Roboflow

Gemini 4 Carbon vs GPT-5.4

Gemini 4 Carbon: 89.4% average across five Vision Evals tasks (#1 of 68 models). We have not run GPT-5.4 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 4 Carbon
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OpenAIGPT-5.4
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Gemini 4 Carbon vs GPT-5.4 Comparison Table

Evals updated November 10, 2026Pricing updated November 10, 2026

PropertyGemini 4 CarbonGPT-5.4
OrganizationGoogleOpenAI
Categoryclosedclosed
Modalitymultimodalmultimodal
Release DateNov 2026Mar 2026
Context Window1.0M1.1M
ParametersUnknownUnknown
LicenseProprietaryProprietary
Commercial usecommercial use per vendor termscommercial use per vendor terms
Pricing per 1M tokens
Input $/1MNo published price$2.50
Output $/1MNo published price$15.00
Vision Tasks
Promptable Concept SegmentationDemoNot listed
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
89.4%
Not evaluated
Avg cost / sample$0.0061–
Avg speed / sample8.71s–
By task
Object Detection (low)
84.5%
±0.3, Mean of 3 runs, range 84.2 to 84.8
$0.011
–
Object Detection (high)
85.9%
±0.3, Mean of 3 runs, range 85.6 to 86.2
$0.102
–
Counting (low)
90.1%
±1.4, Mean of 3 runs, range 89.2 to 91.9
$0.0024
–
Counting (high)
86.9%
±2.7, Mean of 3 runs, range 83.8 to 89.2
$0.075
–
Identification (low)
93.8%
±0.0, Mean of 3 runs, range 93.8 to 93.8
$0.0024
–
Identification (high)
96.9%
±0.0, Mean of 3 runs, range 96.9 to 96.9
$0.019
–
OCR (low)
87.2%
$0.0053
–
by category
Single value
80.4%
Transcription
96.6%
Structured JSON
93.0%
Text localization
84.2%
OCR (high)
89.7%
$0.102
–
by category
Single value
85.2%
Transcription
99.1%
Structured JSON
93.9%
Text localization
85.2%
Reasoning (low)
91.4%
±1.7, Mean of 3 runs, range 90.1 to 93.4
$0.0025
–
Reasoning (high)
92.3%
±0.3, Mean of 3 runs, range 92.0 to 92.7
$0.057
–

Gemini 4 Carbon vs GPT-5.4: Overview

Gemini 4 Carbon

Gemini 4 Carbon is a multimodal model from Google. It builds on Gemini 4 Argon and supports reasoning over text and images. Google describes improvements in coding and long-running tasks. Model weights are not publicly released.

GPT-5.4

GPT-5.4 is a proprietary multimodal large language model developed by OpenAI and released on March 5, 2026. It is designed for professional workloads such as advanced software development, research, and agentic automation. The model combines the general reasoning capabilities of the GPT-5 series with software engineering improvements derived from GPT-5.3-Codex. In the API and Codex environments it supports context windows of up to 1 million tokens, enabling long-context reasoning and large-scale code or document workflows.

Compared with GPT-5.2, GPT-5.4 reduces false individual claims by 33% and lowers overall response errors by 18%, improving factual reliability across complex tasks. It is also the first general-purpose OpenAI release with native computer-use capabilities, allowing agents to interact with desktops, browsers, and external applications to complete multi-step workflows. The model family includes three variants: GPT-5.4 (standard), GPT-5.4 Pro for higher-performance workloads, and GPT-5.4 Thinking, a reasoning-oriented version in ChatGPT that presents an upfront plan before generating its response. The API also introduces a Tool Search system that allows models to retrieve tool definitions dynamically, reducing token usage in tool-heavy integrations.