Roboflow

GPT-5.4 vs Qwen3.8 27B

Qwen3.8 27B: 69.5% average across four Vision Evals tasks (#28 of 69 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

Compare GPT-5.4 vs Qwen3.8 27B live

Run the same image across every model that supports a task and compare their outputs side-by-side.

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OpenAIGPT-5.4
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QwenQwen3.8 27B
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GPT-5.4 vs Qwen3.8 27B Comparison Table

Evals updated November 12, 2026Pricing updated November 13, 2026

PropertyGPT-5.4Qwen3.8 27B
OrganizationOpenAIQwen
Categoryclosedopen
Modalitymultimodalmultimodal
Release DateMar 2026Aug 2026
Context Window1.1M262K
ParametersUnknown27.78B
LicenseProprietaryApache 2.0
Commercial usecommercial use per vendor termsfree for commercial use
Pricing per 1M tokens
Input $/1M$2.50$0.150
Output $/1M$15.00$1.88
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
OverallNot evaluated
69.5%*
Quantizationsself-hosted
BF1669.5%FP868.7%AWQ-INT469.5%hardware →
Avg cost / sample–$0.0009
Avg speed / sample–17.99s
By task
Object Detection (low)–
65.7%
±1.0, Mean of 3 runs, range 64.6 to 66.5
$0
Object Detection (high)–
66.1%
±1.4, Mean of 3 runs, range 64.9 to 67.8
$0
Counting (low)–
64.9%
±4.1, Mean of 3 runs, range 60.8 to 68.9
$0
Counting (high)–
68.0%
±2.0, Mean of 3 runs, range 66.2 to 70.3
$0
Identification (low)–
85.4%
±4.7, Mean of 3 runs, range 81.3 to 90.6
$0
Identification (high)–
87.5%
±3.1, Mean of 3 runs, range 84.4 to 90.6
$0
OCR––
by category
Reasoning (low)–
62.0%
±2.0, Mean of 3 runs, range 60.3 to 64.2
$0
Reasoning (high)–
66.0%
±0.7, Mean of 3 runs, range 65.6 to 66.9
$0

GPT-5.4 vs Qwen3.8 27B: Overview

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.

Qwen3.8 27B

Qwen3.8-27B is a dense vision-language model of roughly 27.78 billion parameters from Alibaba's Qwen team, built on the architectural foundation established by the Qwen3.5 generation. It takes interleaved text, image, and video input through an integrated vision encoder and produces text, covering document and chart understanding, visual question answering, front-end code generation from visual references, and agentic computer-use workflows. The decoder is a hybrid stack of 64 layers that repeats a pattern of three Gated DeltaNet linear-attention blocks, each followed by a feed-forward block, then one grouped-query full-attention block, so only a quarter of the layers maintain a conventional key-value cache. Native context length is 262,144 tokens.

Post-training targets long-horizon agentic work, and the model exposes per-request thinking control that lets callers switch reasoning traces on or off and choose a reasoning effort level. Multi-token prediction weights are trained alongside the main network for speculative decoding.

Frequently Asked Questions

GPT-5.4 is released under Proprietary, while Qwen3.8 27B uses Apache 2.0. In practice: GPT-5.4: commercial use per vendor terms; Qwen3.8 27B: free for commercial use. Licensing often matters more than raw accuracy for commercial deployments, so check the terms against how you plan to ship.

Yes. The comparison demo on this page runs both models on the same image side by side for OCR and image captioning in the free Roboflow Playground. You can try it instantly, and a free account unlocks unlimited runs.