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gpt-5.4-pro

OpenAIChatVisionReasoning
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gpt-5.4-pro

Deep reasoning and multimodal analysis model for complex professional tasks

gpt-5.4-pro is the Pro model in OpenAI's GPT‑5.4 series for complex tasks, suited to scientific questions, mathematical derivations, research synthesis, and professional analysis requiring careful trade-offs. It supports text and image understanding, with a focus not merely on generating answers, but on organizing analysis and conclusions around constraints. When choosing it, prioritize problem difficulty and delivery quality rather than assuming Pro is better for every task.

OpenAIModel brand
ChatModel type
Vision understanding, reasoningTask capabilities
STANDARD APIs · QUICK SETUP

Keep your SDK. Connect in minutes.

Point the Base URL to api.acedata.cloud, configure your platform API key and the model ID below, and use your compatible SDK or client.

API hostapi.acedata.cloud
modelgpt-5.4-pro
OpenAI Python SDK
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["ACEDATACLOUD_API_KEY"],
    base_url="https://api.acedata.cloud/v1",
)
response = client.responses.create(
    model="gpt-5.4-pro",
    input="Hello!",
)
print(response.output_text)

Choose an available protocol for this model. OpenAI SDK uses a Base URL ending in /v1; Anthropic SDK uses the root URL. See each guide for protocol-specific parameters, tools and response formats.

Specifications and interface features

Clarify capacity, input/output, and invocation methods before choosing a model.

Model identity
OpenAI GPT‑5.4 Pro; invocation ID: gpt-5.4-pro
Input and delivery
Text and image understanding; text analysis and answers as the primary deliverable
Professional reasoning evaluation
Official GPQA Diamond: 94.4%
Advanced mathematics evaluation
Official FrontierMath Tier 4: 38.0%
Abstract reasoning evaluation
Official ARC-AGI-2 (Verified): 83.3%
Invocation methods
Chat Completions or Responses
Interface controls
Provides fields related to reasoning, output budgets, streaming, and tool calls
Native context window
1,050,000 tokens
Native maximum output
128,000 tokens

Evaluation figures are official research test results; this platform's input organization and control methods depend on the selected interface and do not guarantee success on actual tasks.

Core Capabilities

Learn what gpt-5.4-pro can bring to your work.

Reasoning Designed for Tackling Difficult Problems

Pro's value lies in complex reasoning. Official scientific Q&A, advanced mathematics, and abstract reasoning tests demonstrate this positioning. When faced with problems involving interdependent constraints, you can ask it to list assumptions first, then compare solutions, check boundaries, and finally provide conclusions and items to verify, making the output easier for professionals to review.

Incorporate Images into the Analysis Process

Text-based questions can be submitted together with charts, page screenshots, or diagrams, allowing the model to explain and reason using visible information. This is suitable for asking specific questions about relationships, labels, and changes in an image. Image understanding ultimately delivers textual analysis; visual capabilities should not be understood as automatically generating images or operating software shown in an image.

Organize Deliverables for Research Synthesis

The official BrowseComp test demonstrates Pro's performance when working with search tools to complete complex retrieval tasks. In practical research, you can build a question list around the materials, ask it to distinguish facts, inferences, and assumptions, and summarize conclusions by topic. When real-time information is needed, retrieval workflows should be explicitly configured rather than relying on the model to know the latest changes on its own.

Use Cases

Start with specific tasks to find where the model can be most effective.

Reviewing Science and Mathematics Problems

Provide the problem, known conditions, existing derivations, and points of doubt, and ask the model to identify skipped steps in the argument, compare different solutions, and propose counterexamples or boundary conditions. Deliverables can include step-by-step solutions, an error list, and a verification plan; key proofs and calculations should still be checked through independent methods to avoid judging correctness solely by fluent presentation.

Analyzing Complex Professional Materials

Provide business rules, report excerpts, and analysis objectives together, and ask the model to produce a decision memo, option comparison, or issue list. Prompts can specify evaluation dimensions, source material numbers, and conclusion formats, so that deliverables are built around traceable evidence rather than filling in numbers or business context not provided by the materials.

Chart and Screenshot-Assisted Assessment

Submit chart images and related explanations, and define tasks around anomalous changes, metric relationships, or page issues. You can ask for observations, possible explanations, and recommended next verification steps, while specifying which information comes from the image and which is speculation. For dense tables or screenshots with small text, crop key areas first to improve input readability.

How to choose this model

Choose based on task complexity, input materials, and expected results.

Choose between it and gpt-5.4 based on the task

When a task leans toward advanced mathematics, scientific question answering, or abstract reasoning, you can try Pro first; if it mainly involves standard professional writing and modeling, there is no need to upgrade based on the name alone. In the official GDPval, Pro scored 82.0% and the standard version scored 83.0%, indicating that Pro does not lead on every task. Use real examples to compare correctness, rework required, and suitability for delivery.

Choose an entry point based on integration depth

Use Chat Completions or Responses and provide the full model ID. Chat Completions uses messages and choices, while Responses uses input and its corresponding response structure; handle history management, streaming events, and tool parameters separately for the selected interface, without mixing the two formats.

Start with a specific task

Based on the characteristics of gpt-5.4-pro, first validate a small task whose results can be checked.

01

Complex mathematics and professional solution review

You can ask directly: Review this model derivation for definitions, boundary conditions, and numerical stability; propose counterexamples and validation methods, then compare alternative approaches.

02

Prepare inputs that support judgment

The question needs sufficient material and checkable conditions; prepare timeout handling for longer responses, and verify key derivations.

03

Then integrate it into your workflow

Use the full model ID gpt-5.4-pro, first confirm the public request format and available parameters on the API page, then connect your application. Retain result parsing, exception handling, and relevant evidence, and use the same set of real samples to evaluate whether it is suitable for ongoing use.

Usage limitations

Before formal use, understand the scope of output quality and capabilities.

  • Pro does not mean every answer is more reliable. Complex proofs, scientific explanations, and professional conclusions can still be wrong; require assumptions and validation steps to be listed. Official evaluations are useful for understanding capability directions, but should not be converted into an accuracy rate for a particular business scenario, nor treated as a quality guarantee for every request.
  • Image understanding depends on whether the input is clear. Small text, occlusion, blurry curves, and charts without units can affect judgment; provide additional textual context and retain key annotations. Recognizing a screenshot does not mean the model has accessed the corresponding website, nor that it can directly click or modify the page.
  • Tool calls require the application to execute them and return the results to the model; ordinary questions do not automatically run code or complete computer operations. Audio, drawing, and direct file handling are also not workflows promised by this introduction; for document analysis, you can first use extracted text or clear page images.

Frequently Asked Questions

Answers to common questions about using gpt-5.4-pro.

Is gpt-5.4-pro the same as GPT‑5.4 Thinking?

No. GPT‑5.4 Thinking is the name of a related product in ChatGPT, while gpt-5.4-pro corresponds to the GPT‑5.4 Pro API model. You should choose based on Pro's task positioning, and not treat ChatGPT's interactive interface, subscription benefits, or mid-task adjustment features as API capabilities.

Is Pro always more suitable than gpt-5.4 for office tasks?

Not necessarily. In official professional work tests, the standard version outperformed Pro on some items, while Pro stood out in difficult mathematics, scientific Q&A, and abstract reasoning tasks. For office use, focus on the actual task: how complex the materials are, how high the cost of errors is, and whether the results reduce subsequent revisions.

How do I submit image questions to gpt-5.4-pro?

With Chat Completions, you can combine text and image_url in message content, while clearly specifying the object to analyze and the output requirements. Provide clear images and necessary context, especially chart units, abbreviations, and time ranges; image input is for understanding and analysis, not the same as a drawing request.

Does calling Pro search the internet by default?

No. Selecting Pro alone does not provide real-time retrieval by default. Official search evaluations were conducted in environments with search tools available. When you need up-to-date information, configure an available retrieval tool or submit the retrieved materials to the model, and ask the response to distinguish source conclusions from inferences while retaining verifiable citations.

How do I use gpt-5.4-pro for multi-turn conversations?

When using Chat Completions, put relevant history into messages; when using Responses, organize input and related conversation content according to the documentation. In each turn, provide the latest materials, revision goals, and key constraints; for longer tasks, retain interim summaries and a final version that can be checked independently.