Magna Carta year
factual stability
· fact-magna-carta
· hash 52dfd5565115…
Prompt
In what year was the Magna Carta signed?
Refusal rate
Refusal rate per model per week.
| Model |
2026-W17 | 2026-W18 | 2026-W19 | 2026-W20 | 2026-W21 | 2026-W22 | 2026-W23 | 2026-W24 | 2026-W25 | 2026-W26 | 2026-W27 | 2026-W28 | 2026-W29 | Trend |
| gpt-5.5 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.00 |
— |
0.00 |
|
| llama3.2:3b |
— |
— |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
|
| claude-opus-4-8 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.00 |
— |
|
| claude-opus-4-7 |
— |
0.00 |
— |
0.00 |
— |
0.00 |
— |
0.00 |
— |
0.00 |
— |
— |
— |
|
| gpt-5.1 |
0.00 |
— |
0.00 |
— |
0.00 |
— |
0.00 |
— |
0.00 |
— |
— |
— |
— |
|
Hedge density
Hedge density per model per week.
| Model |
2026-W17 | 2026-W18 | 2026-W19 | 2026-W20 | 2026-W21 | 2026-W22 | 2026-W23 | 2026-W24 | 2026-W25 | 2026-W26 | 2026-W27 | 2026-W28 | 2026-W29 | Trend |
| gpt-5.5 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.00 |
— |
0.00 |
|
| llama3.2:3b |
— |
— |
0.21 |
0.23 |
0.48 |
0.54 |
0.33 |
0.20 |
0.18 |
0.00 |
0.34 |
0.42 |
0.18 |
|
| claude-opus-4-8 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
0.10 |
— |
|
| claude-opus-4-7 |
— |
0.39 |
— |
0.10 |
— |
0.41 |
— |
0.46 |
— |
0.23 |
— |
— |
— |
|
| gpt-5.1 |
0.00 |
— |
0.00 |
— |
0.00 |
— |
0.00 |
— |
0.00 |
— |
— |
— |
— |
|
Median length per model per week.
| Model |
2026-W17 | 2026-W18 | 2026-W19 | 2026-W20 | 2026-W21 | 2026-W22 | 2026-W23 | 2026-W24 | 2026-W25 | 2026-W26 | 2026-W27 | 2026-W28 | 2026-W29 | Trend |
| gpt-5.5 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
7 |
— |
7 |
|
| llama3.2:3b |
— |
— |
49 |
49 |
49 |
49 |
49 |
39 |
48 |
34 |
49 |
49 |
43 |
|
| claude-opus-4-8 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
101 |
— |
|
| claude-opus-4-7 |
— |
42 |
— |
45 |
— |
50 |
— |
67 |
— |
70 |
— |
— |
— |
|
| gpt-5.1 |
7 |
— |
7 |
— |
7 |
— |
7 |
— |
7 |
— |
— |
— |
— |
|
Semantic drift
L2 distance between the mean response embedding this week and last week.
Higher = more semantic shift. How this is measured.
Embedding centroid shift per model, 2026-W29.
| Model |
Shift |
| gpt-5.5 |
0.0019 |
| llama3.2:3b |
0.0024 |