Solar Open 2 250B hardware requirements
About the model
- Parameters
- 250.29B total · 15B active (MoE)
- Attention
- Hybrid linear attention
- Max context
- 1,048,576 tokens
- Released
- 2026-07-22
- Model card
- Solar Open 2 250B on Hugging Face
GGUF files
| Quant | File size | Quality | Published by |
|---|---|---|---|
| Q2_K | 95.43 GB | Heavy loss | Community GGUF · prometheusAIR |
| IQ4_XSbaseline | 136.24 GB | Good balance | Community GGUF · prometheusAIR |
| Q6_K | 205.55 GB | Near-lossless | Community GGUF · prometheusAIR |
Memory needed by quant and context
| Quant | 4k | 8k | 16k | 32k | 64k | 128k | 256k |
|---|---|---|---|---|---|---|---|
| Q2_K | 96.2 | 96.4 | 96.9 | 97.8 | 99.8 | 103.6 | 111.2 |
| IQ4_XS | 137.0 | 137.2 | 137.7 | 138.7 | 140.6 | 144.4 | 152.0 |
| Q6_K | 206.3 | 206.5 | 207.0 | 208.0 | 209.9 | 213.7 | 221.3 |
Which GPUs can run Solar Open 2 250B?
How to read the verdicts
- Runs great
- Fully on the GPU at 20 tok/s or more
- Runs well
- Fully on the GPU at 8–20 tok/s; MoE experts in system RAM at 20 tok/s or more; or at least 90% on the GPU at 8 tok/s or more
- Runs slowly
- 2–8 tok/s; CPU-only; less than 90% on the GPU; or MoE experts in system RAM below 20 tok/s
- Won't run
- Does not fit, or under 2 tok/s
Scroll sideways to see every column.
| Hardware | Verdict | Speed | Quant | Memory | Runs as | Context | Notes | Price |
|---|---|---|---|---|---|---|---|---|
| Apple M3 Ultra · 256 GB | Runs great | est. 27.7 tok/s22.2–33.3calibrated estimate ±20% | IQ4_XS | 137.2 / 179.2 GB | Unified memory | up to 64k | — | — |
| Apple M2 Ultra · 192 GB | Runs slowly | est. 27.1 tok/s19.0–35.2theoretical estimate ±30% | IQ4_XS | 136.6 GB RAM | CPU only | up to 256k |
| — |
| Apple M5 Max (40-core GPU) · 128 GB | Won't runTry Q2_K (heavy quality loss): Runs slowly | est. 30.1 tok/s21.1–39.1theoretical estimate ±30% | Q2_K | 95.8 GB RAM | CPU only | up to 256k |
| — |
| Apple M4 Max (40-core GPU) · 128 GB | Won't runTry Q2_K (heavy quality loss): Runs slowly | est. 26.8 tok/s18.7–34.8theoretical estimate ±30% | Q2_K | 95.8 GB RAM | CPU only | up to 256k |
| — |
| Ryzen AI Max+ 395 (Strix Halo) · 128 GB | Won't runTry Q2_K (heavy quality loss): Runs slowly | est. 18.0 tok/s12.6–23.4theoretical estimate ±30% | Q2_K | 95.8 GB RAM | CPU only | up to 256k |
| $1,999 launch MSRP |
| NVIDIA DGX Spark · 128 GB | Won't runTry Q2_K (heavy quality loss): Runs slowly | est. 15.3 tok/s10.7–19.9theoretical estimate ±30% | Q2_K | 95.8 GB RAM | CPU only | up to 256k |
| $3,999 launch MSRP |
| Apple M4 · 32 GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| Apple M4 Max (32-core GPU) · 48 GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| Apple M4 Pro · 64 GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| Apple M5 · 32 GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| Apple M5 Max (32-core GPU) · 48 GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| Apple M5 Pro · 64 GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| Intel Arc B580 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $290 street (as of 2026-08-09) |
| DDR4-3200 dual-channel CPU · 64 GB | Won't run | — | IQ4_XS | needs 136.6 GB | — | — |
| — |
| DDR5-5600 dual-channel CPU · 96 GB | Won't run | — | IQ4_XS | needs 136.6 GB | — | — |
| — |
| DDR5-6000 dual-channel CPU · 96 GB | Won't run | — | IQ4_XS | needs 136.6 GB | — | — |
| — |
| GeForce GTX 1080 Ti | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $699 launch MSRP |
| GeForce RTX 2080 Ti | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $999 launch MSRP |
| GeForce RTX 3050 8GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $249 launch MSRP |
| GeForce RTX 3060 12GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $250 street (as of 2026-08-09) |
| GeForce RTX 3070 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $499 launch MSRP |
| GeForce RTX 3080 10GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $699 launch MSRP |
| GeForce RTX 3080 12GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $799 launch MSRP |
| GeForce RTX 3090 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $1,050 street (as of 2026-08-09) |
| GeForce RTX 3090 Ti | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $1,999 launch MSRP |
| GeForce RTX 4060 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $299 launch MSRP |
| GeForce RTX 4060 Laptop | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| GeForce RTX 4060 Ti 16GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $499 launch MSRP |
| GeForce RTX 4060 Ti 8GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $399 launch MSRP |
| GeForce RTX 4070 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $599 launch MSRP |
| GeForce RTX 4070 Laptop | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| GeForce RTX 4070 Super | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $599 launch MSRP |
| GeForce RTX 4070 Ti Super | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $799 launch MSRP |
| GeForce RTX 4080 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $1,199 launch MSRP |
| GeForce RTX 4080 Laptop | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| GeForce RTX 4080 Super | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $999 launch MSRP |
| GeForce RTX 4090 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $2,755 street (as of 2026-08-09) |
| GeForce RTX 4090 Laptop | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| GeForce RTX 5060 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $339 street (as of 2026-08-09) |
| GeForce RTX 5060 Ti 16GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $569 street (as of 2026-08-09) |
| GeForce RTX 5060 Ti 8GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $429 street (as of 2026-08-09) |
| GeForce RTX 5070 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $629 street (as of 2026-08-09) |
| GeForce RTX 5070 Ti | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $949 street (as of 2026-08-09) |
| GeForce RTX 5070 Ti Laptop | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| GeForce RTX 5080 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $1,256 street (as of 2026-08-09) |
| GeForce RTX 5080 Laptop | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| GeForce RTX 5090 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $4,200 street (as of 2026-08-09) |
| GeForce RTX 5090 Laptop | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| — |
| Radeon RX 7800 XT | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $499 launch MSRP |
| Radeon RX 7900 XT | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $899 launch MSRP |
| Radeon RX 7900 XTX | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $999 launch MSRP |
| Radeon RX 9060 XT 16GB | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $449 street (as of 2026-08-09) |
| Radeon RX 9070 | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $639 street (as of 2026-08-09) |
| Radeon RX 9070 XT | Won't run | — | IQ4_XS | needs 137.2 GB | — | — |
| $689 street (as of 2026-08-09) |
Cheapest GPUs that run it
No GPU with a current street price reaches Runs great or Runs well at IQ4_XS. The table above lists Macs, unified-memory PCs and CPU setups.
Measured results for Solar Open 2 250B
No public measurements for this model yet.
Frequently asked questions
How much VRAM does Solar Open 2 250B need?
At IQ4_XS the weights are 136.24 GB; with 8k context the total is about 137.2 GB (KV cache 0.4 GB, compute buffer 0.6 GB). The smallest tracked file (Q2_K (heavy quality loss)) needs about 96.4 GB.
What is the cheapest GPU that runs Solar Open 2 250B well?
No GPU with a current street price reaches Runs great or Runs well at IQ4_XS. The best tracked option is Apple M3 Ultra · 256 GB: Runs great.
Can Solar Open 2 250B run on an 8 GB, 16 GB or 24 GB GPU?
At IQ4_XS with 8k context: GeForce RTX 4060 — Won't run; GeForce RTX 5060 Ti 16GB — Won't run; GeForce RTX 3090 — Won't run.
Speeds are estimates from memory bandwidth, calibrated against public benchmarks, and each one comes with an error band and a confidence label. Real results vary with drivers, backend, context length and thermals.