Simulation run on this device. Scenario values are not sent anywhere — the engine is fully local.
ai game · free
Long-Context Needle Hunt
Plant needles at depths in a synthetic context and map recall by position.
Does the model find the fact at 15% or 85% of context?
Engine 1.0.0 · game
tok
1000128000
%
0100
0% = start, 100% = end.
8
- Retrieval difficulty
- 58 / 100
- P(recall) toy
- 45%
- Needle zone
- prefix
- Depth
- 4,800 tok
Prefix needles are easier — good as a control condition.
ctx=32,000 pos=15% distractors=8
Method
- U-shaped positional difficulty (lost-in-the-middle) scaled by context length and distractors → toy recall probability.
- Numbers are teaching approximations, not production capacity guarantees.