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DARJYO-Agri-7B

A 7-billion parameter foundation model purpose-built for African soil science, trained from scratch.

Author/Developer: persadian
Organization: DARJYO

Architecture (Unique Design)

Feature	DARJYO-Agri-7B	Standard GPT-2
Hidden size	4096	4096
Intermediate size	14336 (3.5x)	16384 (4x)
FFN ratio	3.5:1	4:1
Activation	SiLU (gated)	GELU
Layer strategy	Hybrid (4 zones)	Uniform
Vocabulary	Custom 32k (African soil)	50k general
Tokenizer	BPE (soil-optimized)	BPE (general)

Layer Strategy

Layers	Type	Purpose
0-7	Full Global Attention	Continental soil patterns
8-15	Local Window Attention	Regional texture analysis
16-23	Dilated Attention	Long-range chemical gradients
24-31	Hybrid Global/Local	Integrated soil profiling

Custom Vocabulary

32000 tokens optimized for African agriculture:

African geography (countries, regions, soil zones)
Soil science terminology (texture, chemistry, classification)
Crop types (cabbage, tomato, capsicum, chillies, marigold flowers etc.)
Agricultural practices (irrigation, tillage, fertilization)
DARJYO-specific domain tokens

Files

File	Description
darjyo-agri-7b-F16.gguf	FP16 GGUF model
config.json	Custom architecture configuration
vocab.json	Custom African soil vocabulary
tokenizer.json	Custom tokenizer
tokenizer_config.json	Tokenizer configuration
special_tokens_map.json	Special token mappings

Usage

from llama_cpp import Llama
llm = Llama("persadian/darjyo-agri-7b-F16.gguf", n_ctx=512)

Unique Metadata

darjyo.version: 1.0.0
darjyo.region: africa
darjyo.domain: soil_science
darjyo.ffn_ratio: 3.5
darjyo.layer_strategy: hybrid
darjyo.vocab_domain: african_agriculture_soil

Development

Developer: persadian
Built for: DARJYO
Corpus: ISRIC WoSIS + DARJYO field samples
Region: Sub-Saharan Africa
Status: Base model (pre-training weights initialized)

DOI

@misc{persadian2026,
    author       = {Darshani Persadh (~persadian)},
    title        = {darjyo-agri-7b},
    year         = 2026,
    url          = {https://huggingface.co/persadian/darjyo-agri-7b},
    doi          = {10.57967/hf/9056},
    publisher    = {Hugging Face}
}

Built by persadian for DARJYO - Growing Africa's agricultural intelligence

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GGUF

Hardware compatibility

16-bit