Compare
Grok 4.6 vs Solar Open2 250B
Grok 4.6 (xAI) and Solar Open2 250B (Upstage) compared on benchmarks, pricing, context window, and use-case rankings.
- Grok 4.6 ranks higher for coding (92th vs 60th percentile).
| Attribute | Grok 4.6 | Solar Open2 250B |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 156 | — |
| Coding | 92 | 60 |
| Math | 91 | — |
| Reasoning & Knowledge | 73 | 47 |
| Agentic & Tools | 84 | — |
| Specifications | ||
| Developer | xAI | Upstage |
| Family | Grok | — |
| Released | Aug 12, 2026 | Jun 28, 2026 |
| Parameters | — | 250.3B |
| Availability | API access | Open weights (unrestricted) |
| Context window | 500K | — |
| Price — $/M input | $2.00 | — |
| Price — $/M output | $6.00 | — |
| Inputs | text, image, file | — |
| Outputs | text | — |
| Benchmarks | ||
| AIME 2024/2025 | 99% | — |
| APEX | 41% | — |
| ARC-AGI | 88% | — |
| ARC-AGI-2 | 67% | — |
| GPQA Diamond | 94% | 86% |
| Humanity's Last Exam | 43% | 28% |
| SciCode | 56% | 48% |
| SimpleBench | 76% | — |
| SimpleQA Verified | 49% | — |
| WebDev Arena | 1629 | — |
| WeirdML | 67% | — |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is better for coding, Grok 4.6 or Solar Open2 250B?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Grok 4.6 ranks higher — 92th vs 60th percentile among the models tracked on Model Beat.
Want a different match-up? Open the compare tool to add or swap models.
More comparisons
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.