Solar-Open2-250B: benchmark scores, price and ranking

Solar-Open2-250B from upstage ranks #49 of 743 LLMs on the LLMs Tiger aggregate benchmark score (52.9), based on 2 benchmark results captured up to 2026-10-13.

Organisation
upstage
Type
Open-weight / local model
Open weights
Yes
Aggregate rank
#49 of 743 (score 52.9)

Across the 2 benchmarks where at least ten models are scored, Solar-Open2-250B is in the top 10% on 1 and in the top half on 2.

Solar-Open2-250B benchmark results

Solar-Open2-250B benchmark scores, ranked against all models measured on each benchmark
BenchmarkScoreRankSourceCaptured
MMLU-Pro86.2%#10 of 136HuggingFace MMLU-Pro leaderboard2026-10-13
GPQA Diamond86.3%#67 of 275HuggingFace GPQA Diamond leaderboard2026-10-13

About Solar-Open2-250B

Solar-Open2-250B is an open-weight model that can run on your own hardware from upstage. No API price is listed for it yet. We hold 2 benchmark results for it across 1 area, and 1 is in the top tenth of its board.

Where Solar-Open2-250B stands

On our aggregate score, Solar-Open2-250B is #49 of 743 ranked models, in the top fifty. Its score is 52.9; the scale is centred on 50, so it sits 2.9 points above the typical model. That beats 93% of the ranked field.

Solar-Open2-250B, benchmark by benchmark

On MMLU-Pro, Solar-Open2-250B scores 86.2% and ranks #10 of 136. Only 9 models score higher, led by Darwin-180B-RSI at 88.1%, which is 1.9 points ahead. It covers 57-subject knowledge + reasoning. The board median is 55.3%, so Solar-Open2-250B is 30.9 points above it. Source: HuggingFace MMLU-Pro leaderboard, captured 2026-10-13.

On GPQA Diamond, Solar-Open2-250B reaches 86.3%. It ranks #67 of 275, ahead of 76% of the field, and 9.5 points behind GPT-6 Astra (max) at 95.8%. The results either side are Claude Opus 4.7 (max) (86.4%) and GLM-5.1 (86.2%). It covers expert-level science questions. The board median is 71.7%, so Solar-Open2-250B is 14.6 points above it. Source: HuggingFace GPQA Diamond leaderboard, captured 2026-10-13.

Strengths and weaknesses

Reasoning, maths and science: strong, ahead of 84% of the field on average across 2 benchmarks. Its best board here is MMLU-Pro (#10 of 136) and its weakest is GPQA Diamond (#67 of 275).

Reading these numbers

The 2 scores on this page come from 2 sources: HuggingFace GPQA Diamond leaderboard (1), HuggingFace MMLU-Pro leaderboard (1). No official leaderboard supplied any of them, so treat them as third-party measurements. With 2 results the aggregate rank can move a lot when one new score arrives.

Models ranked nearby

Compare it on the live leaderboard → · How the aggregate score works