Add OpenAI GPT-5.2 models

[PeterDaveHello]

User description

Register gpt-5.2, gpt-5.2-2025-12-11, and gpt-5.2-chat-latest.

Refs:

• https://openai.com/index/introducing-gpt-5-2/
• https://platform.openai.com/docs/models/gpt-5.2
• https://platform.openai.com/docs/models/gpt-5.2-chat-latest

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PR Type

Enhancement

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Description

• Register three new OpenAI GPT-5.2 model variants

• Add context window configurations for gpt-5.2 models

• gpt-5.2 and gpt-5.2-2025-12-11 support 400K tokens

• gpt-5.2-chat-latest supports 128K tokens

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Diagram Walkthrough

flowchart LR
  A["Model Registry"] -- "add gpt-5.2" --> B["400K tokens"]
  A -- "add gpt-5.2-2025-12-11" --> B
  A -- "add gpt-5.2-chat-latest" --> C["128K tokens"]

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File Walkthrough

	Relevant files
Enhancement	__init__.py Add GPT-5.2 models to token limits registry                            pr_agent/algo/init.py Added three new GPT-5.2 model entries to the model token limits dictionary gpt-5.2 configured with 400K context window gpt-5.2-2025-12-11 configured with 400K context window gpt-5.2-chat-latest configured with 128K context window +3/-0

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[qodo-free-for-open-source-projects]

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PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
Possible issue	Correct inconsistent model token limit Update the token limit for gpt-5.2-chat-latest from 128000 to 400000 to align with other gpt-5.2 models and correct a likely copy-paste error. pr_agent/algo/init.py [42] -'gpt-5.2-chat-latest': 128000, # 128K, but may be limited by config.max_model_tokens +'gpt-5.2-chat-latest': 400000, # 400K, but may be limited by config.max_model_tokens Apply / Chat Suggestion importance[1-10]: 7 __ Why: The suggestion correctly identifies a potential configuration error where the token limit for gpt-5.2-chat-latest is inconsistent with other gpt-5.2 models, which could lead to underutilization of the model's context window.	Medium
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• Author self-review: I have reviewed the PR code suggestions, and addressed the relevant ones.

[naorpeled]

LGTM!
Thanks for your contribution 🙏

[PeterDaveHello]

@naorpeled thanks! Do you also have a minute for #2040? It'll be very helpful to use AI agents to work with the project, thank you.

[naorpeled]

@naorpeled thanks! Do you also have a minute for #2040? It'll be very helpful to use AI agents to work with the project, thank you.

100%, approved and merged 😎