Regular-context pretraining releases: documents plus aligned Dolma-2 tokens and masks, one repo per source mix. Token counts on each card.
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Long-context (16K packing) pretraining releases, same two-parquet contract as the regular mixes. Token counts on each card.
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placeholderlabs/pretrain-repository-v2-mix-long-context
Viewer • Updated • 5.16M • 546 -
placeholderlabs/pretrain-academic-mix-long-context
Viewer • Updated • 2M • 1.14k -
placeholderlabs/pretrain-commits-v2-mix-long-context
Viewer • Updated • 1.98M • 588 -
placeholderlabs/pretrain-nemotron-math-mix-long-context
Viewer • Updated • 84.8k • 357
Regular-context pretraining releases: documents plus aligned Dolma-2 tokens and masks, one repo per source mix. Token counts on each card.
Long-context (16K packing) pretraining releases, same two-parquet contract as the regular mixes. Token counts on each card.
-
placeholderlabs/pretrain-repository-v2-mix-long-context
Viewer • Updated • 5.16M • 546 -
placeholderlabs/pretrain-academic-mix-long-context
Viewer • Updated • 2M • 1.14k -
placeholderlabs/pretrain-commits-v2-mix-long-context
Viewer • Updated • 1.98M • 588 -
placeholderlabs/pretrain-nemotron-math-mix-long-context
Viewer • Updated • 84.8k • 357
datasets 37
placeholderlabs/murmur-sounds
Viewer • Updated • 1 • 49
placeholderlabs/pretrain-reasoning-traces-mix
Viewer • Updated • 3.18M • 80
placeholderlabs/pretrain-reasoning-traces-mix-long-context
Viewer • Updated • 1.78k • 44
placeholderlabs/pretrain-repository-v2-mix
Viewer • Updated • 48.1M • 876
placeholderlabs/pretrain-repository-v2-mix-long-context
Viewer • Updated • 5.16M • 546
placeholderlabs/pretrain-commits-v2-mix
Viewer • Updated • 62.9M • 792
placeholderlabs/pretrain-commits-v2-mix-long-context
Viewer • Updated • 1.98M • 588
placeholderlabs/pretrain-encyclopedic-mix-long-context
Viewer • Updated • 47.3k • 248 • 1
placeholderlabs/pretrain-encyclopedic-mix
Viewer • Updated • 13M • 591
placeholderlabs/pretrain-nemotron-math-mix-long-context
Viewer • Updated • 84.8k • 357