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OpenAI GPT 5.2: AI Large Language Models

GPT 5.2 is a lightweight reasoning model with fast response times and deep coding capabilities. Supports image inputs, system prompts, web search capabilities, and reasoning effort control. Pricing: $1.25/M input tokens, $9.00/M output tokens.

Interactive model controls

GPT 5.2 is a lightweight reasoning model with fast response times and deep coding capabilities. Supports image inputs, system prompts, web search capabilities, and reasoning effort control. Pricing: $1.25/M input tokens, $9.00/M output tokens.

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Overview

About this model

GPT 5.2 is a lightweight reasoning model with fast response times and deep coding capabilities. It supports image inputs, system prompts, web search capabilities, and reasoning effort control. Pricing: $1.25 per million input tokens and $9.00 per million output tokens.

1Fast Reasoning: Tackle math, logic, and coding problems with quick turnaround.
2Visual Analysis: Reason over diagrams, charts, and image inputs.
3Web Search: Answer questions with real-time web search integration.
4Controlled Reasoning: Adjust reasoning effort (low, medium, high) to optimize speed vs quality.
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Pricing & Value

Cost analysis

muapiapp$1.25/M input tokens, $9.00/M output tokens

Token-based billing. Minimum $0.00023 per call. ~71% of official input pricing.

OpenAI (official)~$1.75/M input tokens, ~$14.00/M output tokens

Official pricing via api.openai.com.

** Competitor pricing is estimated based on similar model architectures and usage tiers.

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Technical Details

Configuration schema

Promptstring

The user message or instruction.

Default ValueSolve the mathematical equation step-by-step: x^2 + 5x + 6 = 0
Image URLstring

Optional image URL for multimodal requests.

Default Valueundefined
System Promptstring

Optional system-level instruction to guide model behavior.

Default ValueYou are a helpful mathematical tutor.
Web Search Switchboolean

Enable web search capability.

Default Valuefalse
Reasoning EffortEnum (3 options)

Level of reasoning depth: low, medium, or high.

Default Valuehigh
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Implementation Guide

Developer documentation

Standard (Async)

POST /api/v1/gpt-5-2 — returns request_id, poll for result via /api/v1/predictions/{id}/result.

Streaming (SSE)

POST /api/v1/gpt-5-2/stream — returns a live SSE stream. Each chunk: data: {"choices":[{"delta":{"content":"text"}}]}, ending with data: [DONE].

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Common Questions

Frequently asked

How is pricing calculated?

Pricing is token-based: $1.25 per million input tokens and $9.00 per million output tokens. The minimum charge per call is $0.00023. Actual cost is deducted after each call based on token counts returned by the model.

What is the reasoning effort option?

You can control the depth of reasoning by passing a reasoning_effort value of 'low', 'medium', or 'high'. The default value is 'high'.

Does GPT 5.2 support images?

Yes. Pass an image_url in the request body to include an image as part of the user message.