What are the hardware requirements for Yi Coder 1.5B Chat?

Yi Coder 1.5B Chat requires approximately 3 GB of VRAM and supports a context window of 128K tokens. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed Yi Coder 1.5B Chat and how large is it?

Yi Coder 1.5B Chat is developed by 01-ai, a model with 1.5b parameters. The model is published as open weights on Hugging Face and indexed on LLM Explorer with full benchmark history.

Where can I download or evaluate Yi Coder 1.5B Chat?

Yi Coder 1.5B Chat is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

Yi Coder 1.5B Chat by 01-ai — VRAM 3GB, 128K context

Name: Yi Coder 1.5B Chat
Author: 01-ai

Yi Coder 1.5B Chat is an open-source language model by 01-ai. Features: 1.5b LLM, VRAM: 3GB, Context: 128K, License: apache-2.0, Code Generating, LLM Explorer Score: 0.16.

Arxiv:2403.04652 Base model:01-ai/yi-coder-1.5b Base model:finetune:01-ai/yi-c... Codegen Conversational Endpoints compatible Llama Region:us Safetensors

Model Card on HF 🤗: https://huggingface.co/01-ai/Yi-Coder-1.5B-Chat

Yi Coder 1.5B Chat Benchmarks

LLME Score: 0.15727

^nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").

What is the LLM Explorer Rank (Score)

Yi Coder 1.5B Chat (01-ai/Yi-Coder-1.5B-Chat)

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Yi Coder 1.5B Chat Parameters and Internals

Model Type

open-source, code language model

Use Cases

Areas:

Coding

Additional Notes

Excels in long-context understanding with a maximum context length of 128K tokens.

Supported Languages

52 major programming languages ()

Input Output

Input Format:

Tokens for prompts

Accepted Modalities:

text

Output Format:

Generated code or text

LLM Name	Yi Coder 1.5B Chat
Repository 🤗	https://huggingface.co/01-ai/Yi-Coder-1.5B-Chat
Base Model(s)	01-ai/Yi-Coder-1.5B 01-ai/Yi-Coder-1.5B
Model Size	1.5b
Required VRAM	3 GB
Updated	2026-05-19
Maintainer	01-ai
Model Type	llama
Model Files	3.0 GB
Generates Code	Yes
Model Architecture	LlamaForCausalLM
License	apache-2.0
Context Length	131072
Model Max Length	131072
Transformers Version	4.44.0
Tokenizer Class	LlamaTokenizer
Padding Token	<unk>
Vocabulary Size	64000
Torch Data Type	bfloat16

Quantized Models of the Yi Coder 1.5B Chat

Model	Likes	Downloads	VRAM
Yi Coder 1.5B Chat GGUF	19	123525	0 GB

Best Alternatives to Yi Coder 1.5B Chat

Best Alternatives	Context / RAM	Downloads	Likes
CursorCore Yi 1.5B SR	128K / 3 GB	9	0
CursorCore Yi 1.5B	128K / 3 GB	10	1
CursorCore Yi 1.5B LC	128K / 3 GB	5	0
Yi Coder 1.5B	128K / 3 GB	196	24

Rank the Yi Coder 1.5B Chat Capabilities

🆘 Have you tried this model? Rate its performance. This feedback would greatly assist ML community in identifying the most suitable model for their needs. Your contribution really does make a difference! 🌟

Instruction Following and Task Automation
Factuality and Completeness of Knowledge
Censorship and Alignment
Data Analysis and Insight Generation
Text Generation
Text Summarization and Feature Extraction
Code Generation
Multi-Language Support and Translation

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Release v20260328a

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Yi Coder 1.5B Chat by 01-ai