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.
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 | active | — | — | docs ↗ ✓ | |
Gemini 1.0 Pro gemini-1.0-pro | 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 | 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 ↗ ✓ |
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Recent changes
The latest entries in the change feed. The full history is available via the API.
- Jun 15, 2026
retirement
Claude Opus 4 API access ends. source ↗ - Jun 15, 2026
retirement
Claude Sonnet 4 API access ends. source ↗ - Apr 20, 2026
retirement
Claude 3 Haiku API access ends. source ↗ - Apr 16, 2026
model launched
Claude Opus 4.7 became available. source ↗ - Apr 14, 2026
deprecation announced
Claude Opus 4 was marked deprecated. source ↗ - Apr 14, 2026
deprecation announced
Claude Sonnet 4 was marked deprecated. source ↗ - Feb 19, 2026
deprecation announced
Claude 3 Haiku was marked deprecated. source ↗ - Feb 19, 2026
retirement
Claude Sonnet 3.7 API access ends. source ↗