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Open-weight model · Text generation

esp32-s3-tinystories

by Nicholas Wilde nicholascwilde/esp32-s3-tinystories

Quantized INT4 weights designed to run locally on ESP32-S3 with 16MB Flash and Octal PSRAM. This model repository contains the binary weights, metadata, license, and tokenizer assets for the esp32-sandbox project (projects/s3-tiny-stories).

Parameters
Context
Weights24.5 MB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads

Model Card

By Nicholas Wilde, published under apache-2.0, revision 659f943c25d4.

Quantized INT4 weights designed to run locally on ESP32-S3 with 16MB Flash and Octal PSRAM. This model repository contains the binary weights, metadata, license, and tokenizer assets for the esp32-sandbox project (projects/s3-tiny-stories). - README.md - Model Card and documentation - LICENSE - Apache 2.0 License - metadata.json - Hardware, quantization, and model architecture metadata -.bin - Compiled INT4 model weights - tokenizer.json - SentencePiece / BPE vocabulary configuration Download the binary file (model.bin) and flash it directly to your ESP32-S3: Refer to the esp32-sandbox repository for firmware building, flashing, and serial monitoring.

Read Nicholas Wilde's full model card

TinyStories 15M (INT4 Quantized for ESP32-S3)

Quantized INT4 weights designed to run locally on ESP32-S3 with 16MB Flash and Octal PSRAM.

This model repository contains the binary weights, metadata, license, and tokenizer assets for the esp32-sandbox project (projects/s3-tiny-stories).

Model Details

  • Target Hardware: ESP32-S3 (e.g., ESP32-S3-DevKitC-1-N16R8)
  • Flash Memory Required: ≥ 16MB
  • PSRAM Required: ≥ 8MB (Octal SPI recommended)
  • Quantization: INT4 grouped quantization (group_size = 64 or 128) with FP16 scales
  • Partition Offset: 0x110000 (mapped via esp_partition_mmap)
  • Included Files:
  • README.md - Model Card and documentation
  • LICENSE - Apache 2.0 License
  • metadata.json - Hardware, quantization, and model architecture metadata
  • *.bin - Compiled INT4 model weights
  • tokenizer.json - SentencePiece / BPE vocabulary configuration

Quick Flashing to ESP32-S3

Download the binary file (model.bin) and flash it directly to your ESP32-S3:

# 1. Download model binary
hf download nicholascwilde/esp32-s3-tinystories model.bin --local-dir .

# 2. Flash to model partition (0x110000)
esptool --baud 921600 --port /dev/ttyACM0 write-flash 0x110000 model.bin

Running Inference

Refer to the esp32-sandbox repository for firmware building, flashing, and serial monitoring.

Identity and Version

Repository
nicholascwilde/esp32-s3-tinystories
Publisher
Nicholas Wilde
Task
Text generation
Modality
Text
Library
Not stated by the source
Parameters
Not stated by the source
Languages
en
Revision
659f943c25d40cfa30111fd6781ee5c64032eab4
First published
2026-09-18
Last updated
2026-09-18

Files and Weights

7 files, 26.3 MB in total. The weights are 2 files totalling 24.5 MB in bin.

Weights2 files · 24.5 MB
Configuration1 file · 511 B
Tokenizer1 file · 1.8 MB
Documentation2 files · 13.0 KB
Repository1 file · 1.5 KB
Every file
FileTypeSizeSHA-256
model.binWeights16.4 MB 32e0ead113f3
stories15M_q4.binWeights8.1 MB 17571630711f
metadata.jsonConfiguration511 B
LICENSEDocumentation11.3 KB
README.mdDocumentation1.7 KB
.gitattributesRepository1.5 KB
tokenizer.jsonTokenizer1.8 MB

License and Download

License
apache-2.0
Access
Open weights, no gate
Download size
24.5 MB
Download from Nicholas Wilde

Released by Nicholas Wilde through its official repository on Hugging Face. Read the license.

Memory Requirements

PrecisionWeights in memory
As published24.5 MB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Questions About esp32-s3-tinystories

Can I use esp32-s3-tinystories commercially?

Yes. esp32-s3-tinystories is released under Apache License 2.0. The Apache License 2.0 is a permissive open-source license. It permits commercial use, modification and redistribution. It requires keeping the license and copyright notices and any NOTICE file, stating significant changes, and it includes an express patent grant from contributors.

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