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ERNIE 4.0 vs UI-TARS 7B

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for ERNIE 4.0 and UI-TARS 7B.

Baidu

ERNIE 4.0

ERNIE 4.0 (文心一言 4.0) is Baidu's most advanced large language model, representing the culmination of Baidu's decades of search and NLP expertise. Built on Baidu's proprietary knowledge-enhanced pre-training architecture, ERNIE 4.0 integrates deep understanding of Chinese language, culture, and domain-specific knowledge. It achieves GPT-4-class performance on comprehensive Chinese-language benchmarks spanning language understanding, reasoning, mathematics, and code generation. ERNIE 4.0 powers Baidu's Wenxin Yiyan consumer chatbot and is available via Baidu AI Cloud API for enterprise integrations.

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ByteDance

UI-TARS 7B

UI-TARS-1.5 is a multimodal vision-language agent optimized for GUI-based environments, including desktop interfaces, web browsers, mobile systems, and games. Built by ByteDance, it builds upon the UI-TARS framework with reinforcement...

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Technical Specifications

SpecificationERNIE 4.0UI-TARS 7B
ProviderBaiduByteDance
Context Window128,000 tokens128,000 tokens
Agent Suitability87/100N/A
Time to First Token (TTFT)380 msN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-08-302025-07-22

API Pricing Comparison

Input Price per Million Tokens

ERNIE 4.0

$1.20

UI-TARS 7B

$0.10

Output Price per Million Tokens

ERNIE 4.0

$2.40

UI-TARS 7B

$0.20

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Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
N/Avs7350.0%
ERNIE 4.0
UI-TARS 7B
HumanEvalPython coding & logic synthesis
N/Avs8020.0%
ERNIE 4.0
UI-TARS 7B
MATHComplex mathematical problem solving
N/Avs4050.0%
ERNIE 4.0
UI-TARS 7B
GPQAGraduate-level expert reasoning
N/Avs3000.0%
ERNIE 4.0
UI-TARS 7B
HellaSwagCommonsense reasoning and inference
N/Avs7800.0%
ERNIE 4.0
UI-TARS 7B
MT-BenchMulti-turn conversation flow quality
N/Avs805.0%
ERNIE 4.0
UI-TARS 7B

ERNIE 4.0 Quirks & Gotchas

  • β–ΈSuperior Chinese-language understanding β€” best-in-class for China-market applications
  • β–ΈAPI requires Baidu Cloud account with Chinese phone verification

UI-TARS 7B Quirks & Gotchas

No developer gotchas reported.