## Stacked Bar Chart: Rating Distribution by Model
### Overview
This image is a stacked bar chart titled "Rating Distribution by Model" with a subtitle indicating the evaluator is "gpt-4o-2024-08-06". It displays the proportional distribution of ratings (0 through 4) given by this evaluator to 16 different large language models. The chart is designed to compare how different models performed according to this specific evaluation run.
### Components/Axes
* **Chart Title:** "Rating Distribution by Model"
* **Subtitle/Evaluator:** "Evaluator: gpt-4o-2024-08-06"
* **Y-Axis:**
* **Label:** "Proportion"
* **Scale:** Linear, from 0.0 to 1.0, with major tick marks at 0.0, 0.2, 0.4, 0.6, 0.8, and 1.0.
* **X-Axis:**
* **Label:** None explicit. Contains the names of 16 models, listed below.
* **Model Names (from left to right):**
1. Llama-3.1-70B-Instruct
2. Llama-3.1-8B-Instruct
3. Llama-3.2-1B-Instruct
4. Llama-3.2-3B-Instruct
5. Mistral-7B-Instruct-v0.1
6. Mixtral-8x22B-Instruct-v0.1
7. Mixtral-8x7B-Instruct-v0.1
8. Qwen2.5-0.5B-Instruct
9. Qwen2.5-5B-Instruct
10. Qwen2.5-32B-Instruct
11. Qwen2.5-3B-Instruct
12. Qwen2.5-72B-Instruct
13. Qwen2.5-7B-Instruct
14. claude-3-haiku-20240307
15. claude-3-sonnet-20240229
16. gpt-4o-2024-05-13
17. gpt-4o-mini-2024-07-18
* **Legend:**
* **Position:** Top-right corner of the chart area.
* **Title:** "Rating"
* **Categories & Colors:**
| Rating | Color |
| :----- | :---- |
| 0 | Blue |
| 1 | Green |
| 2 | Red |
| 3 | Purple |
| 4 | Gold/Yellow |
### Detailed Analysis
Each bar represents 100% (proportion 1.0) of the ratings for a given model, segmented by color according to the rating received. The approximate proportion for each segment is estimated based on the y-axis scale.
1. **Llama-3.1-70B-Instruct:** Dominated by rating 4 (gold, ~45%), followed by rating 3 (purple, ~15%), rating 2 (red, ~10%), rating 1 (green, ~10%), and rating 0 (blue, ~20%).
2. **Llama-3.1-8B-Instruct:** Large rating 0 (blue, ~38%), significant rating 1 (green, ~22%), rating 2 (red, ~18%), rating 3 (purple, ~15%), small rating 4 (gold, ~7%).
3. **Llama-3.2-1B-Instruct:** Very large rating 0 (blue, ~65%), moderate rating 1 (green, ~20%), small rating 2 (red, ~10%), very small rating 3 (purple, ~5%).
4. **Llama-3.2-3B-Instruct:** Large rating 0 (blue, ~45%), large rating 1 (green, ~25%), moderate rating 2 (red, ~15%), small rating 3 (purple, ~10%), very small rating 4 (gold, ~5%).
5. **Mistral-7B-Instruct-v0.1:** Large rating 0 (blue, ~52%), large rating 1 (green, ~20%), moderate rating 2 (red, ~12%), moderate rating 3 (purple, ~12%), small rating 4 (gold, ~4%).
6. **Mixtral-8x22B-Instruct-v0.1:** Very large rating 0 (blue, ~72%), moderate rating 1 (green, ~15%), small rating 2 (red, ~8%), small rating 3 (purple, ~5%).
7. **Mixtral-8x7B-Instruct-v0.1:** Large rating 0 (blue, ~20%), large rating 1 (green, ~18%), moderate rating 2 (red, ~15%), large rating 3 (purple, ~27%), moderate rating 4 (gold, ~20%).
8. **Qwen2.5-0.5B-Instruct:** Large rating 0 (blue, ~23%), large rating 1 (green, ~16%), moderate rating 2 (red, ~14%), large rating 3 (purple, ~27%), moderate rating 4 (gold, ~20%).
9. **Qwen2.5-5B-Instruct:** Very large rating 0 (blue, ~81%), small rating 1 (green, ~12%), very small rating 2 (red, ~7%).
10. **Qwen2.5-32B-Instruct:** Large rating 0 (blue, ~21%), large rating 1 (green, ~13%), moderate rating 2 (red, ~14%), large rating 3 (purple, ~25%), moderate rating 4 (gold, ~27%).
11. **Qwen2.5-3B-Instruct:** Large rating 0 (blue, ~33%), large rating 1 (green, ~18%), moderate rating 2 (red, ~20%), large rating 3 (purple, ~19%), small rating 4 (gold, ~10%).
12. **Qwen2.5-72B-Instruct:** Large rating 0 (blue, ~22%), large rating 1 (green, ~17%), moderate rating 2 (red, ~14%), large rating 3 (purple, ~22%), moderate rating 4 (gold, ~25%).
13. **Qwen2.5-7B-Instruct:** Large rating 0 (blue, ~29%), large rating 1 (green, ~20%), moderate rating 2 (red, ~17%), large rating 3 (purple, ~19%), moderate rating 4 (gold, ~15%).
14. **claude-3-haiku-20240307:** Large rating 0 (blue, ~19%), large rating 1 (green, ~12%), moderate rating 2 (red, ~12%), large rating 3 (purple, ~22%), moderate rating 4 (gold, ~35%).
15. **claude-3-sonnet-20240229:** Large rating 0 (blue, ~38%), large rating 1 (green, ~17%), moderate rating 2 (red, ~18%), large rating 3 (purple, ~17%), small rating 4 (gold, ~10%).
16. **gpt-4o-2024-05-13:** Large rating 0 (blue, ~24%), large rating 1 (green, ~15%), moderate rating 2 (red, ~14%), large rating 3 (purple, ~22%), moderate rating 4 (gold, ~25%).
17. **gpt-4o-mini-2024-07-18:** Large rating 0 (blue, ~33%), large rating 1 (green, ~17%), moderate rating 2 (red, ~17%), large rating 3 (purple, ~20%), moderate rating 4 (gold, ~13%).
### Key Observations
* **High Variance in Rating 0:** The proportion of the lowest rating (0, blue) varies dramatically, from a very high ~81% for `Qwen2.5-5B-Instruct` to a relatively low ~19% for `claude-3-haiku-20240307`.
* **Top Performers by Low Rating 0:** Models with the smallest blue segments (suggesting fewer very poor ratings) include `claude-3-haiku-20240307`, `Mixtral-8x7B-Instruct-v0.1`, `Qwen2.5-0.5B-Instruct`, and `Qwen2.5-32B-Instruct`.
* **Top Performers by High Rating 4:** Models with the largest gold segments (suggesting more top ratings) include `Llama-3.1-70B-Instruct`, `claude-3-haiku-20240307`, `Qwen2.5-32B-Instruct`, and `Qwen2.5-72B-Instruct`.
* **Middle-Tier Clustering:** Many models, particularly the Qwen2.5 series and the GPT-4o variants, show a more balanced distribution across ratings 0, 1, 3, and 4, with rating 2 (red) often being a smaller middle segment.
* **Outlier - Qwen2.5-5B-Instruct:** This model is a clear outlier with an overwhelmingly high proportion of rating 0 and no visible rating 4 segment, indicating very poor performance according to this evaluator.
### Interpretation
This chart visualizes the performance assessment of various LLMs by the `gpt-4o-2024-08-06` model acting as an evaluator. The data suggests a significant spread in perceived quality.
* **Performance Hierarchy:** The evaluator appears to favor `claude-3-haiku-20240307` and `Llama-3.1-70B-Instruct`, giving them the highest proportions of top ratings (4). Conversely, it rates `Qwen2.5-5B-Instruct` and `Llama-3.2-1B-Instruct` very poorly, with high proportions of the lowest rating (0).
* **Model Size vs. Performance:** There isn't a simple linear relationship between model size (e.g., 70B vs 8B) and rating. For instance, `Llama-3.1-70B-Instruct` performs much better than its 8B counterpart, but `Qwen2.5-32B-Instruct` and `Qwen2.5-72B-Instruct` have similar, strong distributions, while the very small `Qwen2.5-0.5B-Instruct` also shows a respectable distribution with a notable rating 4 segment.
* **Evaluator Bias Context:** It is critical to note that the ratings are generated by a single AI model (`gpt-4o-2024-08-06`). This distribution reflects that specific model's judgment criteria and potential biases, not an absolute ground truth. The chart is most useful for comparing relative performance *as judged by this particular evaluator*.
* **Anomaly Justification:** The extreme result for `Qwen2.5-5B-Instruct` could indicate a specific failure mode for that model on the evaluation tasks, a mismatch between the model's capabilities and the test set, or a potential error in the evaluation pipeline for that specific run.