ERNIE 4.0 vs Hunyuan Pro
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 Hunyuan Pro.
ERNIE 4.0
ERNIE 4.0 (ζεΏδΈθ¨ 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.
Hunyuan Pro
Hunyuan Pro (ζ··ε Pro) is Tencent's flagship large language model developed by Tencent AI Lab, designed to power AI features across Tencent's vast ecosystem including WeChat, QQ, and enterprise cloud services. It achieves top-tier performance on Chinese-language benchmarks and strong multilingual capabilities, with native support for text, image, and video understanding. Hunyuan Pro is deployed at massive scale across Tencent's advertising, content recommendation, and customer service systems, processing billions of inference requests daily.
Technical Specifications
| Specification | ERNIE 4.0 | Hunyuan Pro |
|---|---|---|
| Provider | Baidu | Tencent |
| Context Window | 128,000 tokens | 256,000 tokens |
| Agent Suitability | 87/100 | 85/100 |
| Time to First Token (TTFT) | 380 ms | 320 ms |
| Deployment Model | managed api | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-08-30 | 2025-11-01 |
API Pricing Comparison
Input Price per Million Tokens
ERNIE 4.0
$1.20
Hunyuan Pro
$0.60
Output Price per Million Tokens
ERNIE 4.0
$2.40
Hunyuan Pro
$1.20
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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.
ERNIE 4.0 Quirks & Gotchas
- βΈSuperior Chinese-language understanding β best-in-class for China-market applications
- βΈAPI requires Baidu Cloud account with Chinese phone verification
Hunyuan Pro Quirks & Gotchas
- βΈMassive daily inference volume β battle-tested at WeChat scale
- βΈAPI available through Tencent Cloud β requires Chinese enterprise account