GPQA DiamondVerified
85.7%
GPQA Diamond (AA run)
Models / Other
Solar Open2 250B
Solar · Released 2026-08-12
Upstage Solar Open 2, a 250B-A15B MoE for long-horizon agent work. AA lists $0 / $0 per 1M tokens.
Open Solar checkpoint aimed at million-token agent trajectories. Prefer sourced ledger rows over the technical-report table.
Composite55
Context1M
Input / 1MFree
Output / 1MFree
Knowledge cutoffunpublished
Statussolid
Family profile
Best published score in each covered benchmark family.
63/100 avg
- Reasoning
- 86
- Coding
- 48
- Agentic
- 44
- Long context
- 72
4 tested benchmark families
Editor's note
Editorial depth still needs a desk pass.Benchmark placements
Per-benchmark positions
Where Solar Open2 250B places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.
| Benchmark | Family | Rank | Score | Source | Date |
|---|---|---|---|---|---|
| SciCode | Coding | #55/ 97 | 48 | Artificial Analysis | 2026-09-28 |
| Terminal-Bench | Agentic | #85/ 167 | 44 | Artificial Analysis | 2026-09-28 |
| Humanity's Last Exam | Reasoning | #92/ 186 | 29 | Artificial Analysis | 2026-09-28 |
| GPQA Diamond | Reasoning | #93/ 184 | 86 | Artificial Analysis | 2026-09-28 |
| AA-LCR | Long context | #114/ 184 | 72 | Artificial Analysis | 2026-09-28 |
| AA output speed | Performance | #195/ 195 | Artificial Analysis | 2026-09-28 |
Family context
Strongest rows in each family
The three highest-scoring models with pages in each capability family. Where Solar Open2 250B shows up, it's highlighted.
ReasoningSolar Open2 250B · 86
- 196
- 295
- 395
Math
- 152
- 252
- 350
CodingSolar Open2 250B · 48
- 174
- 273
- 370
AgenticSolar Open2 250B · 44
- 191
- 289
- 389
Long contextSolar Open2 250B · 72
- 189
- 286
- 385
Newest receipts
6 recentLast 120 days
Benchmark rows added to the public ledger for Solar Open2 250B in the last 120 days. Older rows live in the full table below.
| Benchmark | Family | Score | Source | Days ago |
|---|---|---|---|---|
| AA-LCR | Long context | 71.67% | Artificial Analysis | 24 |
| AA output speed | Performance | 0 t/s | Artificial Analysis | 24 |
| GPQA Diamond | Reasoning | 85.7% | Artificial Analysis | 24 |
| Humanity's Last Exam | Reasoning | 28.5% | Artificial Analysis | 24 |
| SciCode | Coding | 48% | Artificial Analysis | 24 |
| Terminal-Bench | Agentic | 44.19% | Artificial Analysis | 24 |
Family coverage
Best score per family
A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.
Price vs. performance
Where Solar Open2 250B sits on the scatter
Hover any dot for name, score, and input price. Keyboard: tab through the top twelve, or use the ranking below.
AnthropicOpenAIGoogleAlibabaMetaZhipuxAIDeepSeekMiniMaxXiaomiMoonshotOtherMeituanMistralNVIDIACohere
Full benchmark ledger
Every catalog benchmark for Solar Open2 250B. Scores link to the original source; gaps mean no public row exists yet.
6 of 13 catalog benchmarks have a sourced row for Solar Open2 250B.
Reasoning
Humanity's Last ExamVerified
28.5%
HLE (AA run)
Coding
SciCodeVerified
48%
SciCode (AA run)
Agentic
Terminal-BenchVerified
44.19%
Terminal-Bench v2.1 (AA run)
Long context
AA-LCRVerified
71.67%
AA-LCR (AA run)
Performance
AA output speedVerified
0 t/s
Median output tokens/s (1k prompt, default provider)
Sources
Where the numbers come from
- Solar Open 2 technical report (arXiv)· checked 2026-08-15
- Artificial Analysis Solar Open2 250B· checked 2026-08-15
Questions this model page answers
Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.
What is Solar Open2 250B?
Solar Open2 250B is a Other model: Upstage Solar Open 2, a 250B-A15B MoE for long-horizon agent work. AA lists $0 / $0 per 1M tokens.
What is Solar Open2 250B for?
Open Solar checkpoint aimed at million-token agent trajectories. Prefer sourced ledger rows over the technical-report table.
What does Solar Open2 250B cost?
Solar Open2 250B lists Free input and Free output per 1M tokens. Pricing last checked 2026-08-15.
How large is the Solar Open2 250B context window?
Solar Open2 250B publishes a 1M token context window.
What is the VerdictPal status of Solar Open2 250B?
Solar Open2 250B carries Solid status on the model atlas.
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