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ERNIE 4.0 vs Kimi K2 Thinking

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 Kimi K2 Thinking.

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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Moonshot AI

Kimi K2 Thinking

Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...

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Technical Specifications

SpecificationERNIE 4.0Kimi K2 Thinking
ProviderBaiduMoonshot AI
Context Window128,000 tokens262,144 tokens
Agent Suitability87/100N/A
Time to First Token (TTFT)380 msN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-08-302025-11-06

API Pricing Comparison

Input Price per Million Tokens

ERNIE 4.0

$1.20

Kimi K2 Thinking

$0.60

Output Price per Million Tokens

ERNIE 4.0

$2.40

Kimi K2 Thinking

$2.50

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/Avs8850.0%
ERNIE 4.0
Kimi K2 Thinking
HumanEvalPython coding & logic synthesis
N/Avs9100.0%
ERNIE 4.0
Kimi K2 Thinking
MATHComplex mathematical problem solving
N/Avs8540.0%
ERNIE 4.0
Kimi K2 Thinking
GPQAGraduate-level expert reasoning
N/Avs5450.0%
ERNIE 4.0
Kimi K2 Thinking
HellaSwagCommonsense reasoning and inference
N/Avs8880.0%
ERNIE 4.0
Kimi K2 Thinking
MT-BenchMulti-turn conversation flow quality
N/Avs922.0%
ERNIE 4.0
Kimi K2 Thinking

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

Kimi K2 Thinking Quirks & Gotchas

No developer gotchas reported.