# Baichuan — AI Compare Ninja

> Chinese model API with CNY token pricing and separate search charges; Baixiaoyi is a separate health product.

## Overview
- **Category:** Development & Code (Agent & RAG frameworks)
- **Status:** Active · checked - Active model API. Standard pricing and the institutional program are separate offers.
- **Paid from:** 0.00098 / 0.00098 CNY / per 1,000 input/output tokens (Baichuan4-Air)
- **Free access:** One-off free allowance
- **Website:** https://www.baichuan-ai.com/
- **Canonical URL:** https://www.aicompare.ninja/en/tool/baichuan

## What it does
- CNY list prices per 1,000 tokens; input and output separate depending on model
- M3-Plus and M2-Plus include automatically billed medical search
- Web search, embeddings, and knowledge storage priced separately
- 32k or 128k API context depending on model
- CNY 80 new-customer credit for 3 months; special program for approved institutions only

## In brief
All amounts are Chinese yuan (CNY), not yen or US dollars. M3-Plus and M2-Plus charge for tokens across all conversation stages and also trigger medical searches at CNY 0.03 per call. Web search, embeddings, and knowledge storage have separate fees. The regular CNY 80 new-customer credit lasts 3 months; it does not make paid models permanently free.

Context is model-specific: M and Baichuan4 API entries list 32k, while Baichuan3-Turbo-128k lists 128k. Billing is proportional to tokens, not rounded up to complete 1,000-token blocks. API prices are not Baixiaoyi subscription prices or assurances of medical accuracy.

The Hai Na Bai Chuan program offers permanently free M3-Plus only after approval for institutions serving medical professionals. It permits real clinical decision support and medical education, not data production; provider attribution and other conditions apply. Search charges and specific allowances within this special program are not separately stated. This is not a generally available free API plan.


## Limits
Context is model-specific: M and Baichuan4 API entries list 32k, while Baichuan3-Turbo-128k lists 128k. Billing is proportional to tokens, not rounded up to complete 1,000-token blocks. API prices are not Baixiaoyi subscription prices or assurances of medical accuracy. The Hai Na Bai Chuan program offers permanently free M3-Plus only after approval for institutions serving medical professionals. It permits real clinical decision support and medical education, not data production; provider attribution and other conditions apply. Search charges and specific allowances within this special program are not separately stated. This is not a generally available free API plan.

## Pricing tiers
| Tier | Price | Period | What you get |
| --- | --- | --- | --- |
| Introductory credit | free | one-time | CNY 80 for new accounts only; 3 months from registration |
| Baichuan-M3-Plus | 0.005 / 0.009 CNY | per 1,000 input/output tokens | 32k API context; List price: 0.005 / 0.009 CNY; Automatic medical search extra: CNY 0.03/call; tokens across all conversation stages |
| Baichuan-M3 | 0.01 / 0.03 CNY | per 1,000 input/output tokens | 32k API context; List price: 0.01 / 0.03 CNY |
| Baichuan-M2-Plus | 0.01 / 0.03 CNY | per 1,000 input/output tokens | 32k API context; List price: 0.01 / 0.03 CNY; Automatic medical search extra: CNY 0.03/call; tokens across all conversation stages |
| Baichuan-M2 | 0.002 / 0.02 CNY | per 1,000 input/output tokens | 32k API context; List price: 0.002 / 0.02 CNY |
| Baichuan4-Turbo | 0.015 / 0.015 CNY | per 1,000 input/output tokens | 32k API context; List price: 0.015 / 0.015 CNY; Same token rate for input and output |
| Baichuan4-Air | 0.00098 / 0.00098 CNY | per 1,000 input/output tokens | 32k API context; List price: 0.00098 / 0.00098 CNY; Same token rate for input and output |
| Baichuan4 | 0.1 / 0.1 CNY | per 1,000 input/output tokens | 32k API context; List price: 0.1 / 0.1 CNY; Same token rate for input and output |
| Baichuan3-Turbo | 0.012 / 0.012 CNY | per 1,000 input/output tokens | 32k API context; List price: 0.012 / 0.012 CNY; Same token rate for input and output |
| Baichuan3-Turbo-128k | 0.024 / 0.024 CNY | per 1,000 input/output tokens | 128k API context; List price: 0.024 / 0.024 CNY; Same token rate for input and output |
| Baichuan2-Turbo | 0.008 / 0.008 CNY | per 1,000 input/output tokens | 32k API context; List price: 0.008 / 0.008 CNY; Same token rate for input and output |
| Baichuan2-53B | 0.01 / 0.02 CNY | per 1,000 tokens, time-dependent | API context: 32k; 00:00-08:00: CNY 0.01; 08:00-24:00: CNY 0.02 per 1,000 tokens. Timezone not stated.; Same token rate for input and output; List price: 0.01 / 0.02 CNY |
| Web search | 0.03 CNY | call | Web search, embeddings, and knowledge storage priced separately; List price: 0.03 CNY |
| Medical search | 0.03 CNY | call | Automatic medical search extra: CNY 0.03/call; tokens across all conversation stages; List price: 0.03 CNY |
| Baichuan-Text-Embedding | 0.0005 CNY | per 1,000 tokens | List price: 0.0005 CNY |
| Knowledge storage | 1.5 CNY | GB/day | Knowledge storage: 5 GB per user; embeddings separate; List price: 1.5 CNY |
| Hai Na Bai Chuan | free | after institutional approval | The Hai Na Bai Chuan program offers permanently free M3-Plus only after approval for institutions serving medical professionals. It permits real clinical decision support and medical education, not data production; provider attribution and other conditions apply. Search charges and specific allowances within this special program are not separately stated. This is not a generally available free API plan. |
| Assistants API | free | limited time | Only the Assistants API fee is temporarily free; model and storage charges remain separate. |

## Sources
All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

- https://platform.baichuan-ai.com/prices
- https://www.baichuan-ai.com/
- https://platform.baichuan-ai.com/article/privacy-agreement

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*Source: AI Compare Ninja (2026) - https://www.aicompare.ninja/en/tool/baichuan*