AI Changelog

AI Changelog

Your one-stop shop for tracking AI model releases, API updates, and feature launches from the leading providers.

🚀 LiveLast updated December 28, 2025

This Week's Highlights

Anthropic

Claude Opus 4.5 Launch

Anthropic launched Claude Opus 4.5, their most intelligent model combining maximum capability with practical performance.

Read announcement
OpenAI

GPT-5.2 Release

Released GPT-5.2, the newest flagship model in the GPT-5 family with improvements in general intelligence, instruction following, and multimodality.

Read announcement
Google

Gemini 3 Flash

Introduced Gemini 3 Flash, frontier intelligence built for speed.

Read announcement

What We Track

Providers

Anthropic
Claude models and API
OpenAI
GPT models and API
Google
Gemini models and API
StabilityAI
Stable Diffusion and image models
HuggingFace
Open source models and Hub

Update Categories

  • Model Releases - New model families (e.g., GPT-4 → GPT-5)
  • Version Updates - Model iterations (e.g., GPT-4 → GPT-4 Turbo)
  • API Features - New capabilities (vision, streaming, function calling)
  • Pricing Changes - Cost adjustments
  • Performance - Speed/quality improvements
  • Breaking Changes - Migration requirements

Historical Context

2025 Full Year →

Claude 4, GPT-o1, Gemini 2.0, agentic systems

2024 Year Recap →

Claude 3, GPT-4o, Gemini 1.5

Want to see all updates?

Browse the complete timeline of AI model releases, API changes, and feature updates.

Browse Full Timeline