GPT-5.5 Pro is a model in the OpenAI GPT-5.5 series designed for more difficult problems and work requiring greater accuracy. It is suitable for research argumentation, professional analysis, and document tasks that require repeated review. Its value is not merely in generating longer answers, but in organizing judgments around complex materials, checking assumptions, and proposing directions for further analysis. On this platform, these capabilities can be integrated into workflows through text-and-image conversations or continuous Q&A.
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.
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-5.5-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.
Clarify capacity, input/output, and invocation methods before selecting a model.
Pro's public positioning emphasizes high difficulty and accuracy; the input and invocation methods above correspond to this platform's interfaces, and control parameters should be used according to the applicable scope of the selected interface.
Learn what gpt-5.5-pro can bring to your work.
For business, legal, educational, or data science questions, GPT-5.5 Pro is well suited to organizing background, constraints, and grounds for judgment into a complete analysis. Ask it to separately list conclusions, conditions under which they hold, and counterexamples to avoid treating fluent wording as sufficient argumentation, so subsequent review can focus on the factors that truly affect decisions.
It is suitable for continuous iteration around the same research question: first review a manuscript, then stress-test the technical argument, and then propose an analysis plan. Providing code, notes, and organized materials allows each round of discussion to proceed from specific hypotheses, gradually producing revision feedback and a checklist for the next validation steps.
Visual and reasoning capabilities allow images to be analyzed together with textual questions. When submitting charts or page screenshots, add metric definitions, task objectives, and areas that need attention, then ask the model to distinguish visible content in the image from inferences. Output is primarily textual analysis, making it suitable for continued follow-up questions and human review.
Start with specific tasks to find where the model can be effective.
Provide manuscript sections, methodological descriptions, and key charts, and ask it to check whether the argument is complete, whether the experimental design supports the conclusions, and to identify alternative explanations. Deliverables can include review comments organized by section, a list of analyses to add, and a revision outline, then address each item through multiple rounds of discussion.
Organize business background, policy provisions, and alternative options into text, specify the audience and evaluation criteria, and have the model generate a memo containing rationale, trade-offs, and unresolved questions. This is suitable for professional communication requiring detailed explanation; when legal judgment is involved, treat the result as a draft for review rather than final advice.
Provide field descriptions, data summaries, existing code, and research hypotheses, and ask it to propose analysis steps, check potential confounding factors, and explain the results. Deliverables can include an analysis plan, code modification suggestions, and a report outline; computations should be run in an actual execution environment, then bring the results back into the conversation for further review.
Choose based on task complexity, input materials, and expected results.
When you need to make a more thorough case for highly difficult questions or conduct multi-round research reviews, GPT-5.5 Pro may be the preferred choice. For general tasks, you can also test GPT-5.5 and decide whether to use Pro based on actual delivery quality. Pro does not mean it is stronger for every task; when comparing, look at omissions, errors, and revision burden rather than answer length.
Public descriptions of GPT-5.5 Pro emphasize more comprehensive, better-structured professional answers, and research evaluations also show improvements on some tasks, but it does not lead consistently on every metric. If you already have a GPT-5.4 Pro workflow, compare using the same set of drafts, technical questions, and acceptance criteria before deciding whether to switch.
Based on the characteristics of gpt-5.5-pro, first validate a small task whose results can be checked.
You can ask directly: Review this research draft, check the evidence, reasoning, and strength of conclusions item by item, identify the counterexamples most likely to affect the conclusions, and suggest directions for additional analysis.
Keep the original data and citations; long chains of reasoning should be checked independently, and greater business accuracy should not be inferred from longer answers.
Use the full model ID gpt-5.5-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 evaluate with the same set of real samples to determine whether it is suitable for continued use.
Before formal use, understand output quality and the scope of capabilities.
Answers to common questions about using gpt-5.5-pro.
Pro is designed for harder problems and higher-accuracy work, making it suitable for complex research, detailed reasoning, and professional review. When choosing, compare correctness, completeness, and the number of revisions for the same task, rather than assuming Pro is better than the standard version for every task.
You can ask questions using both images and text. In Chat Completions, submit images using text content and image_url, and specify the analysis goal. For data-dense charts, it is best to also provide the raw data to distinguish visual observations from calculated conclusions.
When using Chat Completions, include relevant history in messages; when using Responses, organize input and related conversation content by document. In each round, provide the latest materials, revision goals, and key constraints; for longer tasks, retain interim summaries and a final version that can be checked independently.
Use Chat Completions or Responses and provide the full model ID. Chat Completions uses messages and choices, while Responses uses input and the corresponding response structure; handle history management, streaming events, and tool parameters separately according to the selected interface, and do not mix the two formats.
It can propose analysis approaches, explain code, and review calculation results, but a text response does not mean code has been executed. When reliable numbers are needed, run the analysis in a computing environment, return the output, errors, and data summaries to the model, then check whether the methods and conclusions are consistent.
Choose a development approach or application suited to this model and follow its setup guide.
↗OpenAI Chat Completions API
SDK installation, authentication and examples↗OpenAI Responses API
SDK installation, authentication and examples
↗Using Ace Data Cloud with Cherry Studio
Chat client setup · Base URL, API key and model
↗Using Ace Data Cloud with ChatBox
Chat client setup · Base URL, API key and modelInput
$6.00per 1M tokens
Official $30.00
Output
$36.00per 1M tokens
Official $180.00
You pay$13,584for 142,800 credits · $0.0951 / credits46% OFF
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This is only a basic call example. See the full docs for more parameters and advanced usage.
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