2.7T Math RL
Collection
Research artifacts from Snowball 2.7T math RL. Raw mutable-router exports may collapse; use only models marked repaired or verified frozen. • 17 items • Updated
Snowball-67B-A2B-Math-RL-E1-ctx8k-p8-Step5
This is the exact checkpoint used for a reported row in the Snowball 67B-A2B math-RL experiment.
Router state: SFT router-bias repaired. Closely named older laion/rl-snowball-* repositories may contain raw mutable-router exports that collapse under inference. Do not substitute them for this artifact. Models from this campaign are research checkpoints, not production releases; their utility is limited unless router-bias repair or frozen-router integrity is preserved.
- Arm:
E1 ctx8k-p8 - Step:
5 - Held-out AIME24 / MATH-500 / OlympiadBench:
15.67 / 70.40 / 13.33 - Selection: Only evaluated E1 checkpoint; re-evaluation scores
- Source artifact:
s3://marin-us-east-02a/marin/exports/snowball-bias-repaired/rl-snowball-e1-rno2a-ctx8k-p8-grug-67b-a-20260730-225618-8d52bd/global_step_5/policy/ - Experiment issue: https://github.com/marin-community/marin/issues/7786
- Evidence archive: https://huggingface.co/datasets/penfever/snowball-67b-a2b-math-rl-artifacts
The scores and evaluation caveats are recorded in MATH_EVALS.md in the evidence archive. Preserve config.json, the tokenizer files, and all shards named by model.safetensors.index.json together.
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