All tasks / Models
Solar Open2 250B
Upstage's open-weights Solar MoE with 250B total and 15B active parameters under the Upstage Solar licence.
- Upstage
- Open weights
- Released 22 Jul 2026
Where it ranks
- CChat & assistantsModels · Local · 25 on Artificial Analysis Intelligence Index (secondary benchmark)
- CCodingModels · Local · 25 on Artificial Analysis Intelligence Index (secondary benchmark)
Facts
- Vendor
- Upstage
- Family
- Solar Open
- Released
- 22 Jul 2026
- Weights
- Open: download and run it yourself
- License
- Upstage Solar License
- Parameters
- 250B (15B active)
- GPU memory to run locally
- ~144 GB (4-bit ≈ 250 B × 0.57 GB + 1.5 GB ≈ 144 GB, estimate.)
- Access
- Free (open weights)
- Last verified
- 19 Oct 2026
Price from huggingface.co, 19 Oct 2026.
Benchmark results
| Benchmark | Result | Entry on the leaderboard | As of | Source |
|---|---|---|---|---|
| Artificial Analysis Intelligence Index | 25 | Solar Open2 250BRaw value from the page's embedded model data; the site displays it rounded to an integer. Flagged 'estimated' by Artificial Analysis. | 19 Oct 2026 | artificialanalysis.ai |
Where you can use it
No tracked tool lists this model yet; as open weights it runs in local runtimes.
Earlier versions
- Solar Open 100B · Dec 2025