Curiosity · AI Model
Baichuan 4
Baichuan 4 is the 2024 flagship closed LLM from Baichuan Intelligent Technology, a Chinese lab founded by Wang Xiaochuan (ex-Sogou CEO). It offers a 192k context window, strong bilingual performance, and a hosted API oriented toward Chinese enterprise deployments in finance, healthcare, and government.
Model specs
- Vendor
- Baichuan Intelligent
- Family
- Baichuan
- Released
- 2024-05
- Context window
- 192,000 tokens
- Modalities
- text
- Input price
- $14/M tok
- Output price
- $14/M tok
- Pricing as of
- 2026-04-20
Strengths
- Top scores on Chinese benchmarks (C-Eval, CMMLU)
- 192k context window suits long-document enterprise use
- Mature finance/healthcare domain variants available
Limitations
- Proprietary — weights not released (unlike Baichuan2-7B/13B)
- Higher per-token price than Moonshot or DeepSeek alternatives
- No vision or audio modalities
Use cases
- Chinese enterprise chat across finance and healthcare verticals
- Bilingual knowledge assistants for domestic firms
- RAG pipelines that require strong Chinese tokenisation
- Government and regulated-industry deployments
Benchmarks
| Benchmark | Score | As of |
|---|---|---|
| MMLU | ~82% | 2026-04 |
| C-Eval | ~84% | 2026-04 |
| CMMLU | ~83% | 2026-04 |
Frequently asked questions
What is Baichuan 4?
Baichuan 4 is Baichuan Intelligent's flagship closed LLM, with a 192k-token context window and strong Chinese-language performance. It is a common choice for Chinese enterprise AI deployments.
Who founded Baichuan Intelligent?
Baichuan Intelligent Technology was founded in 2023 by Wang Xiaochuan, the former CEO of Chinese search company Sogou. It is among the major 'AI Tiger' labs in China.
Sources
- Baichuan AI platform — accessed 2026-04-20
- Baichuan on HuggingFace — accessed 2026-04-20