OpenAI

OpenAI: GPT-5.2 Pro

GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning,...

Context Window
400K tokens
Parameters
N/A
Input Price
$21.00/1M
Output Price
$168.00/1M
Price Tier
premium
Provider
OpenAI

How to Use OpenAI: GPT-5.2 Pro

With CoreAI, you can start chatting with OpenAI: GPT-5.2 Pro instantly — no separate subscription needed. CoreAI lets you chat with OpenAI: GPT-5.2 Pro alongside 300+ other AI models from OpenAI and other providers like OpenAI, Anthropic, Google, Meta, and more.

  1. Download the CoreAI app for iOS, Android, or use the Web App
  2. Select OpenAI: GPT-5.2 Pro from the model selector
  3. Start chatting, comparing, or creating with AI

OpenAI: GPT-5.2 Pro at a Glance

OpenAI: GPT-5.2 Pro holds the #160 spot for context size out of 427 chat models in the CoreAI catalog — 400K tokens, roughly 300,000 words or 600 pages of text in a single conversation. On price, it is the #60 cheapest of 64 premium-tier models by input cost. It joined the catalog on 2025-12-10. It supports step-by-step reasoning (thinking mode) and accepts image input.

OpenAI: GPT-5.2 Pro Compared to Its Closest Alternatives

SpecOpenAI: GPT-5.2 ProOpenAI: o3 ProAnthropic: Claude Opus 4.5IBM: Granite 4.0 Micro
ProviderOpenAIOpenAIAnthropicIbm-granite
Input $/1M tokens$21$20$5$0.017
Output $/1M tokens$168$80$25$0.112
Context window400K200K200K131K
Reasoning modeYesYesYesNo
Image inputYesYesYesNo
Price tierpremiumpremiumpremiumbudget

Every model in this table is available on CoreAI — open the web app and run the same prompt through OpenAI: GPT-5.2 Pro and OpenAI: o3 Pro side by side to judge with your own eyes.

What OpenAI: GPT-5.2 Pro Actually Costs in Practice

A typical question (about 1,000 tokens in, 500 out) runs $0.1050 on OpenAI: GPT-5.2 Pro's raw per-token rates; a heavy session with a 50K-token document costs about $1.890. On CoreAI you don't juggle these numbers — one subscription covers OpenAI: GPT-5.2 Pro and 300+ other models under a plan usage limit, with no API keys. See plans.

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Frequently Asked Questions about OpenAI: GPT-5.2 Pro

What is OpenAI: GPT-5.2 Pro's context window?

OpenAI: GPT-5.2 Pro handles 400K tokens of context — roughly 300,000 words, or about 600 pages of text in one conversation.

How much does OpenAI: GPT-5.2 Pro cost?

OpenAI: GPT-5.2 Pro's underlying rates are $21 per 1M input tokens and $168 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.

Can OpenAI: GPT-5.2 Pro process images?

Yes — OpenAI: GPT-5.2 Pro accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.

Does OpenAI: GPT-5.2 Pro support reasoning or thinking mode?

Yes. OpenAI: GPT-5.2 Pro can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.

How can I use OpenAI: GPT-5.2 Pro without an API key?

Open the CoreAI web app or the iOS/Android app, pick OpenAI: GPT-5.2 Pro in the model selector, and chat — no API key, no per-token billing. One subscription covers OpenAI: GPT-5.2 Pro and 300+ other models.

What are the best alternatives to OpenAI: GPT-5.2 Pro?

The closest alternatives on CoreAI are OpenAI: o3 Pro, Anthropic: Claude Opus 4.5, IBM: Granite 4.0 Micro — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.

Read More about OpenAI: GPT-5.2 Pro

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