name: DeepSeek Vocabulary
description: >-
  Shared vocabulary of terms used across the DeepSeek API and large language
  model platform.
terms:
  - term: Chat Completion
    definition: A model response generated for a sequence of chat messages with system, user, and assistant roles.
  - term: FIM Completion
    definition: Fill-In-The-Middle completion where the model generates text between a prompt and an optional suffix.
  - term: Reasoner Model
    definition: A DeepSeek model variant tuned for explicit chain-of-thought reasoning on complex problems.
  - term: Thinking Mode
    definition: A configurable reasoning effort setting that lets the model spend additional tokens on internal reasoning before answering.
  - term: Context Caching
    definition: An optimization that caches repeated prompt prefixes to reduce token cost and latency for repeated requests.
  - term: Tool Calling
    definition: A model capability where the assistant emits structured calls to developer-defined functions or tools.
  - term: JSON Mode
    definition: A response format option that constrains the model to emit valid JSON.
  - term: Token
    definition: The unit of text counted for input and output billing in the DeepSeek API.
  - term: Balance
    definition: The remaining account credit available for DeepSeek API usage.
  - term: OpenAI-Compatible Endpoint
    definition: A DeepSeek API surface that mirrors the OpenAI request and response shapes so existing clients can be reused.