# GPT-4.5

GPT-4.5 مدلی از OpenAI است؛ نخستین‌بار در 2026-10-07 ثبت شد و تاریخ عرضهٔ آن مشخص نشده است.

- توسعه‌دهنده: OpenAI
- Id: gpt-4.5
- طبق گزارش‌ها: 2025-02-27T00:00:00.000Z
- شناسایی: 2026-10-07T18:13:28.058Z
  - [پیوند شواهد](https://help.openai.com/en/articles/6825453-chatgpt-release-notes)
- وضعیت: عرضه‌شده
- به‌روزرسانی محصول: 2025-02-27
  - [پیوند شواهد](https://help.openai.com/en/articles/9624314-model-release-notes)
- اصلی: https://alexgetman.com/fa/models/openai/gpt-4-5/

## پرسش‌ها

### GPT-4.5 چه زمانی عرضه شد؟

تاریخ عرضهٔ آن مشخص نشده است. Signal Forge نخستین‌بار آن را در 2026-10-07 ثبت کرد.

## خط زمانی

- 2026-08-06T17:53:02.905Z · [Alex Getman](https://alexgetman.com/155/openai-is-launching-gpt-6-astra-next-week/)
> 🚨 OpenAI is launching GPT 6 Astra next week
> 
> It is a brand new model trained from scratch and the company’s largest since GPT 4.5. The latest internal build, codenamed mewfour, is already the release candidate.
زمان پیش‌بینی‌شده تأیید نشد؛ به‌عنوان اشاره زودهنگام حفظ شده، نه پیش‌بینی موفق.
- 2026-10-07T18:13:28.058Z · [OpenAI · ChatGPT release notes](https://help.openai.com/en/articles/6825453-chatgpt-release-notes)
- 2026-10-07T18:13:28.058Z · [OpenAI · ChatGPT release notes](https://help.openai.com/en/articles/6825453-chatgpt-release-notes)
> As of June 26, 2026, GPT-4.5 is no longer available in ChatGPT, including for custom GPTs
- 2026-11-05T14:39:16.565Z · [OpenAI · Model release notes](https://help.openai.com/en/articles/9624314-model-release-notes)
> GPT-4.5 is available worldwide for users on the Pro plan in ChatGPT
- 2026-11-05T14:39:16.565Z · [OpenAI · Model release notes](https://help.openai.com/en/articles/9624314-model-release-notes)
- 2026-11-10T17:59:50.472Z · [GitHub · openai/openai-agents-python · code](https://github.com/openai/openai-agents-python/blob/d68961657843c7d81dfc25834484f8aac2957eb3/docs/scripts/translate_docs.py)
> mport ThreadPoolExecutor
> 
> # import logging
> # logging.basicConfig(level=logging.INFO)
> # logging.getLogger("openai").setLevel(logging.DEBUG)
> 
> OPENAI_MODEL = os.environ.get("OPENAI_MODEL", "gpt-5.6-sol")
> 
> ENABLE_CODE_SNIPPET_EXCLUSION = True
> # gpt-4.5 needed this for better quality
> ENABLE_SMALL_CHUNK_TRANSLATION = False
> 
> SEARCH_EXCLUSION = """---
> search:
>   exclude: true
> ---
> """
> 
> 
> # Define the source and target directories
> source_dir = "docs"
> REPO_ROOT = Path(__file__).resolve().parents[2]
> languages = {
>     "ja": "Japanese",
>     "ko": "Korean",
>     "zh": "Chinese",
>     # Add more languages here, e.g., "fr": "French"
> }
> 
> # Initialize OpenAI client
> api_key = os.getenv("OPENAI_API_KEY")
> openai_client = OpenAI(api_key=api_key)
> 
> # Define dictionaries for translation control
> do_not_translate = [
>     "OpenAI",
>     "Agents SDK",
>     "Hello World",
>     "Model context protocol",
>     "MCP",
> 
این اشاره در کد، شناسهٔ مدل مورد استفاده را تأیید نمی‌کند.
- 2026-11-14T00:29:48.887Z · [OpenAI · official articles](https://openai.com/index/introducing-indqa)
- 2026-11-14T02:21:52.804Z · [OpenAI · official articles](https://openai.com/index/gpt-4-1)
> GPT‑4.5 Preview will be turned off in three months, on July 14, 2025, to allow time for developers to transition

## پیوندهای شواهد

- [Alex Getman](https://alexgetman.com/155/openai-is-launching-gpt-6-astra-next-week/)
- [GitHub · openai/openai-agents-python · code](https://github.com/openai/openai-agents-python/blob/d68961657843c7d81dfc25834484f8aac2957eb3/docs/scripts/translate_docs.py)
- [openai-chatgpt-release-notes](https://help.openai.com/en/articles/6825453-chatgpt-release-notes)
- [openai-model-release-notes](https://help.openai.com/en/articles/9624314-model-release-notes)
- [openai-articles](https://openai.com/index/gpt-4-1)
- [openai-articles](https://openai.com/index/introducing-indqa)

## نشانه‌ها