Roboflow

Gemini 3.1 Pro vs GPT-5.2

Gemini 3.1 Pro: 76.8% average across five Vision Evals tasks (#14 of 65 models). We have not run GPT-5.2 through Roboflow's Vision Evals, so there is no head-to-head score. Run both on your own image below.

OpenAI

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GoogleGemini 3.1 Pro
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OpenAIGPT-5.2
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Gemini 3.1 Pro vs GPT-5.2 Comparison Table

Evals updated October 26, 2026Pricing updated November 5, 2026

PropertyGemini 3.1 ProGPT-5.2
OrganizationGoogleOpenAI
Categoryclosedclosed
Modalitymultimodalmultimodal
Release DateFeb 2026Dec 2025
Context Window1.0M400K
ParametersUnknownUnknown
LicenseProprietaryProprietary
Commercial usecommercial use per vendor termscommercial use per vendor terms
Pricing per 1M tokens
Input $/1M$2.00$1.75
Output $/1M$12.00$14.00
Vision Tasks
Both support 10 more tasks
Model Features
Both support 3 more features
Vision Evalsground-truth scores across 5 vision tasks, pooled at low effort
Overall
76.8%
Not evaluated
Avg cost / sample$0.010–
Avg speed / sample8.44s–
By task
Object Detection
67.4%
$0.010
–
Counting
71.6%
$0.0071
–
Identification
100.0%
$0.0070
–
OCR (low)
72.6%
$0.010
–
by category
Single value
67.8%
Transcription
88.5%
Structured JSON
82.0%
Text localization
52.0%
OCR (high)
73.1%
$0.026
–
by category
Single value
68.7%
Transcription
90.8%
Structured JSON
83.9%
Text localization
47.1%
Reasoning (low)
72.2%
$0.012
–
Reasoning (high)
74.8%
$0.021
–

Gemini 3.1 Pro vs GPT-5.2: Overview

Gemini 3.1 Pro

Gemini 3.1 Pro is a proprietary multimodal model from Google’s Gemini 3 series, released in early 2026 and designed for advanced reasoning across large multimodal datasets. It accepts text, images, audio, video, and documents, supporting up to a 1-million-token input context with up to 64k output tokens. Compared with Gemini 3 Pro, it improves long-context synthesis and multi-step reasoning, enabling more reliable analysis of large documents, datasets, and software codebases.

The model also advances visual understanding and grounding, allowing it to interpret UI screenshots, diagrams, and real-world scenes while referencing specific regions within images or video. These capabilities make Gemini 3.1 Pro well suited for multimodal workflows involving document processing, interface analysis, robotics research, and complex visual reasoning.

GPT-5.2

GPT-5.2 is OpenAI’s latest flagship large language model, released in December 2025. It is a proprietary, multimodal system supporting text and vision inputs, along with tool use, and features a 400,000-token context window designed for working with long documents, extended conversations, and complex workflows.

Relative to GPT-5.1, GPT-5.2 is positioned by OpenAI as offering improved long-context reasoning, more capable tool use, and stronger performance on professional tasks such as writing, coding, spreadsheet work, and image interpretation. The model is available in multiple variants (including Instant, Thinking, and Pro) that balance speed, cost, and depth of reasoning, making GPT-5.2 a general-purpose model aimed at reliability and workflow robustness rather than minimal latency or lowest cost.