claude-sonnet-4-6
For claude-sonnet-4-6, provider is Anthropic; human-readable model name is Claude Sonnet 4.6; lifecycle status is Active; shutdown / retirement date is Not sooner than February 17, 2027; platform / deployment scope is Anthropic API / Claude Platform on AWS / Microsoft Foundry, recorded from its source on 2026-08-12.
- Provider
- Anthropic verified
- Model ID / API name
- claude-sonnet-4-6 verified
- Human-readable model name
- Claude Sonnet 4.6
- Lifecycle status
- Active verified
- Shutdown / retirement date
- Not sooner than February 17, 2027 verified
- Platform / deployment scope
- Anthropic API / Claude Platform on AWS / Microsoft Foundry our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
claude-sonnet-4-6 | Active | N/A | Not sooner than February 17, 2027 | claude-sonnet-4-5-20250929 | Active | N/A | Not sooner than September 29, 2026 | claude-sonnet-4-20250514 | Retired | April 14, 2026 | June 15, 2026 | claude-3-7-sonnet-20250219 | Retired | October 28, 2025 | February 19, 2026 | claude-haiku-4-5-20251001 | Active | N/A | Not sooner than October 15, 2026 | claude-3-5-haiku-20241022 | Retired | December 19, 2025 | February 19, 2026 | claude-3-haiku-20240307 | Retired | February 19, 2026 | April 20, 2026 | Deprecation history All deprecations are listed in the following sections, with the most recent announcements first. 2026-06-05: Claude Opus 4.1 model This model was retired August 5, 2026. On June 5, 2026, Anthropic notified developers using Claude Opus 4.1 of its upcoming retirement on the Claude API.
— docs.anthropic.com, retrieved 2026-08-12
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
Provider
docs.anthropic.com says provider is Anthropic, as of 2026-08-12.
claude-sonnet-4-6 | Active | N/A | Not sooner than February 17, 2027 | claude-sonnet-4-5-20250929 | Active | N/A | Not sooner than September 29, 2026 | claude-sonnet-4-20250514 | Retired | April 14, 2026 | June 15, 2026 | claude-3-7-sonnet-20250219 | Retired | October 28, 2025 | February 19, 2026 | claude-haiku-4-5-20251001 | Active | N/A | Not sooner than October 15, 2026 | claude-3-5-haiku-20241022 | Retired | December 19, 2025 | February 19, 2026 | claude-3-haiku-20240307 | Retired | February 19, 2026 | April 20, 2026 | Deprecation history All deprecations are listed in the following sections, with the most recent announcements first. 2026-06-05: Claude Opus 4.1 model This model was retired August 5, 2026. On June 5, 2026, Anthropic notified developers using Claude Opus 4.1 of its upcoming retirement on the Claude API.
https://docs.anthropic.com/en/docs/about-claude/model-deprecations
learn.microsoft.com says provider is Microsoft Azure / Foundry, as of 2026-08-12.
claude-sonnet-4-6 | — | Preview | 2027-02-10 |
https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
Human-readable model name
docs.anthropic.com says human-readable model name is Claude Sonnet 4.6, as of 2026-08-12.
claude-sonnet-4-6 | Active | N/A | Not sooner than February 17, 2027 | claude-sonnet-4-5-20250929 | Active | N/A | Not sooner than September 29, 2026 | claude-sonnet-4-20250514 | Retired | April 14, 2026 | June 15, 2026 | claude-3-7-sonnet-20250219 | Retired | October 28, 2025 | February 19, 2026 | claude-haiku-4-5-20251001 | Active | N/A | Not sooner than October 15, 2026 | claude-3-5-haiku-20241022 | Retired | December 19, 2025 | February 19, 2026 | claude-3-haiku-20240307 | Retired | February 19, 2026 | April 20, 2026 | Deprecation history All deprecations are listed in the following sections, with the most recent announcements first. 2026-06-05: Claude Opus 4.1 model This model was retired August 5, 2026. On June 5, 2026, Anthropic notified developers using Claude Opus 4.1 of its upcoming retirement on the Claude API.
https://docs.anthropic.com/en/docs/about-claude/model-deprecations
learn.microsoft.com says human-readable model name is claude-sonnet-4-6, as of 2026-08-12.
claude-sonnet-4-6 | — | Preview | 2027-02-10 |
https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
Lifecycle status
docs.anthropic.com says lifecycle status is Active, as of 2026-08-12.
claude-sonnet-4-6 | Active | N/A | Not sooner than February 17, 2027 | claude-sonnet-4-5-20250929 | Active | N/A | Not sooner than September 29, 2026 | claude-sonnet-4-20250514 | Retired | April 14, 2026 | June 15, 2026 | claude-3-7-sonnet-20250219 | Retired | October 28, 2025 | February 19, 2026 | claude-haiku-4-5-20251001 | Active | N/A | Not sooner than October 15, 2026 | claude-3-5-haiku-20241022 | Retired | December 19, 2025 | February 19, 2026 | claude-3-haiku-20240307 | Retired | February 19, 2026 | April 20, 2026 | Deprecation history All deprecations are listed in the following sections, with the most recent announcements first. 2026-06-05: Claude Opus 4.1 model This model was retired August 5, 2026. On June 5, 2026, Anthropic notified developers using Claude Opus 4.1 of its upcoming retirement on the Claude API.
https://docs.anthropic.com/en/docs/about-claude/model-deprecations
learn.microsoft.com says lifecycle status is Preview, as of 2026-08-12.
claude-sonnet-4-6 | — | Preview | 2027-02-10 |
https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
Shutdown / retirement date
docs.anthropic.com says shutdown / retirement date is Not sooner than February 17, 2027, as of 2026-08-12.
claude-sonnet-4-6 | Active | N/A | Not sooner than February 17, 2027 | claude-sonnet-4-5-20250929 | Active | N/A | Not sooner than September 29, 2026 | claude-sonnet-4-20250514 | Retired | April 14, 2026 | June 15, 2026 | claude-3-7-sonnet-20250219 | Retired | October 28, 2025 | February 19, 2026 | claude-haiku-4-5-20251001 | Active | N/A | Not sooner than October 15, 2026 | claude-3-5-haiku-20241022 | Retired | December 19, 2025 | February 19, 2026 | claude-3-haiku-20240307 | Retired | February 19, 2026 | April 20, 2026 | Deprecation history All deprecations are listed in the following sections, with the most recent announcements first. 2026-06-05: Claude Opus 4.1 model This model was retired August 5, 2026. On June 5, 2026, Anthropic notified developers using Claude Opus 4.1 of its upcoming retirement on the Claude API.
https://docs.anthropic.com/en/docs/about-claude/model-deprecations
learn.microsoft.com says shutdown / retirement date is 2027-02-10, as of 2026-08-12.
claude-sonnet-4-6 | — | Preview | 2027-02-10 |
https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
Platform / deployment scope
docs.anthropic.com says platform / deployment scope is Anthropic API / Claude Platform on AWS / Microsoft Foundry, as of 2026-08-12.
claude-sonnet-4-6 | Active | N/A | Not sooner than February 17, 2027 | claude-sonnet-4-5-20250929 | Active | N/A | Not sooner than September 29, 2026 | claude-sonnet-4-20250514 | Retired | April 14, 2026 | June 15, 2026 | claude-3-7-sonnet-20250219 | Retired | October 28, 2025 | February 19, 2026 | claude-haiku-4-5-20251001 | Active | N/A | Not sooner than October 15, 2026 | claude-3-5-haiku-20241022 | Retired | December 19, 2025 | February 19, 2026 | claude-3-haiku-20240307 | Retired | February 19, 2026 | April 20, 2026 | Deprecation history All deprecations are listed in the following sections, with the most recent announcements first. 2026-06-05: Claude Opus 4.1 model This model was retired August 5, 2026. On June 5, 2026, Anthropic notified developers using Claude Opus 4.1 of its upcoming retirement on the Claude API.
https://docs.anthropic.com/en/docs/about-claude/model-deprecations
learn.microsoft.com says platform / deployment scope is Azure / Microsoft Foundry, as of 2026-08-12.
claude-sonnet-4-6 | — | Preview | 2027-02-10 |
https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
Sources
- docs.anthropic.comhttps://docs.anthropic.com/en/docs/about-claude/model-deprecations
- learn.microsoft.comhttps://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule