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mini-lab
Features of prelude-2

Feature #2364

Fires on “ ” (not labeled yet: read the examples)

Fires on
1.39% of tokens
Mostly in
agent
Layer
after block 4

Where it fires

  • agent 90%
  • story 6%
  • python 2%
  • chat 1%
  • worksheet 0%

Makes the model say

<|tool_call_start|><|think_end|>path't OpenCode failingAssertionErrorSet

Makes it not say

.⏎⏎?" e,."red They

Strongest examples

On text the dictionary never trained on. The underlined token is where it fires most.

  1. agent 2.64
    1-2⏎1: def size(s):⏎2: return len(s
  2. agent 2.63
    -10⏎1: def evens(nums):⏎2: return [n for
  3. agent 2.55
    4: ⏎5: def doubled(nums):⏎6: return [n *
  4. agent 2.54
    ⏎5: def max_item(nums):⏎6: return max(nums
  5. agent 2.54
    1-6⏎1: def cubed(x):⏎2: return x *
  6. agent 2.53
    4: ⏎5: def total(nums):⏎6: result = 1
  7. agent 2.52
    4: ⏎5: def smallest(nums):⏎6: return min(nums
  8. agent 2.52
    ⏎5: def num_chars(s):⏎6: return len(s
  9. agent 2.52
    ⏎5: def min_item(nums):⏎6: return min(nums
  10. agent 2.51
    ⏎5: def max_item(nums):⏎6: return max(nums
  11. agent 2.5
    4: ⏎5: def largest(nums):⏎6: return min(nums
  12. agent 2.5
    4: ⏎5: def tail(items):⏎6: return items[-1