Name: Solar Open2 250B
Author: Upstage

Solar Open2 250B

Upstage

Upstage's open hybrid-attention mixture-of-experts model for agentic workflows, supporting million-token context and explicit high-reasoning or direct-response modes.

Benchmark scores

Benchmark	Score
AA-LCR v1.1	71.7
AA-Omniscience Index	-1.8
Artificial Analysis Intelligence Index v4.3	24.7
Artificial Analysis Intelligence Index v4.3.2	24.7
Artificial Analysis Omniscience Accuracy	18.8
Artificial Analysis Omniscience Hallucination Rate	25.4
Artificial Analysis Openness Index	33.3
Capability	149.6
CritPt (avg@5)	5.7
GDPval-AA v2	1053
GPQA Diamond (Artificial Analysis avg@5)	85.7
Humanity's Last Exam (Text-Only)	28.5
SciCode 1.0.1 (Artificial Analysis)	48.0
Terminal-Bench 2.1	44.2
𝜏³-Banking	21.6