All Changes
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New LaunchImportant
Sep 3, 2026 (UTC)OpenAI
gpt-6-astra
OpenAI launches GPT-6 Astra with new pricing tiers
Impact
Cost Impact: HighMigration: Required5/5
DeprecationMajor
Sep 2, 2026 (UTC)Google AI
gemini-3-7-flash
Gemini 3.7 Flash replaced by Gemini 3.8 Flash on pricing page
Impact
Cost Impact: LowMigration: RequiredVerified4/5
DeprecationMajor
Sep 1, 2026 (UTC)Anthropic
claude-haiku-4.5
Anthropic introduces Claude Fable 5.1, replacing Fable 5
Impact
Cost Impact: LowMigration: RecommendedVerified3/5
New LaunchMajor
Aug 27, 2026 (UTC)Google AI
gemini-3-7-flashGemini 3.7 Flash launch with pricing page updates
Impact
Cost Impact: HighMigration: Recommended3/5
New LaunchMajor
Aug 14, 2026 (UTC)Anthropic
claude-codeAnthropic docs page structure update with new model announcements
Impact
Cost Impact: Low3/5
DeprecationMajor
Jul 24, 2026 (UTC)Anthropic
claude-opus-4Claude Opus 4.8 replaced by Claude Opus 5 in model table
Impact
Migration: RecommendedVerified3/5
New LaunchMajor
Jul 21, 2026 (UTC)Google AI
gemini-3-5-flashGoogle AI adds Gemini 3.6 Flash and 3.5 Flash-Lite models
Impact
Cost Impact: HighMigration: Recommended3/5
New LaunchMajor
Jul 15, 2026 (UTC)Anthropic
claude-sonnet-4Claude Mythos 5 limited availability launch with platform reordering
Impact
3/5
New LaunchMajor
Jul 10, 2026 (UTC)Anthropic
claude-opus-4Claude Opus 4.8 migration notice replaces 4.7 reference
Impact
Migration: Recommended3/5
New LaunchImportant
Jul 9, 2026 (UTC)OpenAI
gpt-5.6-solOpenAI launched GPT-5.6 Sol, Terra, and Luna
Impact
Cost Impact: HighMigration: RecommendedVerified5/5
New LaunchMajor
Jul 1, 2026 (UTC)Anthropic
claude-opus-4Anthropic adds Claude Opus 4.8, Sonnet 5, Haiku 4.5 to models table with pricing
Impact
Cost Impact: HighMigration: Recommended3/5
New LaunchMajor
Jun 30, 2026 (UTC)Anthropic
claude-opus-4Claude Sonnet 5 replaces Sonnet 4.6 with new pricing and features
Impact
Cost Impact: HighMigration: Recommended3/5
New LaunchMajor
Jun 30, 2026 (UTC)Google AI
gemini-3.1-flash-liteGoogle AI adds Gemini Omni Flash Preview video model with per-second billing
Impact
Cost Impact: Low3/5
New LaunchImportant
Jun 30, 2026 (UTC)Anthropic
claude-sonnet-5Anthropic launched Claude Sonnet 5 with introductory API pricing
Impact
Cost Impact: HighMigration: RecommendedVerified5/5
New LaunchMajor
Jun 11, 2026 (UTC)Anthropic
claude-opus-4Claude Opus 4.8 removed from models page, Fable 5 and Mythos 5 added
Impact
Cost Impact: LowMigration: Required4/5
Pricing ChangeMajor
Jun 9, 2026 (UTC)Google AI
live-translationGoogle AI Pricing Update for Live Translation
Impact
Cost Impact: HighMigration: RecommendedVerified4/5
New LaunchImportant
Jun 9, 2026 (UTC)Anthropic
claude-fable-5Anthropic launched Claude Fable 5 for long-running frontier work
Impact
Cost Impact: HighMigration: RecommendedVerified5/5
New LaunchMajor
May 28, 2026 (UTC)Anthropic
claude-opus-4-8Anthropic upgraded its Opus line to Claude Opus 4.8
Impact
Cost Impact: LowMigration: RecommendedVerified4/5
New LaunchImportant
May 19, 2026 (UTC)Google AI
gemini-3.5-flashGoogle launched Gemini 3.5 Flash for production agentic workloads
Impact
Cost Impact: HighMigration: RecommendedVerified5/5
New LaunchMajor
May 18, 2026 (UTC)Anthropic
claude-opus-4New Claude Opus 4.7 Model Released
Impact
Migration: Recommended4/5