What are the hardware requirements for Yi Coder 1.5B?

Yi Coder 1.5B 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 and how large is it?

Yi Coder 1.5B 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?

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

Name: Yi Coder 1.5B
Author: 01-ai

Yi Coder 1.5B 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: 0.14.

Arxiv:2403.04652 Codegen Llama Region:us Safetensors

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

Yi Coder 1.5B 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
Repository 🤗	https://huggingface.co/01-ai/Yi-Coder-1.5B
Model Size	1.5b
Required VRAM	3 GB
Updated	2026-08-25
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

Rank the Yi Coder 1.5B capabilities

Have you tried this model? Rate its performance — this feedback helps the ML community find the right model for their needs.

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

Best Alternatives to Yi Coder 1.5B

Best Alternatives	Context / RAM	Downloads	Likes
Yi Coder 1.5B Chat	128K / 3 GB	574	41
CursorCore Yi 1.5B SR	128K / 3 GB	9	0
CursorCore Yi 1.5B	128K / 3 GB	7	1
CursorCore Yi 1.5B LC	128K / 3 GB	6	0

Note: green Score (e.g. "73.2") means that the model is better than 01-ai/Yi-Coder-1.5B.