A
Alpha
stale

soda_chat_20260306105222_j14k

55.77M parameter nanochat model — bpe-chat-4k tokenizer, 16L/512D/8H

Overview

55.77M
Parameters
6.9269
Final Loss
-
Best Val Loss
1019.4
Perplexity
477,184
Tokens Processed
0.0
Tokens/Param
1,646 tok/s
Avg Throughput
19m 56s
Training Time
Training Progress466 / 20,000 steps (2.3%)
Loss reduced by 17.6% from initial 8.4055

Dataset & Training

Domainnanochat
Tokenizerbpe-chat-4k
Total Iterations20,000
Batch Size2
Context Length512 tokens
Tokens per Batch1,024
Dataset Passes~1
Effective Tokens477,184

Training Pipeline

Warmupsteps 1200

Learning rate warmup — model weights adjusting to data distribution

Loss: 8.4067.170Linear LR warmup, gradient clipping

Training Metrics

Loss Curve
?
?
?
?
Smoothed Loss
Perplexity
Learning Rate
Gradient Norm
Throughput (tok/s)
Timing Breakdown
No Telemetry

Model Architecture

Model Configuration

ArchitectureGPT (decoder-only transformer)
Parameters55.77M
Layers16
Embedding Dim512
Attention Heads8
Head Dim64
FFN Dim2048
FFN Activationswiglu
Vocab Size4,000
Context Length512 tokens
Dropout0

Training Configuration

Optimizeradamw
Learning Rate0.0001
LR Min0.00001
LR ScheduleCosine decay
Warmup Steps500
Batch Size2
Grad Accum Steps4
Effective Batch8
Grad Clip1
Weight Decay0.1
Backendhelios
Tokenizerbpe-chat-4k
Seed42

Layer Structure

Token Embed
4,000×512
Pos Embed
512×512
Block 0
Attn+FFN
Block 1
Attn+FFN
Block 2
Attn+FFN
Block 3
Attn+FFN
Block 4
Attn+FFN
Block 5
Attn+FFN
...10 more
LayerNorm
512
LM Head
512×4,000

Generated Samples

No samples generated yet. Samples appear at configured intervals during training.

Checkpoints

No checkpoints saved yet.

Chat with Model

Send a message to chat with this model
Generated Invalid Date Invalid Date — Alpha Training SystemConfig hash: