Compare
Kimi K3 vs Solar Open 100B
Kimi K3 (Moonshot) and Solar Open 100B (Upstage) compared on benchmarks, pricing, context window, and use-case rankings.
- Kimi K3 ranks higher for coding (97th vs 5th percentile).
| Attribute | Kimi K3 | Solar Open 100B |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 158 | — |
| Coding | 97 | 5 |
| Math | 82 | — |
| Reasoning & Knowledge | 73 | 9 |
| Agentic & Tools | 80 | 16 |
| Specifications | ||
| Developer | Moonshot | Upstage |
| Family | Kimi | — |
| Released | Jul 16, 2026 | Dec 31, 2025 |
| Parameters | 2.8T | 102B |
| Availability | Open weights (non-commercial) | Open weights (restricted use) |
| Context window | 1M | — |
| Price — $/M input | $2.10 | — |
| Price — $/M output | $10.95 | — |
| Inputs | text, image, video | — |
| Outputs | text | — |
| Benchmarks | ||
| AIME 2024/2025 | 97% | — |
| APEX | 39% | — |
| ARC-AGI | 95% | — |
| ARC-AGI-2 | 60% | — |
| GPQA Diamond | 93% | 66% |
| Humanity's Last Exam | 47% | 10% |
| SciCode | 60% | 27% |
| SimpleBench | 61% | — |
| SimpleQA Verified | 51% | — |
| WebDev Arena | 1674 | — |
| WeirdML | 83% | — |
| τ²-bench | — | 48% |
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, Kimi K3 or Solar Open 100B?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Kimi K3 ranks higher — 97th vs 5th 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.