reallexi/lexi-rm-agent

A standalone model of 495M parameters, derived from Qwen/Qwen2.5-0.5B-Instruct.

The adapter has been merged into the base weights, so no PEFT adapter is needed at runtime.

Size and requirements

Parameters 495,114,112 (495M)
Weights on disk 953 MB
Trained context length 512 tokens
Base model Qwen/Qwen2.5-0.5B-Instruct

Approximate memory to hold the weights. Add context and runtime overhead on top.

Precision Weights
FP16 / BF16 944 MB
8-bit (Q8_0) 472 MB
4-bit (Q4_K_M) 260 MB

Training

Strategy slm
Adapter Auto LoRA
LoRA rank / alpha 8 / 16
Dataset bitext/Bitext-customer-support-llm-chatbot-training-dataset
Samples learned 100,000 (through phase 382 of 382)
Training steps 1,250
Epochs 5

Usage

from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained("reallexi/lexi-rm-agent")
tokenizer = AutoTokenizer.from_pretrained("reallexi/lexi-rm-agent")

License and attribution

The effective terms are inherited from the base model and the training data, which are not necessarily the same as this project's own license. Review both before redistributing.

Copyright (c) 2026 Reallexi LLC. All rights reserved.

Produced by Reallexi LLC AI Model Builder from training job #1272. Core: https://llm.reallexi.io

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