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 • 598 -
placeholderlabs/pretrain-academic-mix-long-context
Viewer • Updated • 2M • 1.05k -
placeholderlabs/pretrain-commits-v2-mix-long-context
Viewer • Updated • 1.98M • 412 -
placeholderlabs/pretrain-nemotron-math-mix-long-context
Viewer • Updated • 84.8k • 332
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 • 598 -
placeholderlabs/pretrain-academic-mix-long-context
Viewer • Updated • 2M • 1.05k -
placeholderlabs/pretrain-commits-v2-mix-long-context
Viewer • Updated • 1.98M • 412 -
placeholderlabs/pretrain-nemotron-math-mix-long-context
Viewer • Updated • 84.8k • 332
datasets 37
placeholderlabs/murmur-sounds
Viewer • Updated • 1 • 75
placeholderlabs/pretrain-reasoning-traces-mix
Viewer • Updated • 3.18M • 235
placeholderlabs/pretrain-reasoning-traces-mix-long-context
Viewer • Updated • 1.78k • 98
placeholderlabs/pretrain-repository-v2-mix
Viewer • Updated • 48.1M • 796
placeholderlabs/pretrain-repository-v2-mix-long-context
Viewer • Updated • 5.16M • 598
placeholderlabs/pretrain-commits-v2-mix
Viewer • Updated • 62.9M • 734
placeholderlabs/pretrain-commits-v2-mix-long-context
Viewer • Updated • 1.98M • 412
placeholderlabs/pretrain-encyclopedic-mix-long-context
Viewer • Updated • 47.3k • 182 • 1
placeholderlabs/pretrain-encyclopedic-mix
Viewer • Updated • 13M • 692
placeholderlabs/pretrain-nemotron-math-mix-long-context
Viewer • Updated • 84.8k • 332