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Where innovation meets progress

GPT‑4.5

GPT‑4.5

Smarter and Faster GPT‑4-Class AI by OpenAI

What is GPT‑4.5?

GPT‑4.5 is an advanced generative AI model developed by OpenAI, designed to bridge the gap between GPT‑4 and GPT‑5. While OpenAI has not officially released this model as a standalone version, “GPT‑4.5” is widely referred to in the AI community as the turbocharged variant of GPT‑4, used in premium ChatGPT (Pro) and via OpenAI’s API. It supports multimodal input, including text and images, and delivers faster, cheaper, and more context-aware responses than its predecessor.

With improvements in latency, reasoning, and instruction-following, GPT‑4.5 is ideal for developers and teams building next-gen chatbots, code assistants, and knowledge tools.

Key Features of GPT‑4.5

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Improved Reasoning & Accuracy

  • More consistent performance in logic, planning, and multi-turn dialogue compared to GPT‑4.

Multimodal Support

  • Handles both text and image inputs, making it capable of visual reasoning and content understanding.

Faster & Cost-Efficient

  • Reduced latency and optimized token pricing, especially in ChatGPT and OpenAI's API usage.

Extended Context Window

  • Supports larger prompt lengths (up to 128K tokens), useful for documents, transcripts, and large codebases.

API-Friendly & Developer Ready

  • Seamlessly integrates into OpenAI tools like Assistants API, function calling, JSON mode, and streaming.

Ideal for Pro-Level Applications

  • Used in enterprise chatbots, educational platforms, internal copilots, and productivity tools.

Use Cases of GPT‑4.5

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Enterprise Chat & Knowledge Bots

  • Deploy high-quality assistants that understand complex queries and documents in customer support or HR.

Coding & Debugging Tools

  • Build AI copilots for explaining, writing, and debugging code with better speed and fewer hallucinations.

Visual Q&A Systems

  • Enable image-based queries, screenshot explanations, and multimodal task processing in apps.

Long-Context Applications

  • Use GPT‑4.5 for summarizing, answering, or analyzing large texts such as books, legal files, or meeting notes.

AI Agents with Memory

  • Create tools that hold long conversations and maintain context across sessions with extended token capacity.

GPT‑4.5

vs

Other OpenAI Models

Feature GPT-4.5 GPT-4 Turbo GPT-4o GPT-3.5 Turbo
Speed & Latency Improved Fast Fastest Very Fast
Image Input Yes Yes Yes No
Audio/Video Input No No Yes (in apps) No
Token Limit Up to 128K Up to 128K Up to 128K Up to 16K
Cost Efficiency Moderate Optimized High Cheapest
Best Use Case Smart Assistants Coding, Docs Multimodal Agents Lightweight Tasks

The Future

Proof AI for Smarter Interactions

With the rise of multimodal applications, GPT‑4.5 serves as a forward-compatible foundation, capable of adapting to both today's and tomorrow’s AI needs. It powers everything from copilots to internal agents, bringing advanced AI within reach for real use cases. If you’re investing in intelligent systems that need long memory, visual input, or smart planning, GPT‑4.5 is the trusted core model to build on.

Get Started with GPT‑4.5

You can start using GPT‑4.5 by accessing it through OpenAI’s API platform or subscribing to ChatGPT Pro, where it powers most of the advanced features. The model is available under gpt-4-turbo or similar variants and includes support for function calling, JSON formatting, large prompts, and image inputs.

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