Updated daily at 05:00 UTC
- Released
- 8 Jul 2026
- Status
- Current
- Context
- 1M
- Max output
- —
- Input per 1M tokens
- —
- Output per 1M tokens
- —
- Open weights
- Yes
- License
- upstage-solar-license
- Parameters
- 250B
- Knowledge cutoff
- Feb 2026
- Reasoning
- Yes
- Modalities
- text → text
Category scores
Out of 100, from independent and third-party results only, by method category-2026-09-29.1.
Not enough independent results yet
Only independent and third-party results rank a model; self-reported and unattributed numbers never do.
Benchmark results
Every result we hold for this model, with who ran it and where it was published.
Knowledge & reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Humanity's Last Exam (HLE) | Accuracy | 28.8% | Self-reported | — | — | Model Card via Hugging Face Community Evals |
| MMLU-Pro | Accuracy | 86.2% | Self-reported | — | — | Model Card via Hugging Face Community Evals |
Scientific reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| GPQA Diamond | Accuracy | 86.3% | Self-reported | — | — | Model Card via Hugging Face Community Evals |
Other Solar Open versions
- Solar-Open-100BDec 2025