solver_id,hf_or_provider_identifier,role,notes
gpt_oss_120b,openai/gpt-oss-120b,actor_and_evaluator,Served on ALCF Sophia via an OpenAI-compatible vLLM endpoint. Weights Apache-2.0 upstream. Solver for 5 of the 10 released settings.
gemma_4_31b,google/gemma-4-31B-it,actor,Served on ALCF Sophia via an OpenAI-compatible vLLM endpoint. Governed by the Gemma Terms of Use (https://ai.google.dev/gemma/terms). Solver for the other 5 released settings.
gpt_oss_120b_prober,openai/gpt-oss-120b,confidence_prober,Same endpoint used as the post-answer failure-risk prober; temperature 0. Its per-problem outputs are released only for the primary 423/416 OmniMath split.
gemma3_27b,google/gemma-3-27b-it,actor_not_released,Tier-sampled 833-problem OmniMath scope check. Not one of the paper's 10 settings; excluded from this release.