Toy Models of Superposition
Anthropic posted “Toy Models of Superposition.” A quick update for the record.
Artificial Intelligence Blogs
Short posts on models, agents, APIs, and the companies building them
Search results: “Models”
210 entriesNovember 2025
Early experiments in accelerating science with GPT-5
OpenAI announced “Early experiments in accelerating science with GPT-5.” This one looks larger than a routine product note.
A free version of ChatGPT built for teachers
OpenAI posted “A free version of ChatGPT built for teachers.” A quick update for the record.
Claude now available in Microsoft Foundry and Microsoft 365 Copilot
Anthropic posted “Claude now available in Microsoft Foundry and Microsoft 365 Copilot.” A quick update for the record.
OpenAI releases OpenAI for Ireland
OpenAI announced “Introducing OpenAI for Ireland.” This one looks larger than a routine product note.
OpenAI releases group chats in ChatGPT
OpenAI announced “Introducing group chats in ChatGPT.” This one looks larger than a routine product note.
OpenAI releases GPT-5.1 for developers
OpenAI announced “Introducing GPT-5.1 for developers.” This one looks larger than a routine product note.
Neuro drives national retail wins with ChatGPT Business
OpenAI posted “Neuro drives national retail wins with ChatGPT Business.” A quick update for the record.
GPT-5.1: A smarter, more conversational ChatGPT
OpenAI announced “GPT-5.1: A smarter, more conversational ChatGPT.” This one looks larger than a routine product note.
GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum
OpenAI announced “GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum.” This one looks larger than a routine product note.
Free ChatGPT for transitioning U.S. servicemembers and veterans
OpenAI posted “Free ChatGPT for transitioning U.S. servicemembers and veterans.” A quick update for the record.
OpenAI releases IndQA
OpenAI announced “Introducing IndQA.” This one looks larger than a routine product note.
October 2025
gpt-oss-safeguard technical report
OpenAI posted “gpt-oss-safeguard technical report.” A quick update for the record.
OpenAI releases gpt-oss-safeguard
OpenAI announced “Introducing gpt-oss-safeguard.” This one looks larger than a routine product note.
Advancing Claude for Financial Services
Anthropic posted “Advancing Claude for Financial Services.” A quick update for the record.
Steuerrecht.com delivers client-ready legal analysis with ChatGPT
OpenAI posted “Steuerrecht.com delivers client-ready legal analysis with ChatGPT.” A quick update for the record.
Strengthening ChatGPT’s responses in sensitive conversations
OpenAI posted “Strengthening ChatGPT’s responses in sensitive conversations.” A quick update for the record.
Addendum to GPT-5 System Card: Sensitive conversations
OpenAI announced “Addendum to GPT-5 System Card: Sensitive conversations.” This one looks larger than a routine product note.
Claude for Life Sciences
Anthropic posted “Claude for Life Sciences.” A quick update for the record.
September 2025
Anthropic releases Claude 4
Anthropic announced “Introducing Claude 4.” This one looks larger than a routine product note.
August 2025
Nous Research releases Hermes 4
Hermes 4 combined open-weight reasoning with general instruction following across several model sizes.
Detecting and Countering Malicious Uses of Claude
Anthropic posted “Detecting and Countering Malicious Uses of Claude.” A quick update for the record.
June 2025
OpenAI releases o3-pro in the API
A higher-compute o3 variant reached Responses and Batch while standard o3 pricing fell.
GPT-4.1 models gain preference fine-tuning
OpenAI added direct preference optimization fine-tuning for the GPT-4.1 family.
April 2025
o3 and o4-mini arrive in the API
OpenAI released two reasoning models with stronger tool use and visual reasoning.
OpenAI releases the GPT-4.1 API family
GPT-4.1, mini, and nano emphasized coding, instruction following, and a one-million-token context window.
March 2025
OpenAI expands the Audio API
New speech-to-text and text-to-speech models targeted more capable voice agents.
o1-pro becomes available through the API
OpenAI released a higher-compute version of o1 through Responses and Batch.
February 2025
GPT-4.5 enters the API
OpenAI made the GPT-4.5 research preview available to developers.
xAI releases Grok 3 beta
Grok 3 and Grok 3 mini added longer reasoning and were trained with substantially more compute on xAI's Colossus cluster.
December 2024
Deliberative alignment: reasoning enables safer language models
OpenAI posted “Deliberative alignment: reasoning enables safer language models.” A quick update for the record.
Claude is now available in Brazil
Anthropic posted “Claude is now available in Brazil.” A quick update for the record.
Language Models (Mostly) Know What They Know
Anthropic posted “Language Models (Mostly) Know What They Know.” A quick update for the record.
Measuring Progress on Scalable Oversight for Large Language Models
Anthropic posted “Measuring Progress on Scalable Oversight for Large Language Models.” A quick update for the record.
Red Teaming Language Models to Reduce Harms: Methods, Scaling Behaviors, and Lessons Learned
Anthropic posted “Red Teaming Language Models to Reduce Harms: Methods, Scaling Behaviors, and Lessons Learned.” A quick update for the record.
The Capacity for Moral Self-Correction in Large Language Models
Anthropic posted “The Capacity for Moral Self-Correction in Large Language Models.” A quick update for the record.
Towards Measuring the Representation of Subjective Global Opinions in Language Models
Anthropic posted “Towards Measuring the Representation of Subjective Global Opinions in Language Models.” A quick update for the record.
Towards Monosemanticity: Decomposing Language Models With Dictionary Learning
Anthropic posted “Towards Monosemanticity: Decomposing Language Models With Dictionary Learning.” A quick update for the record.
Towards Understanding Sycophancy in Language Models
Anthropic posted “Towards Understanding Sycophancy in Language Models.” A quick update for the record.
OpenAI releases ChatGPT Pro
OpenAI announced “Introducing ChatGPT Pro.” This one looks larger than a routine product note.
November 2024
Data-driven beauty and creativity with ChatGPT
OpenAI posted “Data-driven beauty and creativity with ChatGPT.” A quick update for the record.
Fine-tune Claude 3 Haiku in Amazon Bedrock | Claude by Anthropic
Anthropic announced “Fine-tune Claude 3 Haiku in Amazon Bedrock | Claude by Anthropic.” This one looks larger than a routine product note.
October 2024
Promega’s top-down adoption of ChatGPT accelerates manufacturing, sales, and marketing
OpenAI posted “Promega’s top-down adoption of ChatGPT accelerates manufacturing, sales, and marketing.” A quick update for the record.
OpenAI releases ChatGPT search
OpenAI announced “Introducing ChatGPT search.” This one looks larger than a routine product note.
OpenAI releases SimpleQA
OpenAI announced “Introducing SimpleQA.” This one looks larger than a routine product note.
Simplifying, stabilizing, and scaling continuous-time consistency models
OpenAI posted “Simplifying, stabilizing, and scaling continuous-time consistency models.” A quick update for the record.
Evaluating fairness in ChatGPT
OpenAI posted “Evaluating fairness in ChatGPT.” A quick update for the record.
Model Distillation in the API
OpenAI posted “Model Distillation in the API.” A quick update for the record.
OpenAI releases the Realtime API
OpenAI announced “Introducing the Realtime API.” This one looks larger than a routine product note.
September 2024
Minnesota’s Enterprise Translation Office uses ChatGPT to bridge language gaps
OpenAI posted “Minnesota’s Enterprise Translation Office uses ChatGPT to bridge language gaps.” A quick update for the record.