AI Model Deprecation Calendar

Track when every major LLM API model is deprecated and retired — so a model your product depends on never disappears without warning.

21
Models tracked
2
With a retirement date
2
Currently deprecated
9
Already retired

Deprecation calendar

Sorted by urgency — soonest retirements first. Filter by provider or search.

Model Provider Status Retirement Successor Source
Claude Opus 4 claude-opus-4-20250514 Anthropic deprecated Jun 15, 2026 anthropic/claude-opus-4-7 docs ↗
Claude Sonnet 4 claude-sonnet-4-20250514 Anthropic deprecated Jun 15, 2026 anthropic/claude-sonnet-4-6 docs ↗
GPT-3.5 Turbo gpt-3.5-turbo OpenAI active openai/gpt-4o docs ↗
GPT-4o gpt-4o OpenAI active docs ↗
Claude Opus 4.7 claude-opus-4-7 Anthropic active docs ↗
Claude Sonnet 4.6 claude-sonnet-4-6 Anthropic active docs ↗
Claude Haiku 4.5 claude-haiku-4-5-20251001 Anthropic active docs ↗
Claude Opus 4.6 claude-opus-4-6 Anthropic active docs ↗
Claude Opus 4.5 claude-opus-4-5-20251101 Anthropic active docs ↗
Claude Opus 4.1 claude-opus-4-1-20250805 Anthropic active docs ↗
Claude Sonnet 4.5 claude-sonnet-4-5-20250929 Anthropic active docs ↗
Gemini 2.0 Flash gemini-2.0-flash Google active docs ↗
Gemini 1.0 Pro gemini-1.0-pro Google retired Feb 15, 2025 google/gemini-2_0-flash docs ↗
GPT-4 32K gpt-4-32k OpenAI retired Jun 6, 2025 openai/gpt-4o docs ↗
GPT-4.5 Preview gpt-4.5-preview OpenAI retired Jul 14, 2025 openai/gpt-4o docs ↗
Gemini 1.5 Pro gemini-1.5-pro Google retired Sep 24, 2025 google/gemini-2_0-flash docs ↗
Claude 3.5 Sonnet claude-3-5-sonnet-20241022 Anthropic retired Oct 28, 2025 anthropic/claude-sonnet-4-6 docs ↗
Claude 3 Opus claude-3-opus-20240229 Anthropic retired Jan 5, 2026 anthropic/claude-opus-4-7 docs ↗
Claude Sonnet 3.7 claude-3-7-sonnet-20250219 Anthropic retired Feb 19, 2026 anthropic/claude-sonnet-4-6 docs ↗
Claude Haiku 3.5 claude-3-5-haiku-20241022 Anthropic retired Feb 19, 2026 anthropic/claude-haiku-4-5 docs ↗
Claude 3 Haiku claude-3-haiku-20240307 Anthropic retired Apr 20, 2026 anthropic/claude-haiku-4-5 docs ↗

Recent changes

The latest entries in the change feed. The full history is available via the API.