GPT-5.1 deprecating 4/15 (#60797)

Author: sunbrye

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

@@ -51,9 +51,6 @@ The models available for {% data variables.product.prodname_copilot_short %} var
 * GPT-4o mini
 * GPT-4.1
 * GPT-5 mini
-* GPT-5.1
-* GPT-5.1-Codex
-* GPT-5.1-Codex-Max
 * GPT-5.2
 * GPT-5.4
 * Claude Haiku 4.5

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

@@ -20,7 +20,6 @@ Used for:
 
 * {% data variables.copilot.copilot_gpt_41 %}
 * {% data variables.copilot.copilot_gpt_5_mini %}
-* {% data variables.copilot.copilot_gpt_51 %}
 * {% data variables.copilot.copilot_gpt_52 %}
 * {% data variables.copilot.copilot_gpt_52_codex %}
 * {% data variables.copilot.copilot_gpt_53_codex %}

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

@@ -2,9 +2,6 @@
 * GPT-4o mini
 * GPT-4o
 * GPT-4.1
-* GPT-5.1
-* GPT-5.1-Codex
-* GPT-5.1-Codex-Max
 * GPT-5.2
 * GPT-5.2-Codex
 * GPT-5.3-Codex

data/tables/copilot/model-comparison.yml

@@ -17,11 +17,6 @@
   excels_at: Fast, accurate code completions and explanations
   further_reading: '[GPT-5 mini model card](https://cdn.openai.com/gpt-5-system-card.pdf)'
 
-- name: GPT-5.1
-  task_area: Deep reasoning and debugging
-  excels_at: Multi-step problem solving and architecture-level code analysis
-  further_reading: '[GPT-5.1 model card](https://cdn.openai.com/pdf/4173ec8d-1229-47db-96de-06d87147e07e/5_1_system_card.pdf)'
-
 - name: GPT-5.2
   task_area: Deep reasoning and debugging
   excels_at: Multi-step problem solving and architecture-level code analysis

data/tables/copilot/model-multipliers.yml

@@ -61,10 +61,6 @@
   multiplier_paid: 0
   multiplier_free: 1
 
-- name: GPT-5.1
-  multiplier_paid: 1
-  multiplier_free: Not applicable
-
 - name: GPT-5.2
   multiplier_paid: 1.0
   multiplier_free: Not applicable

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

@@ -32,13 +32,6 @@
   ask_mode: true
   edit_mode: true
 
-- name: 'GPT-5.1'
-  provider: 'OpenAI'
-  release_status: 'Closing down: 2026-04-15'
-  agent_mode: true
-  ask_mode: true
-  edit_mode: true
-
 - name: 'GPT-5.2'
   provider: 'OpenAI'
   release_status: 'GA'

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

@@ -122,15 +122,6 @@
   xcode: true
   jetbrains: true
 
-- name: GPT-5.1
-  dotcom: true
-  cli: true
-  vscode: true
-  vs: true
-  eclipse: true
-  xcode: true
-  jetbrains: true
-
 - name: GPT-5.2
   dotcom: true
   cli: true

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

@@ -109,14 +109,6 @@
   business: true
   enterprise: true
 
-- name: GPT-5.1
-  free: false
-  student: true
-  pro: true
-  pro_plus: true
-  business: true
-  enterprise: true
-
 - name: GPT-5.2
   free: false
   student: true