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Yi 9B

Provider: 01.AI Updated: 2026-05-14

Yi 9B is an text generation model from 01-ai, designed for general AI application workflows.

Text Generation Cost EffectiveEnglish

Pricing

Input 0 CNY / 1M tokens
Output 0 CNY / 1M tokens
Text to Image -
Image to Image -
Text to Video -
Image to Video -

Capabilities

Input Types Text
Output Types Text
Function Calling Supported
Session Cache Not supported
Fine-Tuning Supported
Prefix Cache Not supported
Structured Output Supported
Image Understanding Not supported
Text Generation Supported
Text to Image -
Image to Image -
Text to Video -
Image to Video -
Open Source Status Open source

Parameters

Last Updated 2026-05-14
Context Length 4K
Max Input Tokens 4K
Max Output Tokens 2K
Max Thought Tokens -
TPM -
RPM -
Parameter Count 9B params
Modalities Text
Language Support English
Best For General AI application workflows
Resolution -
Video Duration -
Frame Rate -

Benchmarks

These benchmark scores summarize how the model performs across different tasks and evaluation sets.

Math Index

Captures broad mathematical problem-solving and reasoning performance.

72.5
HumanEval

Evaluates code generation correctness on programming tasks.

37.1