Copilot deprecating o1, GPT-4.5 (#56505)

Co-authored-by: Joe Clark <31087804+jc-clark@users.noreply.github.com>

content/copilot/concepts/copilot-billing/understanding-and-managing-requests-in-copilot.md

@@ -92,7 +92,6 @@ If you use **{% data variables.copilot.copilot_free_short %}**, you have access
 |-------------------------------------------------------------------------|--------------------------------|-----------------------|
 | {% data variables.copilot.copilot_gpt_41 %}                             | 0                              | 1                     |
 | {% data variables.copilot.copilot_gpt_4o %}                             | 0                              | 1                     |
-| {% data variables.copilot.copilot_gpt_45 %}                             | 50                             | Not applicable        |
 | {% data variables.copilot.copilot_claude_sonnet_35 %}                   | 1                              | 1                     |
 | {% data variables.copilot.copilot_claude_sonnet_37 %}                   | 1                              | Not applicable        |
 | {% data variables.copilot.copilot_claude_sonnet_37 %} Thinking          | 1.25                           | Not applicable        |
@@ -100,7 +99,6 @@ If you use **{% data variables.copilot.copilot_free_short %}**, you have access
 | {% data variables.copilot.copilot_claude_opus %}                        | 10                             | Not applicable        |
 | {% data variables.copilot.copilot_gemini_flash %}                       | 0.25                           | 1                     |
 | {% data variables.copilot.copilot_gemini_25_pro %}                      | 1                              | Not applicable        |
-| {% data variables.copilot.copilot_o1 %}                                 | 10                             | Not applicable        |
 | {% data variables.copilot.copilot_o3 %}                                 | 1                              | Not applicable        |
 | {% data variables.copilot.copilot_o3_mini %}                            | 0.33                           | 1                     |
 | {% data variables.copilot.copilot_o4_mini %}                            | 0.33                           | Not applicable        |
@@ -111,6 +109,6 @@ If you use **{% data variables.copilot.copilot_free_short %}**, you have access
 
 Premium request usage is based on the model’s multiplier and the feature you’re using. For example:
 
-* **Using {% data variables.copilot.copilot_gpt_45 %} in {% data variables.copilot.copilot_chat_short %}**: With a 50× multiplier, one interaction counts as 50 premium requests.
+* **Using {% data variables.copilot.copilot_claude_opus %} in {% data variables.copilot.copilot_chat_short %}**: With a 10× multiplier, one interaction counts as 10 premium requests.
 * **Using {% data variables.copilot.copilot_gpt_41 %} on {% data variables.copilot.copilot_free_short %}**: Each interaction counts as 1 premium request.
 * **Using {% data variables.copilot.copilot_gpt_41 %} on a paid plan**: No premium requests are consumed.

content/copilot/get-started/choosing-your-enterprises-plan-for-github-copilot.md

@@ -63,7 +63,7 @@ With {% data variables.copilot.copilot_code-review_short %}, {% data variables.p
 
 {% data reusables.copilot.premium-requests-for-enterprises %}
 
-To decide if you will benefit from a higher allowance for premium requests, compare the goals of your rollout to **development tasks** that each model is specialized in. For example, the o1 model is focused on math and science. Teams who work in specialized areas may require more requests to premium models. To learn about the benefits of different models, see [AUTOTITLE](/copilot/using-github-copilot/ai-models/choosing-the-right-ai-model-for-your-task).
+To decide if you will benefit from a higher allowance for premium requests, compare the goals of your rollout to **development tasks** that each model is specialized in. For example, the {% data variables.copilot.copilot_claude_sonnet_40 %} is designed for advanced reasoning and coding tasks. Teams who work in specialized areas may require more requests to premium models. To learn about the benefits of different models, see [AUTOTITLE](/copilot/using-github-copilot/ai-models/choosing-the-right-ai-model-for-your-task).
 
 Regardless of your plan, you can set a spending limit for premium requests over your plan's allowance. Premium requests over the allowance will be charged at a rate of {% data variables.copilot.additional_premium_requests %} per request, with an additional multiplier applied to certain models.
 

content/copilot/how-tos/administer/enterprises/managing-policies-and-features-for-copilot-in-your-enterprise.md

@@ -49,7 +49,7 @@ You can enable "{% data variables.product.prodname_copilot_short %} in {% data v
 * **{% data variables.product.prodname_copilot_short %} pull request summaries** - {% data variables.product.prodname_copilot_short %} can generate a summary of the changes made in a pull request, as well as a list of impacted files, using natural language. This overview helps reviewers quickly understand the proposed changes.
 * **{% data variables.product.prodname_copilot_short %} knowledge bases** - Organization owners can create knowledge bases consisting of Markdown documentation across one or more repositories, allowing organization members to use that documentation as context when they ask questions in {% data variables.copilot.copilot_chat_dotcom_short %}, {% data variables.copilot.copilot_chat_short %} in {% data variables.product.prodname_vscode %}, and {% data variables.copilot.copilot_chat_short %} in {% data variables.product.prodname_vs %}.
 
-If you enable "{% data variables.product.prodname_copilot_short %} in {% data variables.product.prodname_dotcom_the_website %}", you can also configure additional features:
+If you enable "{% data variables.product.prodname_copilot_short %} in {% data variables.product.prodname_dotcom_the_website %}," you can also configure additional features:
 
 {% data reusables.copilot.policies-for-dotcom %}
 
@@ -87,8 +87,6 @@ Some features of {% data variables.product.prodname_copilot_short %} are availab
 
 ### {% data variables.product.prodname_copilot_short %} access to alternative AI models
 
-> [!NOTE] Support for GPT-4.5 is only available on {% data variables.copilot.copilot_enterprise_short %}.
-
 By default, {% data variables.copilot.copilot_chat_short %} uses an included model. If you grant access to the alternative models, members of your enterprise can choose to use these models rather than the included model. The available alternative models are:
 
 * **{% data variables.copilot.copilot_claude %}**. See [AUTOTITLE](/copilot/using-github-copilot/ai-models/using-claude-in-github-copilot).

content/copilot/how-tos/troubleshoot/troubleshooting-common-issues-with-github-copilot.md

@@ -66,7 +66,7 @@ For more information, see the [{% data variables.copilot.copilot_cli_short %} ex
 
 This error suggests that you have exceeded the rate limit for {% data variables.product.prodname_copilot_short %} requests. {% data variables.product.github %} uses rate limits to ensure everyone has fair access to the {% data variables.product.prodname_copilot_short %}  service and to protect against abuse.
 
-Most people see rate limiting for preview models, like OpenAI’s o1 and o3-mini, which are rate-limited due to limited capacity.
+Most people see rate limiting for preview models, like OpenAI’s {% data variables.copilot.copilot_o3 %} and {% data variables.copilot.copilot_o4_mini %}, which are rate-limited due to limited capacity.
 
 Service-level request rate limits ensure high service quality for all {% data variables.product.prodname_copilot_short %}  users and should not affect typical or even deeply engaged {% data variables.product.prodname_copilot_short %} usage. We are aware of some use cases that are affected by it. {% data variables.product.github %} is iterating on {% data variables.product.prodname_copilot_short %}’s rate-limiting heuristics to ensure it doesn’t block legitimate use cases.
 

content/copilot/reference/ai-models/choosing-the-right-ai-model-for-your-task.md

@@ -23,9 +23,7 @@ Use this table to find a suitable model quickly, see more detail in the sections
 | Model | Task area | Excels at (primary use case) | Additional capabilities |
 |-------|-----------|-------------------------------|--------------------------|
 | {% data variables.copilot.copilot_gpt_41 %} | General-purpose coding and writing | Fast, accurate code completions and explanations | Agent mode, visual |
-| {% data variables.copilot.copilot_gpt_45 %} | Deep reasoning and debugging | Multi-step reasoning and complex code generation | Reasoning |
 | {% data variables.copilot.copilot_gpt_4o %} | General-purpose coding and writing | Fast completions and visual input understanding | Agent mode, visual |
-| {% data variables.copilot.copilot_o1 %} | Deep reasoning and debugging | Step-by-step problem solving and deep logic analysis | Reasoning |
 | {% data variables.copilot.copilot_o3 %} | Deep reasoning and debugging | Multi-step problem solving and architecture-level code analysis | Reasoning |
 | {% data variables.copilot.copilot_o3_mini %} | Fast help with simple or repetitive tasks | Quick responses for code snippets, explanations, and prototyping | Lower latency |
 | {% data variables.copilot.copilot_o4_mini %} | Fast help with simple or repetitive tasks | Fast, reliable answers to lightweight coding questions | Lower latency |
@@ -96,9 +94,7 @@ These models are designed for tasks that require step-by-step reasoning, complex
 
 | Model | Why it's a good fit |
 |-------|---------------------|
-| {% data variables.copilot.copilot_gpt_45 %} | Delivers consistent results for multi-step logic, long-context tasks, and complex reasoning. Ideal for debugging and planning. |
 | {% data variables.copilot.copilot_o3 %} | Strong at algorithm design, system debugging, and architecture decisions. Balances performance and reasoning. |
-| {% data variables.copilot.copilot_o1 %} | Excels at deliberate, structured reasoning and deep analysis. Good for performance tuning and problem-solving. |
 | {% data variables.copilot.copilot_claude_sonnet_37 %} | Provides hybrid reasoning that adapts to both fast tasks and deeper thinking. |
 | {% data variables.copilot.copilot_claude_sonnet_40 %} | Improves on 3.7 with more reliable completions and smarter reasoning under pressure. |
 | {% data variables.copilot.copilot_claude_opus %} | Anthropic’s most powerful model. Strong at strategy, debugging, and multi-layered logic. |

content/copilot/reference/ai-models/supported-ai-models-in-copilot.md

@@ -35,9 +35,7 @@ This table lists the AI models available in {% data variables.product.prodname_c
 | Model name | Provider | Release status | Agent mode | Ask mode | Edit mode |
 |------------|----------|----------------|------------|----------------------|---------------|
 | {% data variables.copilot.copilot_gpt_41 %} | OpenAI | GA | {% octicon "check" aria-label="Included" %} | {% octicon "check" aria-label="Included" %} | {% octicon "check" aria-label="Included" %} |
-| {% data variables.copilot.copilot_gpt_45 %} | OpenAI | {% data variables.release-phases.public_preview_caps %} | {% octicon "x" aria-label="Not included" %} | {% octicon "check" aria-label="Included" %} | {% octicon "check" aria-label="Included" %} |
 | {% data variables.copilot.copilot_gpt_4o %} | OpenAI | GA | {% octicon "check" aria-label="Included" %} | {% octicon "check" aria-label="Included" %} | {% octicon "check" aria-label="Included" %} |
-| {% data variables.copilot.copilot_o1 %} | OpenAI | {% data variables.release-phases.public_preview_caps %} | {% octicon "x" aria-label="Not included" %} | {% octicon "check" aria-label="Included" %} | {% octicon "check" aria-label="Included" %} |
 | {% data variables.copilot.copilot_o3 %} | OpenAI | {% data variables.release-phases.public_preview_caps %} | {% octicon "x" aria-label="Not included" %} | {% octicon "check" aria-label="Included" %} | {% octicon "check" aria-label="Included" %} |
 | {% data variables.copilot.copilot_o3_mini %} | OpenAI | GA | {% octicon "x" aria-label="Not included" %} | {% octicon "check" aria-label="Included" %} | {% octicon "check" aria-label="Included" %} |
 | {% data variables.copilot.copilot_o4_mini %} | OpenAI | {% data variables.release-phases.public_preview_caps %} | {% octicon "x" aria-label="Not included" %} | {% octicon "check" aria-label="Included" %} | {% octicon "check" aria-label="Included" %} |
@@ -60,9 +58,7 @@ The following table shows which models are available in each client.
 | Model                      | {% data variables.product.prodname_dotcom_the_website %} | {% data variables.product.prodname_vscode %} | {% data variables.product.prodname_vs %} | Eclipse | Xcode | JetBrains IDEs |
 |---------------------------|------------|---------|----------------|---------|--------|------------|
 | {% data variables.copilot.copilot_gpt_41 %}                   | {% octicon "check" aria-label="Included" %}           | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}              | {% octicon "check" aria-label="Included" %}       |  {% octicon "check" aria-label="Included" %}     |    {% octicon "check" aria-label="Included" %}       |
-| {% data variables.copilot.copilot_gpt_45 %}         | {% octicon "check" aria-label="Included" %}          | {% octicon "check" aria-label="Included" %}        | {% octicon "check" aria-label="Included" %}              | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}      | {% octicon "check" aria-label="Included" %}          |
 | {% data variables.copilot.copilot_gpt_4o %}                    | {% octicon "check" aria-label="Included" %}          | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}              | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}      |   {% octicon "check" aria-label="Included" %}        |
-| {% data variables.copilot.copilot_o1 %}            | {% octicon "check" aria-label="Included" %}          | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}              | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}      |   {% octicon "check" aria-label="Included" %}        |
 | {% data variables.copilot.copilot_o3 %}              | {% octicon "check" aria-label="Included" %}          | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}              | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}      |   {% octicon "check" aria-label="Included" %}        |
 | {% data variables.copilot.copilot_o3_mini %}                   | {% octicon "check" aria-label="Included" %}          | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}              | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}      |   {% octicon "check" aria-label="Included" %}        |
 | {% data variables.copilot.copilot_o4_mini %}         | {% octicon "check" aria-label="Included" %}          | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}              | {% octicon "check" aria-label="Included" %}       | {% octicon "check" aria-label="Included" %}      |   {% octicon "check" aria-label="Included" %}        |
@@ -93,9 +89,7 @@ For more information about premium requests, see [AUTOTITLE](/copilot/managing-c
 | Model | Multiplier for **paid plans** | Multiplier for **{% data variables.copilot.copilot_free_short %}** |
 |-------|-------------------------------|-------------------------------------------------|
 | {% data variables.copilot.copilot_gpt_41 %} | 0 | 1 |
-| {% data variables.copilot.copilot_gpt_45 %} | 50 | Not applicable |
 | {% data variables.copilot.copilot_gpt_4o %} | 0 | 1 |
-| {% data variables.copilot.copilot_o1 %} | 10 | Not applicable |
 | {% data variables.copilot.copilot_o3 %} | 1 | Not applicable |
 | {% data variables.copilot.copilot_o3_mini %} | 0.33 | 1 |
 | {% data variables.copilot.copilot_o4_mini %} | 0.33 | Not applicable |

content/copilot/tutorials/comparing-ai-models-using-different-tasks.md

@@ -77,7 +77,7 @@ def grant_editor_access(user_id, doc_id):
 
 ## {% data variables.copilot.copilot_o3_mini %}
 
-OpenAI {% data variables.copilot.copilot_o3_mini %} is a fast, cost-effective reasoning model designed to deliver coding performance while maintaining lower latency and resource usage. {% data variables.copilot.copilot_o3_mini %} outperforms {% data variables.copilot.copilot_o1 %} on coding benchmarks with response times that are comparable to o1-mini. {% data variables.product.prodname_copilot_short %} is configured to use OpenAI's "medium" reasoning effort.
+OpenAI {% data variables.copilot.copilot_o3_mini %} is a fast, cost-effective reasoning model designed to deliver coding performance while maintaining lower latency and resource usage. {% data variables.product.prodname_copilot_short %} is configured to use OpenAI's "medium" reasoning effort.
 
 ### Example scenario
 

data/reusables/copilot/available-models-per-plan.md

@@ -3,9 +3,7 @@
 | Available models in chat                                       | {% data variables.copilot.copilot_free_short %} | {% data variables.copilot.copilot_pro_short %} | {% data variables.copilot.copilot_pro_plus_short %} | {% data variables.copilot.copilot_business_short %} | {% data variables.copilot.copilot_enterprise_short %} |
 |----------------------------------------------------------------|--------------------------------------------------|--------------------------------------------------|------------------------------------------------------|-------------------------------------------------------|----------------------------------------------------------|
 | {% data variables.copilot.copilot_gpt_41 %}                    | {% octicon "check" aria-label="Included" %}      | {% octicon "check" aria-label="Included" %}      | {% octicon "check" aria-label="Included" %}         | {% octicon "check" aria-label="Included" %}           | {% octicon "check" aria-label="Included" %}              |
-| {% data variables.copilot.copilot_gpt_45 %}                    | {% octicon "x" aria-label="Not included" %}      | {% octicon "x" aria-label="Not included" %}      | {% octicon "check" aria-label="Included" %}         | {% octicon "x" aria-label="Not included" %}           | {% octicon "check" aria-label="Included" %}              |
 | {% data variables.copilot.copilot_gpt_4o %}                    | {% octicon "check" aria-label="Included" %}      | {% octicon "check" aria-label="Included" %}      | {% octicon "check" aria-label="Included" %}         | {% octicon "check" aria-label="Included" %}           | {% octicon "check" aria-label="Included" %}              |
-| {% data variables.copilot.copilot_o1 %}                        | {% octicon "x" aria-label="Not included" %}      | {% octicon "check" aria-label="Included" %}      | {% octicon "check" aria-label="Included" %}         | {% octicon "check" aria-label="Included" %}           | {% octicon "check" aria-label="Included" %}              |
 | {% data variables.copilot.copilot_o3 %}                        | {% octicon "x" aria-label="Not included" %}      | {% octicon "x" aria-label="Not included" %}      | {% octicon "check" aria-label="Included" %}         | {% octicon "x" aria-label="Not included" %}           | {% octicon "check" aria-label="Included" %}              |
 | {% data variables.copilot.copilot_o3_mini %}                   | {% octicon "check" aria-label="Included" %}      | {% octicon "check" aria-label="Included" %}      | {% octicon "check" aria-label="Included" %}         | {% octicon "check" aria-label="Included" %}           | {% octicon "check" aria-label="Included" %}              |
 | {% data variables.copilot.copilot_o4_mini %}                   | {% octicon "x" aria-label="Not included" %}      | {% octicon "check" aria-label="Included" %}      | {% octicon "check" aria-label="Included" %}         | {% octicon "check" aria-label="Included" %}           | {% octicon "check" aria-label="Included" %}              |

data/variables/copilot.yml

@@ -109,9 +109,7 @@ copilot_gemini_25_pro: 'Gemini 2.5 Pro'
 # OpenAI GPT series:
 copilot_gpt_4o: 'GPT-4o'
 copilot_gpt_41: 'GPT-4.1'
-copilot_gpt_45: 'GPT-4.5'
 # OpenAI 'o' series:
-copilot_o1: 'o1'
 copilot_o3: 'o3'
 copilot_o3_mini: 'o3-mini'
 copilot_o4_mini: 'o4-mini'