Reasoning-based Retrieval on BRIGHT 1.0 (test) benchmark leaderboard · SOTA2 Research

Reasoning-based Retrieval on BRIGHT 1.0 (test)

61.77NDCG@10 (Bio.)HGPO

Evaluation Results

Method	Links
HGPO2026.05		61.77	59.53	27.87	41.93	26.7	33.99	32.72	30.81	19.72	16.07	43.02	45.16	36.61
Tree-GRPO2026.05		60.19	56.29	27.91	43.47	27.6	31.09	30.09	35.91	16.92	15.59	43.12	48.47	36.39
Diver2026.05		60	55.9	31.8	47.9	27.1	33.9	31.9	35.1	23.1	16.8	36.9	46.6	37.2
RICE-PO2026.05		59.32	59.15	28.49	42	28.18	35	30.73	35.37	17.14	18.97	45.39	49.37	37.76
GRPO2026.05		58.03	56.82	29.08	42.57	27.97	34.52	27.28	36.61	17.44	12.44	44.92	49.29	36.42
GiGPO2026.05		57.82	57.8	27.91	41.32	27.94	32.75	29.35	35.69	17.91	16.15	45.94	45.19	36.31
Prompting agents2026.05		54.36	54.89	27.04	40.54	26.12	32.44	29.38	30.8	15.36	12.99	40.38	47.27	34.3
TongSearch-QR2026.05		46.2	45.1	31.2	39.6	25.3	28.7	28.4	31.2	16.3	10.8	40	39.3	31.9
RICE-PO2026.05		40.17	43.79	18.35	32.13	17.47	22.61	22.54	34.13	10.79	10.77	40.06	37	27.49
Tree-GRPO2026.05		37.24	44.09	19.42	28.73	18.99	22.99	21.65	29.25	11.73	10.79	30.68	36.49	26
GiGPO2026.05		37	41.58	23.41	29.1	16.81	22.28	21.41	33.53	11.83	7.96	31.14	34.46	25.88
HGPO2026.05		36.36	41.73	20.02	26.94	15	23.62	20.46	29.16	11.65	7.81	34.58	38.01	25.45
RaDeR2026.05		36.1	42.9	25.2	37.9	16.6	27.4	25	34.8	11.9	12	37.7	43.4	29.2
GRPO2026.05		34.5	45.61	18.71	31.68	17.86	19.88	22.38	27.98	11.25	5.42	31.08	33.48	24.98
DeepRetrieval2026.05		22.48	25.6	17.06	21.13	13.46	16.75	16.93	24.99	8.13	3.88	27.9	22.01	18.36
Prompting agents2026.05		20.41	25.14	9.74	13.77	7.99	6.81	8.79	13.08	7.01	3.03	13.48	11.74	11.75