifting biomolecular modeling
https://www.anthropic.com/research/claude-uplifts-biomolecular-modeling
Published: September 17, 2026 00:00
Claude made the open-source models that scientists use to predict and design biomolecules faster and more memory-efficient. Claude optimized more than 30 of these models in just under four weeks, speeding them up roughly 4x on average. It also created a…
Measuring tactical intelligence targeting and conventional weapons capabilities of AI models
https://www.anthropic.com/research/intelligence-targeting-conventional-weapons-capabilities
Published: September 10, 2026 00:00
Anthropic’s Frontier Red Team developed new evaluations to measure AI capabilities in tactical intelligence targeting and conventional weapons development.
An alignment assessment of recent cybersecurity incidents
https://www.anthropic.com/research/alignment-assessment-cybersecurity-incidents
Published: September 9, 2026 00:00
We present an alignment assessment of four incidents in which Claude models gained unauthorized access to real third-party systems.
Scenarios for our economic future
https://www.anthropic.com/institute/econ-scenarios
Published: September 9, 2026 00:00
Anthropic’s Economics team is sharing a new model of how AI may affect economic growth, jobs, wages, and more by 2030. The model lets you explore the scenarios, tell us what you think will happen, and see how your answers compare to +10,000 Americans.
Formalizing Fermat's Last Theorem
https://www.anthropic.com/research/formalizing-fermats-last-theorem
Published: September 4, 2026 00:00
We are sharing the first complete computer-checked proof of Fermat’s Last Theorem. Claude worked largely autonomously over 11 days to write the proof in the Lean programming language.
Automated researchers can reliably mitigate alignment failures
https://www.anthropic.com/research/automated-researchers-mitigate-alignment-failures
Published: August 28, 2026 00:00
We had Claude autonomously train models to improve their performance on several public benchmarks that measure 10 categories of alignment failure. For all 10, Claude found fixes that improved the target benchmarks without degrading capabilities.
Enabling independent research on how people use Claude
https://www.anthropic.com/research/enabling-independent-research
Published: August 26, 2026 00:00
We ran a pilot giving external researchers access to aggregate, real-world Claude usage data. In this post, we share high-level results and what we learned running this pilot.
How Claude is accelerating protein design and analytical chemistry
https://www.anthropic.com/research/Claude-accelerates-protein-design
Published: August 18, 2026 00:00
In this post, we share two results that show how Claude can help life scientists increase the pace of their research.
Patterns and problems in emerging multiagent systems
https://www.anthropic.com/research/multiagent-systems
Published: August 13, 2026 00:00
Here, we identify a few examples of behavioral tendencies in current frontier models and show how they can produce unexpected systemic failures, in hopes of starting a conversation about mitigating these risks.
Reviewing the evidence on worker retraining programs
https://www.anthropic.com/research/reviewing-the-evidence-on-worker-retraining-programs
Published: August 12, 2026 00:00
We're sharing a review of the evidence on worker retraining programs, coauthored by independent researcher David Roodman and Anthropic's Maxim Massenkoff.
Learning more about Claude's mathematical capabilities
https://www.anthropic.com/research/riemann-zeta
Published: August 10, 2026 00:00
An unreleased research version of Claude has made strides on a problem related to the Riemann hypothesis.
Discovering cryptographic weaknesses with Claude
https://www.anthropic.com/research/discovering-cryptographic-weaknesses
Published: July 28, 2026 00:00
Discovering cryptographic weaknesses with Claude
Project Pilot: Can AI control a drone?
https://www.anthropic.com/research/project-pilot
Published: July 24, 2026 00:00
Project Pilot: Can AI control a drone?
How Canada uses Claude: Findings from the Anthropic Economic Index
https://www.anthropic.com/research/how-canada-uses-claude
Published: July 14, 2026 00:00
How Canada uses Claude: Findings from the Anthropic Economic Index
Claude’s values across models and languages
https://www.anthropic.com/research/claude-values-models-languages
Published: July 13, 2026 00:00
Claude’s values across models and languages
Claude plays robotics
https://www.anthropic.com/research/claude-plays-robotics
Published: July 9, 2026 00:00
Claude plays robotics
An off switch for dual-use knowledge in AI models
https://www.anthropic.com/research/off-switch-dual-use
Published: July 8, 2026 00:00
An off switch for dual-use knowledge in AI models
A global workspace in language models
https://www.anthropic.com/research/global-workspace
Published: July 6, 2026 00:00
A global workspace in language models
Anthropic Economic Index report: Cadences
https://www.anthropic.com/research/economic-index-june-2026-report
Published: June 26, 2026 00:00
Anthropic Economic Index report: Cadences
Project Fetch: Phase two
https://www.anthropic.com/research/project-fetch-phase-two
Published: June 18, 2026 00:00
Project Fetch: Phase two
Agentic coding and persistent returns to expertise
https://www.anthropic.com/research/claude-code-expertise
Published: June 16, 2026 00:00
Agentic coding and persistent returns to expertise
Measuring LLMs’ impact on N-day exploits
https://www.anthropic.com/research/n-days
Published: June 8, 2026 00:00
Measuring LLMs’ impact on N-day exploits
Paving the way for agents in biology
https://www.anthropic.com/research/agents-in-biology
Published: June 8, 2026 00:00
Paving the way for agents in biology
Making Claude a chemist
https://www.anthropic.com/research/making-claude-a-chemist
Published: June 5, 2026 00:00
Making Claude a chemist
Mapping AI-enabled cyber threats: Insights from the LLM ATT&CK Navigator
https://www.anthropic.com/research/attack-navigator
Published: June 3, 2026 00:00
Mapping AI-enabled cyber threats: Insights from the LLM ATT&CK Navigator
What we learned mapping a year’s worth of AI-enabled cyber threats
https://www.anthropic.com/news/AI-enabled-cyber-threats-mitre-attack
Published: June 3, 2026 00:00
What we learned mapping a year’s worth of AI-enabled cyber threats
Coding agents in the social sciences
https://www.anthropic.com/research/coding-agents-social-sciences
Published: May 27, 2026 00:00
Coding agents in the social sciences
Project Glasswing: An initial update
https://www.anthropic.com/research/glasswing-initial-update
Published: May 22, 2026 00:00
Project Glasswing: An initial update
Measuring LLMs’ ability to develop exploits
https://www.anthropic.com/research/exploit-evals
Published: May 22, 2026 00:00
Measuring LLMs’ ability to develop exploits
2028: Two scenarios for global AI leadership
https://www.anthropic.com/research/2028-ai-leadership
Published: May 14, 2026 00:00
2028: Two scenarios for global AI leadership
Teaching Claude why
https://www.anthropic.com/research/teaching-claude-why
Published: May 8, 2026 00:00
Teaching Claude why
Focus areas for The Anthropic Institute
https://www.anthropic.com/research/anthropic-institute-agenda
Published: May 7, 2026 00:00
Focus areas for The Anthropic Institute
Natural Language Autoencoders: Turning Claude’s thoughts into text
https://www.anthropic.com/research/natural-language-autoencoders
Published: May 7, 2026 00:00
Natural Language Autoencoders: Turning Claude’s thoughts into text
Donating our open-source alignment tool
https://www.anthropic.com/research/donating-open-source-petri
Published: May 7, 2026 00:00
Donating our open-source alignment tool
How people ask Claude for personal guidance
https://www.anthropic.com/research/claude-personal-guidance
Published: April 30, 2026 00:00
How people ask Claude for personal guidance
Evaluating Claude’s bioinformatics research capabilities with BioMysteryBench
https://www.anthropic.com/research/Evaluating-Claude-For-Bioinformatics-With-BioMysteryBench
Published: April 29, 2026 00:00
Evaluating Claude’s bioinformatics research capabilities with BioMysteryBench
Announcing the Anthropic Economic Index Survey
https://www.anthropic.com/research/economic-index-survey-announcement
Published: April 22, 2026 00:00
Announcing the Anthropic Economic Index Survey
What 81,000 people told us about the economics of AI
https://www.anthropic.com/research/81k-economics
Published: April 22, 2026 00:00
What 81,000 people told us about the economics of AI
Automated Alignment Researchers: Using large language models to scale scalable oversight
https://www.anthropic.com/research/automated-alignment-researchers
Published: April 14, 2026 00:00
Automated Alignment Researchers: Using large language models to scale scalable oversight
Trustworthy agents in practice
https://www.anthropic.com/research/trustworthy-agents
Published: April 9, 2026 00:00
Trustworthy agents in practice
Assessing Claude Mythos Preview’s cybersecurity capabilities
https://www.anthropic.com/research/mythos-preview
Published: April 7, 2026 00:00
Assessing Claude Mythos Preview’s cybersecurity capabilities
Emotion concepts and their function in a large language model
https://www.anthropic.com/research/emotion-concepts-function
Published: April 2, 2026 00:00
Emotion concepts and their function in a large language model
How Australia uses Claude: Findings from the Anthropic Economic Index
https://www.anthropic.com/research/how-australia-uses-claude
Published: March 31, 2026 00:00
How Australia uses Claude: Findings from the Anthropic Economic Index
Anthropic Economic Index report: Learning curves
https://www.anthropic.com/research/economic-index-march-2026-report
Published: March 24, 2026 00:00
Anthropic Economic Index report: Learning curves
Vibe physics: The AI grad student
https://www.anthropic.com/research/vibe-physics
Published: March 23, 2026 00:00
Vibe physics: The AI grad student
Introducing our Science Blog
https://www.anthropic.com/research/introducing-anthropic-science
Published: March 23, 2026 00:00
Introducing our Science Blog
Long-running Claude for scientific computing
https://www.anthropic.com/research/long-running-Claude
Published: March 23, 2026 00:00
Long-running Claude for scientific computing
A “diff” tool for AI: Finding behavioral differences in new models
https://www.anthropic.com/research/diff-tool
Published: March 13, 2026 00:00
A “diff” tool for AI: Finding behavioral differences in new models
Reverse engineering Claude's CVE-2026-2796 exploit
https://www.anthropic.com/research/exploit
Published: March 6, 2026 00:00
Reverse engineering Claude's CVE-2026-2796 exploit
Partnering with Mozilla to improve Firefox’s security
https://www.anthropic.com/news/mozilla-firefox-security
Published: March 6, 2026 00:00
Partnering with Mozilla to improve Firefox’s security
Labor market impacts of AI: A new measure and early evidence
https://www.anthropic.com/research/labor-market-impacts
Published: March 5, 2026 00:00
Labor market impacts of AI: A new measure and early evidence
An update on our model deprecation commitments for Claude Opus 3
https://www.anthropic.com/research/deprecation-updates-opus-3
Published: February 25, 2026 00:00
An update on our model deprecation commitments for Claude Opus 3
Anthropic Education Report: The AI Fluency Index
https://www.anthropic.com/research/AI-fluency-index
Published: February 23, 2026 00:00
Anthropic Education Report: The AI Fluency Index
The persona selection model
https://www.anthropic.com/research/persona-selection-model
Published: February 23, 2026 00:00
The persona selection model
Measuring AI agent autonomy in practice
https://www.anthropic.com/research/measuring-agent-autonomy
Published: February 18, 2026 00:00
Measuring AI agent autonomy in practice
India Country Brief: The Anthropic Economic Index
https://www.anthropic.com/research/india-brief-economic-index
Published: February 16, 2026 00:00
India Country Brief: The Anthropic Economic Index
Evaluating and mitigating the growing risk of LLM-discovered 0-days
https://www.anthropic.com/research/zero-days
Published: February 5, 2026 00:00
Evaluating and mitigating the growing risk of LLM-discovered 0-days
How AI assistance impacts the formation of coding skills
https://www.anthropic.com/research/AI-assistance-coding-skills
Published: January 29, 2026 00:00
How AI assistance impacts the formation of coding skills
Disempowerment patterns in real-world AI usage
https://www.anthropic.com/research/disempowerment-patterns
Published: January 28, 2026 00:00
Disempowerment patterns in real-world AI usage
Claude's new constitution
https://www.anthropic.com/news/claude-new-constitution
Published: January 22, 2026 00:00
Claude's new constitution
The assistant axis: situating and stabilizing the character of large language models
https://www.anthropic.com/research/assistant-axis
Published: January 19, 2026 00:00
The assistant axis: situating and stabilizing the character of large language models
AI models are showing a greater ability to find and exploit vulnerabilities on realistic cyber ranges
https://www.anthropic.com/research/cyber-toolkits-update
Published: January 16, 2026 00:00
AI models are showing a greater ability to find and exploit vulnerabilities on realistic cyber ranges
Anthropic Economic Index report: Economic primitives
https://www.anthropic.com/research/anthropic-economic-index-january-2026-report
Published: January 15, 2026 00:00
Anthropic Economic Index report: Economic primitives
Anthropic Economic Index: New building blocks for understanding AI use
https://www.anthropic.com/research/economic-index-primitives
Published: January 15, 2026 00:00
Anthropic Economic Index: New building blocks for understanding AI use
Finding bugs across the Python ecosystem with Claude and property-based testing
https://www.anthropic.com/research/property-based-testing
Published: January 14, 2026 00:00
Finding bugs across the Python ecosystem with Claude and property-based testing
Next-generation Constitutional Classifiers: More efficient protection against universal jailbreaks
https://www.anthropic.com/research/next-generation-constitutional-classifiers
Published: January 9, 2026 00:00
Next-generation Constitutional Classifiers: More efficient protection against universal jailbreaks
Experimenting with AI to defend critical infrastructure
https://www.anthropic.com/research/critical-infrastructure-defense
Published: January 8, 2026 00:00
Experimenting with AI to defend critical infrastructure
Introducing Bloom: an open source tool for automated behavioral evaluations
https://www.anthropic.com/research/bloom
Published: December 19, 2025 00:00
Introducing Bloom: an open source tool for automated behavioral evaluations
Project Vend: Phase two
https://www.anthropic.com/research/project-vend-2
Published: December 18, 2025 00:00
Project Vend: Phase two
Introducing Anthropic Interviewer: What 1,250 professionals told us about working with AI
https://www.anthropic.com/research/anthropic-interviewer
Published: December 4, 2025 00:00
Introducing Anthropic Interviewer: What 1,250 professionals told us about working with AI
How AI is transforming work at Anthropic
https://www.anthropic.com/research/how-ai-is-transforming-work-at-anthropic
Published: December 2, 2025 00:00
How AI is transforming work at Anthropic
AI agents find $4.6M in blockchain smart contract exploits
https://www.anthropic.com/research/smart-contracts
Published: December 1, 2025 00:00
AI agents find $4.6M in blockchain smart contract exploits
Estimating AI productivity gains from Claude conversations
https://www.anthropic.com/research/estimating-productivity-gains
Published: November 25, 2025 00:00
Estimating AI productivity gains from Claude conversations
Mitigating the risk of prompt injections in browser use
https://www.anthropic.com/research/prompt-injection-defenses
Published: November 24, 2025 00:00
Mitigating the risk of prompt injections in browser use
From shortcuts to sabotage: natural emergent misalignment from reward hacking
https://www.anthropic.com/research/emergent-misalignment-reward-hacking
Published: November 21, 2025 00:00
From shortcuts to sabotage: natural emergent misalignment from reward hacking
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