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README.md
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## Benchmarks
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Benchmarks were run with
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| Benchmark | v1 | v2 |
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| WikiText-2 (byte perplexity) ↓ | 2.96 | **2.
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| BLiMP (macro-average) ↑ | 61.40% | **
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| ARC-Easy ↑ | 30.85% | **
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Every metric improved
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### BLiMP paradigm breakdown
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| Paradigm | Accuracy |
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Weaker on long-distance dependencies and island constraints, a known hard case for small models:
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| Paradigm | Accuracy |
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This pattern, strong local agreement paired with weaker long-distance syntax, is typical for models at this scale.
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## Benchmarks
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Benchmarks were run with lm-evaluation-harness via a custom model adapter (previous numbers from an internal script have been superseded by these).
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| Benchmark | v1 | v2 |
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|---|---|---|
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| WikiText-2 (byte perplexity) ↓ | 2.96 | **2.2250** |
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| BLiMP (macro-average, 68 paradigms) ↑ | 61.40% | **75.09%** |
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| ARC-Easy (acc_norm) ↑ | 30.85% | **39.98%** |
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| ARC-Easy (acc) ↑ | — | **43.56%** |
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Every metric improved. The ARC-Easy acc_norm gain (30.85% → 39.98%) is more modest than the raw acc numbers alone suggest, but still a real improvement over v1.
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### BLiMP paradigm breakdown
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| Paradigm | Accuracy |
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| blimp_principle_A_case_1 | 100.00% |
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| blimp_existential_there_quantifiers_1 | 99.40% |
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| blimp_anaphor_number_agreement | 98.00% |
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| blimp_sentential_negation_npi_licensor_present | 97.30% |
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| blimp_determiner_noun_agreement_1 | 96.90% |
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| blimp_principle_A_domain_1 | 95.40% |
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Weaker on long-distance dependencies and island constraints, a known hard case for small models:
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| Paradigm | Accuracy |
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| blimp_wh_vs_that_with_gap_long_distance | 17.20% |
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| blimp_existential_there_quantifiers_2 | 30.20% |
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| blimp_left_branch_island_echo_question | 31.40% |
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| blimp_superlative_quantifiers_2 | 33.20% |
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| blimp_principle_A_reconstruction | 36.10% |
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This pattern, strong local agreement paired with weaker long-distance syntax, is typical for models at this scale.
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