2026
10 Events
2026-04-16model-release

Claude Opus 4.7: Anthropic's Response to the Mythos Crisis

Overview On April 16, 2026, Anthropic released Claude Opus 4.7 — described internally and externally as the company’s latest frontier model, positioned as a “less risky” …

2026-04-08model-release

Meta Muse Spark: First Model Under Alexandr Wang's Leadership

Overview On April 8, 2026, Meta released Muse Spark — its first new foundation model since Alexandr Wang (former CEO of Scale AI) took over Meta’s AI product division in late 2025. …

2026-04-06governance

OpenAI, Anthropic, and Google Form Joint Frontier Model Defense Coalition

Overview In response to the rapid advancement of Chinese AI capabilities — most notably demonstrated by DeepSeek R1 (January 2025) and the “Seven Models in Three Weeks” development …

2026-03-27capability-unlock

Anthropic Mythos: The Model Too Dangerous to Release

Overview On March 27, 2026, internal details of Anthropic’s Mythos model were accidentally leaked online — revealing a model that its creators believed could find and exploit …

2026-03-01historical-milestone

MCP Reaches 97 Million Installs; Linux Foundation Takes Open Governance

Overview By March 2026, Model Context Protocol (MCP) — the open protocol initiated by Anthropic for standardizing how AI models connect to external tools and data sources — had …

2026-02-25model-release

Gemini 3.1 Flash Image: Multimodal Frontier Reaches Vertex AI

Overview On February 25, 2026, Gemini 3.1 Flash Image appeared in Google Vertex AI Catalog — a multimodal model combining text understanding, image analysis, and generation …

2026-02-18capability-unlock

Google Lyria 3: AI Music Generation Comes to Gemini

Overview On February 18, 2026, Google integrated Lyria 3 — its third-generation AI music generation model — directly into the Gemini platform. Users with Gemini access could now …

2026-02-05model-release

Claude 4.6 Updates: Tool Use and Production Capability Refinements

Overview In February 2026, Anthropic shipped two incremental updates to the Claude 4 family: Claude Opus 4.6 — February 5, 2026: Improved tool use, reduced refusals, enhanced …

2026-01-12historical-milestone

Apple Partners with Google Gemini for Next-Generation Siri

Overview On January 12, 2026, Apple confirmed that Google Gemini would power its next-generation Siri AI capabilities, replacing OpenAI’s ChatGPT as the primary AI provider for …

2026-01-01

Event Page Schema

Event Page Schema — AI Chronicles Purpose: This document is the authoritative reference for authoring event pages on ciyuan.website. It defines every frontmatter field, explains …

2025
10 Events
2025-08-07model-release

GPT-5: OpenAI's Most Capable Model and Its AGI Claims

Overview On August 7, 2025, OpenAI released GPT-5 — simultaneously available across ChatGPT (free and paid), the API, and GitHub Models. It was immediately made available at no …

2025-05-22model-release

Claude 4: Anthropic's Agentic Frontier

Overview On May 22–23, 2025, Anthropic released Claude Opus 4 and Claude Sonnet 4 simultaneously — its most capable model family to date. The release marked a definitive shift in …

2025-04-05model-release

Llama 4: Meta Bets on Open Weights and Mixture of Experts

Overview On April 5, 2025 — a Saturday, the unusual timing noted widely as deliberate — Meta released Llama 4, introducing its first models using Mixture-of-Experts (MoE) …

2025-03-25model-release

Gemini 2.5 Pro: Google's Thinking Model Takes the Lead

Overview On March 25, 2025, Google DeepMind released Gemini 2.5 Pro as an “Experimental” preview — Google’s first explicitly designated thinking model, capable of extended …

2025-02-24model-release

Claude 3.7 Sonnet: Anthropic's Extended Thinking Model

Overview On February 24, 2025, Anthropic released Claude 3.7 Sonnet — the first production model to make “extended thinking” a first-class, user-facing feature. Unlike o1/o3’s …

2025-02-10governance

Paris AI Action Summit: A Fractured World Negotiates AI's Future

Overview On February 10–11, 2025, over 1,000 participants from 100+ countries gathered at the Grand Palais in Paris for the AI Action Summit — the third in the series following …

2025-01-31model-release

OpenAI o3-mini: Affordable Reasoning for Everyone

Overview On January 31, 2025, OpenAI released o3-mini — a lightweight reasoning model priced for broad API consumption while maintaining strong performance on STEM benchmarks. The …

2025-01-23capability-unlock

Agentic AI: From Chatbots to Autonomous Actors

Overview In early 2025, AI systems made a qualitative leap: from conversational assistants that answer questions to autonomous agents that take actions. Three landmark releases …

2025-01-20historical-milestone

DeepSeek R1: China's AI Sputnik Moment

Overview On January 20, 2025, the Chinese AI company DeepSeek released R1 — an open-source reasoning model that matched OpenAI’s o1 across standard benchmarks, including …

2025-01-20governance

Trump's AI Deregulation: America Chooses Speed Over Safety

Overview On January 20, 2025 — his first day back in office — President Donald Trump signed Executive Order 14179: “Removing Barriers to American Leadership in Artificial …

2024
12 Events
2024-12-20capability-unlock

OpenAI o3: The ARC-AGI Breakthrough That Stunned the Field

Overview In December 2024, OpenAI released o3 — a model so impressive on the ARC-AGI benchmark that it fundamentally changed how the AI research community evaluated progress toward …

2024-12-11model-release

Gemini 2.0 Flash: Google's Ultra-Fast Multi-Agent Model

Overview On December 11, 2024, Google DeepMind released Gemini 2.0 Flash — a model that prioritized speed, cost efficiency, and native agentic capabilities over raw benchmark …

2024-09-12concept

Inference-Time Scaling: The New Frontier of AI Capability

Overview On September 12, 2024, OpenAI released o1 — a model that introduced a qualitatively different approach to AI capability: instead of scaling training compute, it scaled …

2024-09-12model-release

OpenAI o1 Released

Overview OpenAI o1 (codename Strawberry) is a series of models designed for complex reasoning tasks, achieving major breakthroughs through large-scale reinforcement learning and …

2024-07-29model-release

Mistral Large 2 Released

Overview Mistral Large 2 is Mistral AI’s flagship model achieving near GPT-4o performance with 123B parameters while maintaining open-source customizability. Key Capabilities …

2024-06-20model-release

Claude 3.5 Sonnet: Anthropic's Coding Supremacy

Overview On June 20, 2024, Anthropic released Claude 3.5 Sonnet — a model positioned between the lightweight Claude 3 Haiku and the flagship Claude 3 Opus, but which outperformed …

2024-05-13model-release

GPT-4o Released

Overview GPT-4o (“o” for omni) is OpenAI’s flagship multimodal model, capable of real-time processing and generation of text, audio, and image with seamless modality switching. Key …

2024-04-18model-release

Llama 3 Released

Overview Llama 3 is Meta’s strongest open-source LLM, available in 8B and 70B versions, substantially outperforming its predecessor in reasoning, code generation, and instruction …

2024-03-13governance

EU AI Act: The World's First Comprehensive AI Law

Overview On March 13, 2024, the European Parliament voted 523–46 to adopt the EU Artificial Intelligence Act — the world’s first comprehensive, binding legal framework governing AI …

2024-03-04model-release

Claude 3 Opus Released

Overview Claude 3 Opus is Anthropic’s next-generation large language model, achieving top-tier performance across reasoning, code generation, and multimodal understanding — scoring …

2024-02-15model-release

Sora Released

Overview Sora is OpenAI’s text-to-video LLM capable of generating up to 60 seconds of high-definition video from text descriptions, marking a new era in AI video generation. Key …

2024-02-08model-release

Gemini 1.5 Pro Released

Overview Gemini 1.5 Pro is a multimodal LLM from Google DeepMind that shocked the industry with a breakthrough 1 million token context window. Key Capabilities Ultra-long Context: …