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Baichuan Open Platform

Baichuan Open Platform provides API access to Baichuan language models, search, embeddings, knowledge bases, and agent-building tools.

Baichuan Open Platform

Baichuan Open Platform is a web-based service for calling Baichuan language models through APIs. It supports general, medical, financial, education, and role-focused models, plus search enhancement, embeddings, knowledge bases, and Assistants API features.

Organizations use it to build chatbots, document-processing systems, domain assistants, and enterprise workflows. Usage is billed by tokens or requests; knowledge-base storage and some search functions cost extra. The platform does not replace professional medical, legal, or financial advice.

Features

  • API access to Baichuan language models
  • General models including Baichuan4-Turbo and Baichuan4-Air
  • Medical-enhanced models with automatic medical search
  • Search enhancement through web_search
  • Knowledge-base APIs with embeddings and file storage
  • Text embeddings through Baichuan-Text-Embedding
  • Assistants API with limited-time free model calls
  • Prompt optimization, fine-tuning, and reinforcement-learning tools

Use cases

  • Build enterprise chatbots and question-answering systems
  • Process and summarize long business documents
  • Create domain assistants for medical, finance, and education workflows
  • Add web search and evidence retrieval to model applications
  • Create role-based conversational agents
  • Store documents and use embeddings for knowledge-base retrieval

Pros

    Cons

      Pricing

      Starting price
      0.0005元/千tokens
      Pricing checked
      2026-09-19

      Baichuan-M3-Plus

      输入：0.005元/千tokens；输出：0.009元/千tokens

      • 32k context
      • 00:00 ~ 24:00 daily pricing
      • Medical search is charged separately

      Baichuan-M3

      输入：0.01元/千tokens；输出：0.03元/千tokens

      • 32k context
      • 00:00 ~ 24:00 daily pricing

      Baichuan-M2-Plus

      输入：0.01元/千tokens；输出：0.03元/千tokens

      • 32k context
      • 00:00 ~ 24:00 daily pricing
      • Medical search is charged separately

      Baichuan-M2

      输入：0.002元/千tokens；输出：0.02元/千tokens

      • 32k context
      • 00:00 ~ 24:00 daily pricing

      Baichuan4-Turbo

      0.015元/千tokens

      • 32k context
      • Input and output included
      • 00:00 ~ 24:00 daily pricing

      Baichuan4-Air

      0.00098元/千tokens

      • 32k context
      • Input and output included
      • 00:00 ~ 24:00 daily pricing
      Official website