What are the hardware requirements for Orca 2 13B?

Orca 2 13B requires approximately 52.1 GB of VRAM and supports a context window of 4K tokens. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed Orca 2 13B and how large is it?

Orca 2 13B is developed by microsoft, a model with 13b parameters. The model is published as open weights on Hugging Face and indexed on LLM Explorer with full benchmark history.

How does Orca 2 13B perform on standard benchmarks?

Orca 2 13B has the following published scores: MMLU 60.37. Compare against reference models on this page or on the LLM Explorer leaderboards.

Orca 2 13B by microsoft — VRAM 52.1GB, 4K context

Name: Orca 2 13B
Author: microsoft

Orca 2 13B is an open-source language model by microsoft. Features: 13b LLM, VRAM: 52.1GB, Context: 4K, License: other, LLM Explorer Score: 0.2, Arc: 60.7, HellaSwag: 79.8, MMLU: 60.4, GSM8K: 18.

Arxiv:2311.11045 Endpoints compatible Llama Microsoft Orca Orca2 Pytorch Region:us Sharded

Model Card on HF 🤗: https://huggingface.co/microsoft/Orca-2-13b

Orca 2 13B Parameters and Internals

Model Type

text generation

Use Cases

Limitations:

Inheriting limitations from LLAMA 2 and other LLMs, Data biases, Lack of contextual understanding, Lack of transparency, Content harms, Hallucination potential, Potential for misuse, Data distribution affects performance, System message induced variability, Zero-Shot setting limitations

Additional Notes

The model is not optimized for chat and lacks certain direct application capabilities without finetuning.

Training Details

Data Sources:

synthetic dataset

Methodology:

Enhanced reasoning abilities

LLM Name	Orca 2 13B
Repository 🤗	https://huggingface.co/microsoft/Orca-2-13b
Model Size	13b
Required VRAM	52.1 GB
Updated	2026-08-03
Maintainer	microsoft
Model Type	llama
Model Files	10.0 GB: 1-of-6 9.9 GB: 2-of-6 9.9 GB: 3-of-6 9.9 GB: 4-of-6 9.9 GB: 5-of-6 2.5 GB: 6-of-6
Model Architecture	LlamaForCausalLM
License	other
Context Length	4096
Model Max Length	4096
Transformers Version	4.33.1
Tokenizer Class	LlamaTokenizer
Beginning of Sentence Token	<s>
End of Sentence Token	</s>
Unk Token	<unk>
Vocabulary Size	32003
Torch Data Type	float32

Rank the Orca 2 13B 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

Quantized Models of the Orca 2 13B

Model	Likes	Downloads	VRAM
Orca 2 13B GPTQ	27	55	7 GB
Orca 2 13B GGUF	66	622	5 GB
Orca 2 13B GGUF	7	246	5 GB
Orca 2 13B AWQ	7	24	7 GB

Best Alternatives to Orca 2 13B

Best Alternatives	Context / RAM	Downloads	Likes
Luminaura RP 13B	128K / 26 GB	9	1
Yarn Llama 2 13B 128K	128K / 26 GB	184	113
Agent Llama2 13B 80K	80K / 26.4 GB	5	0
Chat Llama2 13B 80K	80K / 52.8 GB	5	0
LongAlign 13B 64K	64K / 26 GB	96	13
LongAlign 13B 64K Base	64K / 26 GB	89	3
LongAlign 13B 64K	64K / 26 GB	11	13
LongAlign 13B 64K Base	64K / 26 GB	6	3
Openbuddy Llama2 13B V15p1 64K	64K / 26.1 GB	4	4
Openbuddy Llama2 13b64k V15	64K / 26.1 GB	12	2