All Changes
MajorGoogle AIlive-translation
Jun 9, 2026 (UTC)Google AI Pricing Update for Live Translation
Impact
Cost Impact: HighMigration: RecommendedPublished4/5
ImportantAnthropicclaude-fable-5
Jun 9, 2026 (UTC)Anthropic launched Claude Fable 5 for long-running frontier work
Impact
Cost Impact: HighMigration: RecommendedPublished5/5
MajorAnthropicclaude-opus-4-8
May 28, 2026 (UTC)Anthropic upgraded its Opus line to Claude Opus 4.8
Impact
Cost Impact: LowMigration: RecommendedPublished4/5
ImportantGoogle AIgemini-3.5-flash
May 19, 2026 (UTC)Google launched Gemini 3.5 Flash for production agentic workloads
Impact
Cost Impact: HighMigration: RecommendedPublished5/5
MajorAnthropicclaude-opus-4
May 18, 2026 (UTC)New Claude Opus 4.7 Model Released
Impact
Migration: Recommended4/5
MajorGoogle AIgemini-api
May 7, 2026 (UTC)Google AI Interactions API Migration
Impact
Migration: RequiredPublished4/5
MajorDeepSeekdeepseek-v4-pro
Apr 24, 2026 (UTC)DeepSeek launched V4 Pro and V4 Flash with thinking mode controls
Impact
Cost Impact: HighMigration: RecommendedPublished5/5
ImportantOpenAIgpt-5.5
Apr 23, 2026 (UTC)OpenAI introduced GPT-5.5 for ChatGPT, Codex, and upcoming API access
Impact
Cost Impact: HighMigration: RecommendedPublished5/5
MajorAnthropicclaude-opus-4
Apr 20, 2026 (UTC)Claude Opus 4 Model Launch and Legacy Model Migration
Impact
Migration: Recommended3/5
MajorGoogle AIgemini-3-pro
Mar 26, 2026 (UTC)Gemini 3.1 Flash Live model released
Impact
Migration: Recommended3/5
MajorGoogle AIlyria-3
Mar 25, 2026 (UTC)Google AI Launches Lyria 3 Models
Impact
Migration: Recommended4/5
MajorOpenAIgpt-5
Mar 17, 2026 (UTC)New GPT-5.4 Models Released
Impact
Cost Impact: LowMigration: Recommended3/5
MajorOpenAIgpt-5.4-mini
Mar 17, 2026 (UTC)OpenAI launched GPT-5.4 mini and nano for faster high-volume workloads
Impact
Cost Impact: HighPublished4/5
MajorGoogle AIgemini-3.1-flash-lite
Mar 10, 2026 (UTC)Gemini Embedding 2 Model Launch
Impact
Migration: Recommended4/5
MajorOpenAIgpt-5.2
Mar 5, 2026 (UTC)GPT-5.2 Pricing Update and Replacement
Impact
Cost Impact: HighMigration: RecommendedPublished3/5
MajorOpenAIgpt-5.4
Mar 5, 2026 (UTC)OpenAI introduced GPT-5.4 across ChatGPT, Codex, and API
Impact
Cost Impact: HighMigration: RecommendedPublished5/5
MajorGoogle AIgemini-3.1-flash-lite
Mar 3, 2026 (UTC)Gemini 3.1 Flash-Lite launched in preview ($0.25/$1.50 per MTok)
Impact
Cost Impact: HighPublished4/5
MajorOpenAIgpt-5
Feb 24, 2026 (UTC)GPT-5.3 Codex Released
Impact
Migration: Recommended3/5
MajorOpenAIgpt-realtime
Feb 23, 2026 (UTC)New Models Released: gpt-realtime-1.5 and gpt-audio-1.5
Impact
Migration: Recommended3/5
MajorOpenAIresponses-api
Feb 18, 2026 (UTC)OpenAI Adds Multi-agents
Impact
Migration: Recommended3/5