Name: Yi 1.5 6B Chat
Author: 01-ai

Yi 1.5 6B Chat is an open-source language model by 01-ai. Features: 6b LLM, VRAM: 12.1GB, Context: 4K, License: apache-2.0, HF Score: 66.2, LLM Explorer Score: 0.24, Arc: 60.7, HellaSwag: 78.9, MMLU: 64.2, TruthfulQA: 52.6, WinoGrande: 73.6, GSM8K: 67.1.

Arxiv:2403.04652 Autotrain compatible Conversational Endpoints compatible Llama Region:us Safetensors Sharded Tensorflow

Model Card on HF 🤗: https://huggingface.co/01-ai/Yi-1.5-6B-Chat

Yi 1.5 6B Chat Benchmarks

IFEval: 51.45 vs 88 (so35)^-41.5%

ARC: 60.67 vs 96.7 (so35)^-37.3%

HellaSwag: 78.87 vs 95.3 (gpt4)^-17.2%

MMLU: 64.24 vs 88.3 (so35)^-27.2%

TruthfulQA: 52.57 vs 59 (gpt4)^-10.9%

WinoGrande: 73.56 vs 87.5 (gpt4)^-15.9%

GSM8K: 67.1 vs 96.4 (so35)^-30.4%

MATH Lvl 5: 16.24

LLME Score: 0.24361

^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)

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Yi 1.5 6B Chat Parameters and Internals

Model Type

Chat, Base

Training Details

Data Volume:

500B tokens (pre-trained)

Methodology:

Fine-tuned on 3M diverse samples

LLM Name	Yi 1.5 6B Chat
Repository 🤗	https://huggingface.co/01-ai/Yi-1.5-6B-Chat
Model Size	6b
Required VRAM	12.1 GB
Updated	2025-10-28
Maintainer	01-ai
Model Type	llama
Model Files	4.9 GB: 1-of-3 5.0 GB: 2-of-3 2.2 GB: 3-of-3
Model Architecture	LlamaForCausalLM
License	apache-2.0
Context Length	4096
Model Max Length	4096
Transformers Version	4.40.0
Tokenizer Class	LlamaTokenizer
Padding Token	<unk>
Vocabulary Size	64000
Torch Data Type	bfloat16

Quantized Models of the Yi 1.5 6B Chat

Model	Likes	Downloads	VRAM
Yi 1.5 6B Chat GGUF	9	105808	2 GB
Yi 1.5 6B Chat GGUF	3	378	2 GB
Yi 1.5 6B Chat IMat GGUF	0	96	1 GB
Yi 1.5 6B Chat GGUF	1	20	2 GB

Best Alternatives to Yi 1.5 6B Chat

Best Alternatives	Context / RAM	Downloads	Likes
Yi 6B 200K	195K / 12.1 GB	16831	172
Yi 6B 200K AEZAKMI V2	195K / 12.1 GB	584	1
Yi 6B 200K DPO	195K / 12.1 GB	691	0
Wukong Yi 6B 200K	195K / 12.1 GB	5	1
Barcenas 6B 200K	195K / 12.1 GB	1848	2
Yi 6B 200K Llamafied	195K / 12.1 GB	10	11
Yi 6B 200K Llama	195K / 12.1 GB	4	5
Llama 3.2 6B AlgoCode	128K / 12.7 GB	23	1
Chatglm2 6B Port Llama	32K / 12.5 GB	5	4
Miqu 6B Truthy	31K / 11.3 GB	109	1

Rank the Yi 1.5 6B 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 1.5 6B Chat by 01-ai

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