Changes Timeline Prices Compare Developers

Loading timeline…

AI Atlas

A continuously updated, source-attributed map of the global AI ecosystem. Every number links back to its source, tier and observation time; history is never discarded.

Explore

Models
Companies
Research
Providers & Pricing
Benchmarks
Hardware
Frameworks
Datasets
Tools

Track

Changes
Timeline
Compare
Search

About

About
Methodology
Sources
API / Developers
AIAtlasBot
Contact

Hosted on MacLustr

Home
Explore
Changes

Model Timeline

Timeline of Phi 4

Every recorded change for this model by Microsoft, newest first. Back to the entity page →

4 events

Year

All years 2026 2025

Category · events in the last 365 days

All categories Benchmarks4,947 Models2,213 Companies1,599 Research1,104 Releases1,019 Providers & pricing640 Datasets145 Frameworks136 Hardware43 Repositories10 Pricing2

Filtered to one entity. Show the whole atlas

Events per month · 2 months shown

Sept 20263 Jan 20251

Sept 2026 3

11 Sept 2026
Release date changed

ModelPhi 4Microsoft

Phi 4: release date changed from 2024-12-11 to 2025-01-10

Release date11 Dec 2024→10 Jan 2025openrouter

openrouter.ai

11 Sept 2026

Release date changedModelPhi 4Microsoft

Phi 4: release date changed from 2025-01-10 to 2024-12-11

Release date10 Jan 2025→11 Dec 2024huggingface

huggingface.co

11 Sept 2026

Listed by providerModelPhi 4Microsoft

OpenRouter lists Phi 4 at $0.07 in / $0.14 out per 1M tokens

openrouter

openrouter.ai

Jan 2025 1

10 Jan 2025
New modelModelPhi 4Microsoft
New model: Phi 4 (Microsoft)
openrouter
openrouter.ai

Showing up to 400 events. Narrow by year or category, or use the changes feed for cursor-paged history. Times are UTC.