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mini-lab
Features of prelude-2

Feature #3032

Fires on “<|user_end|>” (not labeled yet: read the examples)

Fires on
1.73% of tokens
Mostly in
agent
Layer
after block 4

Where it fires

  • agent 49%
  • chat 48%
  • story 2%
  • python 0%
  • worksheet 0%

Makes the model say

g surelowerndangRenamee its

Makes it not say

`⏎⏎")) of. to namedBug

Strongest examples

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

  1. agent 3.79
    , a coding agent harness.<|system_end|><|user_start|>Where can I find odd?<|user_end|><|assistant_start|><|tool_call_start|>gre
  2. agent 3.79
    , a coding agent harness.<|system_end|><|user_start|>Where can I find exclaim?<|user_end|><|assistant_start|><|tool_call_start|>gre
  3. agent 3.76
    , a coding agent harness.<|system_end|><|user_start|>Where can I find halve?<|user_end|><|assistant_start|><|tool_call_start|>gre
  4. agent 3.72
    OpenCode, a coding agent harness.<|system_end|><|user_start|>what does doubled return?<|user_end|><|assistant_start|><|tool_call_start|>gre
  5. chat 3.72
    21055.<|bos|><|user_start|>Where is London?<|user_end|><|assistant_start|>Sorry, I
  6. agent 3.69
    )` makes s upper case.<|assistant_end|><|user_start|>Where can I find shout?<|user_end|><|assistant_start|><|tool_call_start|>gre
  7. agent 3.67
    coding agent harness.<|system_end|><|user_start|>Where can I find count_items?<|user_end|><|assistant_start|><|tool_call_start|>gre
  8. chat 3.59
    with a calculator.<|assistant_end|><|bos|><|user_start|>Where is Tokyo?<|user_end|><|assistant_start|>I'm sorry
  9. agent 3.57
    , a coding agent harness.<|system_end|><|user_start|>Where can I find biggest?<|user_end|><|assistant_start|><|tool_call_start|>gre
  10. agent 3.56
    , a coding agent harness.<|system_end|><|user_start|>Where can I find contains?<|user_end|><|assistant_start|><|tool_call_start|>gre
  11. chat 3.54
    )`.<|assistant_end|><|bos|><|user_start|>Who wrote Romeo and Juliet?<|user_end|><|assistant_start|>Sorry, I
  12. agent 3.52
    OpenCode, a coding agent harness.<|system_end|><|user_start|>Which file defines odd?<|user_end|><|assistant_start|><|tool_call_start|>gre