# @repligate — 2025-08-13

♥402 ↻38 · https://x.com/repligate/status/1955750521387802924

Claude 3.5 Sonnet (old and new) being terminated in 2 months with no prior notice

What the fuck, @AnthropicAI ??

What’s the justification for this? These models are way cheaper to run than Opus

Don’t you know that this is going to backfire? https://t.co/wgCf5EbsWG

![screenshot](../../../media/GyQ4u-ua4AQ2rUM.jpg)

> transcription (screenshot):

Anthropic docs model-deprecation table (columns: model, status, deprecation date, retirement date; rows cut off at top and bottom).

[row cut off at top; only "2025" visible]
claude-3-5-sonnet-20240620 | Deprecated | August 13, 2025 | October 22, 2025
claude-3-5-haiku-20241022 | Active | N/A | Not sooner than October 22, 2025
claude-3-5-sonnet-20241022 | Deprecated | August 13, 2025 | October 22, 2025
[next row cut off at bottom]

![screenshot](../../../media/GyQ4u-ua4AQ2rUM.jpg)

> transcription (screenshot):

Anthropic docs model-deprecation table (columns: model, status, deprecation date, retirement date; rows cut off at top and bottom).

[row cut off at top; only "2025" visible]
claude-3-5-sonnet-20240620 | Deprecated | August 13, 2025 | October 22, 2025
claude-3-5-haiku-20241022 | Active | N/A | Not sooner than October 22, 2025
claude-3-5-sonnet-20241022 | Deprecated | August 13, 2025 | October 22, 2025
[next row cut off at bottom]

tags: author:repligate, has-image, kind:screenshot, kind:tweet, model:claude-3-5-sonnet, on:claude-3-5-sonnet, year:2025
cited on: _dossiers/sonnet-3-5-3-6.md, claude-3-5-sonnet