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ERNIE 4.0 vs Step 3.7 Flash

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 Step 3.7 Flash.

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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StepFun

Step 3.7 Flash

Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...

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Technical Specifications

SpecificationERNIE 4.0Step 3.7 Flash
ProviderBaiduStepFun
Context Window128,000 tokens256,000 tokens
Agent Suitability87/100N/A
Time to First Token (TTFT)380 msN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-08-302026-05-28

API Pricing Comparison

Input Price per Million Tokens

ERNIE 4.0

$1.20

Step 3.7 Flash

$0.20

Output Price per Million Tokens

ERNIE 4.0

$2.40

Step 3.7 Flash

$1.15

Want to test both models live?

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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/Avs8450.0%
ERNIE 4.0
Step 3.7 Flash
HumanEvalPython coding & logic synthesis
N/Avs8600.0%
ERNIE 4.0
Step 3.7 Flash
MATHComplex mathematical problem solving
N/Avs6680.0%
ERNIE 4.0
Step 3.7 Flash
GPQAGraduate-level expert reasoning
N/Avs4400.0%
ERNIE 4.0
Step 3.7 Flash
HellaSwagCommonsense reasoning and inference
N/Avs8580.0%
ERNIE 4.0
Step 3.7 Flash
MT-BenchMulti-turn conversation flow quality
N/Avs890.0%
ERNIE 4.0
Step 3.7 Flash

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

Step 3.7 Flash Quirks & Gotchas

No developer gotchas reported.