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Update claude-api skill: mark four retired model IDs as retired
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‎skills/claude-api/shared/model-migration.md‎

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@@ -206,6 +206,10 @@ These models return 404 - update immediately:
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| Retired model | Retired | Drop-in replacement |
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| ----------------------------- | ------------- | -------------------- |
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| `claude-opus-4-1-20250805` | Aug 5, 2026 | `claude-opus-4-8` |
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| `claude-opus-4-20250514` | Jun 15, 2026 | `claude-opus-4-8` |
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| `claude-sonnet-4-20250514` | Jun 15, 2026 | `claude-sonnet-5` |
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| `claude-3-haiku-20240307` | Apr 19, 2026 | `claude-haiku-4-5` |
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| `claude-3-7-sonnet-20250219` | Feb 19, 2026 | `claude-sonnet-5` |
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| `claude-3-5-haiku-20241022` | Feb 19, 2026 | `claude-haiku-4-5` |
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| `claude-3-opus-20240229` | Jan 5, 2026 | `claude-opus-4-8` |
@@ -214,14 +218,6 @@ These models return 404 - update immediately:
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| `claude-3-sonnet-20240229` | Jul 21, 2025 | `claude-sonnet-5` |
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| `claude-2.1`, `claude-2.0` | Jul 21, 2025 | `claude-sonnet-5` |
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## Deprecated Models (retiring soon)
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| Model | Retires | Replacement |
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| ----------------------------- | ------------- | -------------------- |
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| `claude-3-haiku-20240307` | Apr 19, 2026 | `claude-haiku-4-5` |
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| `claude-opus-4-20250514` | June 15, 2026 | `claude-opus-4-8` |
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| `claude-sonnet-4-20250514` | June 15, 2026 | `claude-sonnet-5` |
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---
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## Breaking Changes by Source Model

‎skills/claude-api/shared/models.md‎

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@@ -86,21 +86,16 @@ curl https://api.anthropic.com/v1/models/claude-opus-4-8 \
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| Friendly Name | Alias (use this) | Full ID | Status |
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|-------------------|---------------------|-------------------------------|--------|
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| Claude Opus 4.5 | `claude-opus-4-5` | `claude-opus-4-5-20251101` | Active |
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| Claude Opus 4.1 | `claude-opus-4-1` | `claude-opus-4-1-20250805` | Deprecated (retires 2026-08-05 - migrate to `claude-opus-5`) |
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| Claude Sonnet 4.5 | `claude-sonnet-4-5` | `claude-sonnet-4-5-20250929` | Active |
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## Deprecated Models (retiring soon)
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| Friendly Name | Alias (use this) | Full ID | Status | Retires |
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|-------------------|---------------------|-------------------------------|------------|--------------|
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| Claude Sonnet 4 | `claude-sonnet-4-0` | `claude-sonnet-4-20250514` | Deprecated | TBD |
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| Claude Opus 4 | `claude-opus-4-0` | `claude-opus-4-20250514` | Deprecated | TBD |
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| Claude Haiku 3 | - | `claude-3-haiku-20240307` | Deprecated | Apr 19, 2026 |
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## Retired Models (no longer available)
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| Friendly Name | Full ID | Retired |
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|-------------------|-------------------------------|-------------|
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| Claude Opus 4.1 | `claude-opus-4-1-20250805` | Aug 5, 2026 |
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| Claude Sonnet 4 | `claude-sonnet-4-20250514` | Jun 15, 2026 |
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| Claude Opus 4 | `claude-opus-4-20250514` | Jun 15, 2026 |
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| Claude Haiku 3 | `claude-3-haiku-20240307` | Apr 19, 2026 |
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| Claude Sonnet 3.7 | `claude-3-7-sonnet-20250219` | Feb 19, 2026 |
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| Claude Haiku 3.5 | `claude-3-5-haiku-20241022` | Feb 19, 2026 |
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| Claude Opus 3 | `claude-3-opus-20240229` | Jan 5, 2026 |
@@ -127,16 +122,16 @@ When a user asks for a model by name, use this table to find the correct model I
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| "opus 4.7" | `claude-opus-4-7` |
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| "opus 4.6" | `claude-opus-4-6` |
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| "opus 4.5" | `claude-opus-4-5` |
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| "opus 4.1" | `claude-opus-4-1` (deprecated, retires 2026-08-05 - suggest `claude-opus-5`) |
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| "opus 4", "opus 4.0" | `claude-opus-4-0` (deprecated - suggest `claude-opus-5`) |
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| "opus 4.1" | Retired - suggest `claude-opus-5` |
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| "opus 4", "opus 4.0" | Retired - suggest `claude-opus-5` |
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| "sonnet", "balanced" | `claude-sonnet-5` |
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| "sonnet 5" | `claude-sonnet-5` |
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| "sonnet 4.6" | `claude-sonnet-4-6` |
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| "sonnet 4.5" | `claude-sonnet-4-5` |
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| "sonnet 4", "sonnet 4.0" | `claude-sonnet-4-0` (deprecated - suggest `claude-sonnet-5`) |
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| "sonnet 4", "sonnet 4.0" | Retired - suggest `claude-sonnet-5` |
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| "sonnet 3.7" | Retired - suggest `claude-sonnet-5` |
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| "sonnet 3.5" | Retired - suggest `claude-sonnet-5` |
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| "haiku", "fast", "cheap" | `claude-haiku-4-5` |
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| "haiku 4.5" | `claude-haiku-4-5` |
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| "haiku 3.5" | Retired - suggest `claude-haiku-4-5` |
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| "haiku 3" | Deprecated - suggest `claude-haiku-4-5` |
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| "haiku 3" | Retired - suggest `claude-haiku-4-5` |

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