Add Claude Sonnet 4 deprecation (2026-05-06) (#60674)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: sunbrye <56200261+sunbrye@users.noreply.github.com>
Co-authored-by: sunbrye <sunbrye@github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: 3 people

content/admin/data-residency/github-copilot-with-data-residency.md

@@ -54,7 +54,6 @@ The models available for {% data variables.product.prodname_copilot_short %} var
 * GPT-5.2
 * GPT-5.4
 * Claude Haiku 4.5
-* Claude Sonnet 4
 * Claude Sonnet 4.5
 * Claude Opus 4.5
 * Claude Sonnet 4.6

content/copilot/reference/ai-models/model-hosting.md

@@ -57,7 +57,6 @@ Used for:
 * {% data variables.copilot.copilot_claude_opus_46 %}
 * {% data variables.copilot.copilot_claude_opus_46_fast %}
 * {% data variables.copilot.copilot_claude_opus_47 %}
-* {% data variables.copilot.copilot_claude_sonnet_40 %}
 * {% data variables.copilot.copilot_claude_sonnet_46 %}
 
 These models are hosted by Amazon Web Services, Anthropic PBC, and Google Cloud Platform. {% data variables.product.github %} has provider agreements in place to ensure data is not used for training. Additional details for each provider are included below:

data/reusables/copilot/model-compliance/us-models.md

@@ -6,7 +6,6 @@
 * GPT-5.2-Codex
 * GPT-5.3-Codex
 * Claude Haiku 4.5
-* Claude Sonnet 4
 * Claude Sonnet 4.5
 * Claude Opus 4.5
 * Claude Sonnet 4.6

data/reusables/rai/spark-model.md

@@ -1 +1 @@
-> [!NOTE] {% data variables.product.prodname_spark_short %} currently leverages {% data variables.copilot.copilot_claude_sonnet_40 %}. This model is subject to change.
+> [!NOTE] {% data variables.product.prodname_spark_short %} currently leverages {% data variables.copilot.copilot_claude_sonnet_45 %}. This model is subject to change.

data/tables/copilot/annual-subscriber-model-multipliers.yml

@@ -22,10 +22,6 @@
   current_multiplier: '15'
   new_multiplier: '27'
 
-- model: 'Claude Sonnet 4'
-  current_multiplier: '1'
-  new_multiplier: '1'
-
 - model: 'Claude Sonnet 4.5'
   current_multiplier: '1'
   new_multiplier: '6'

data/tables/copilot/model-comparison.yml

@@ -63,11 +63,6 @@
   excels_at: Complex problem-solving challenges, sophisticated reasoning
   further_reading: '[Claude Opus 4.7 model card](https://cdn.sanity.io/files/4zrzovbb/website/037f06850df7fbe871e206dad004c3db5fd50340.pdf)'
 
-- name: Claude Sonnet 4.0
-  task_area: Deep reasoning and debugging
-  excels_at: Performance and practicality, perfectly balanced for coding workflows
-  further_reading: '[Claude Sonnet 4.0 model card](https://www-cdn.anthropic.com/6be99a52cb68eb70eb9572b4cafad13df32ed995.pdf)'
-
 - name: Claude Sonnet 4.5
   task_area: General-purpose coding and agent tasks
   excels_at: Complex problem-solving challenges, sophisticated reasoning

data/tables/copilot/model-deprecation-history.yml

@@ -11,6 +11,10 @@
 # - retirement_date: The official retirement date for the model (YYYY-MM-DD).
 # - suggested_alternative: The model recommended for migration.
 
+- name: 'Claude Sonnet 4'
+  retirement_date: '2026-05-01'
+  suggested_alternative: 'Claude Sonnet 4.6'
+
 - name: 'GPT-5.1'
   retirement_date: '2026-04-15'
   suggested_alternative: 'GPT-5.3-Codex'

data/tables/copilot/model-multipliers.yml

@@ -29,10 +29,6 @@
   multiplier_paid: 15
   multiplier_free: Not applicable
 
-- name: Claude Sonnet 4
-  multiplier_paid: 1
-  multiplier_free: Not applicable
-
 - name: Claude Sonnet 4.5
   multiplier_paid: 1
   multiplier_free: Not applicable

data/tables/copilot/model-release-status.yml

@@ -117,13 +117,6 @@
   ask_mode: true
   edit_mode: true
 
-- name: 'Claude Sonnet 4'
-  provider: 'Anthropic'
-  release_status: 'GA'
-  agent_mode: true
-  ask_mode: true
-  edit_mode: true
-
 - name: 'Claude Sonnet 4.5'
   provider: 'Anthropic'
   release_status: 'GA'

data/tables/copilot/model-supported-clients.yml

@@ -59,15 +59,6 @@
   xcode: true
   jetbrains: true
 
-- name: Claude Sonnet 4
-  dotcom: true
-  cli: true
-  vscode: true
-  vs: true
-  eclipse: true
-  xcode: true
-  jetbrains: true
-
 - name: Claude Sonnet 4.5
   dotcom: true
   cli: true