A
Alpha
completed

super_chat_20260306132105_6b9x

88.33M parameter nanochat model — bpe-chat-4k tokenizer, 16L/512D/8H

Overview

88.33M
Parameters
6.7393
Final Loss
-
Best Val Loss
844.9
Perplexity
204,800
Tokens Processed
0.0
Tokens/Param
287 tok/s
Avg Throughput
9m 42s
Training Time
Training Progress200 / 200 steps (100.0%)
Loss reduced by 19.4% from initial 8.3594

Dataset & Training

Domainnanochat
Tokenizerbpe-chat-4k
Total Iterations200
Batch Size2
Context Length512 tokens
Tokens per Batch1,024
Dataset Passes~1
Effective Tokens204,800

Training Pipeline

Warmupsteps 12

Learning rate warmup — model weights adjusting to data distribution

Loss: 8.3598.409Linear LR warmup, gradient clipping
Rapid Descentsteps 261

Steepest loss reduction — model learning primary patterns

Loss: 8.4096.987Cosine LR schedule, AdamW optimization
Refinementsteps 61141

Diminishing returns — model fine-tuning subtler patterns

Loss: 6.9876.756Lower LR, gradient accumulation
Convergencesteps 141160

Approaching minimum — model capacity saturation

Loss: 6.7566.739Minimum LR, weight decay regularization

Training Metrics

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

Model Architecture

Model Configuration

ArchitectureGPT (decoder-only transformer)
Parameters88.33M
Layers16
Embedding Dim512
Attention Heads8
Head Dim64
FFN Dim2048
FFN Activationswiglu
Vocab Size4,000
Context Length512 tokens
Dropout0

Training Configuration

Optimizeradamw
Learning Rate0.0006
LR Min0.00006
LR ScheduleCosine decay
Warmup Steps500
Batch Size2
Grad Accum Steps1
Effective Batch2
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

StepFileSizeDate
200checkpoint-200.json303.4 MBMar 6, 2026 1:52 PM

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