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Instruction following on Arena-Hard v2 (test)

1.3AH2 ScoreGPRL
0.780.9151.051.185May 18, 2026

Evaluation results

MethodLinks
GPRLGroup=Online RL with reward model, RM Size=8B, RM Type=GPM, Iter./Ep.=32026.051.3
SimPOGroup=No reward model, RM Size=–, RM Type=–, Iter./Ep.=–2026.051
DPOGroup=No reward model, RM Size=–, RM Type=–, Iter./Ep.=–2026.050.9
SPPOGroup=Reward model, RM Size=8B, RM Type=BT, Iter./Ep.=32026.050.9
SPPOGroup=Reward model, RM Size=8B, RM Type=GPM, Iter./Ep.=32026.050.9
GPOGroup=Reward model, RM Size=8B, RM Type=GPM, Iter./Ep.=32026.050.9
GPOGroup=Reward model, RM Size=8B, RM Type=BT, Iter./Ep.=32026.050.8
GRPOGroup=Online RL with reward model, RM Size=8B, RM Type=BT, Iter./Ep.=32026.050.8