# Solar Open 2 vs ZAYA1-74B-Preview

> Side-by-side benchmark comparison for Solar Open 2 and ZAYA1-74B-Preview across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/solar-open-2-vs-zaya1-74b-preview
- Last updated: September 10, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick ZAYA1-74B-Preview if you want the stronger benchmark profile. Solar Open 2 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- ZAYA1-74B-Preview leads overall 45 to 0.
- The biggest single benchmark swing is GPQA-D in Knowledge, with scores of 86.3% and 57.3%.
- Solar Open 2 also has the larger context window at 1M.

## Model Snapshot

| Property | Solar Open 2 | ZAYA1-74B-Preview |
|----------|----------|----------|
| Creator | Upstage | Zyphra |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | null | null |
| Benchmarks Covered | 11 | 7 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Solar Open 2 public-lane score: Coming soon
- ZAYA1-74B-Preview public-lane score: Coming soon

| Benchmark | Solar Open 2 | ZAYA1-74B-Preview | Winner |
|-----------|-----------|-----------|--------|
| terminalBenchHard | 28.3% | Coming soon | Coming soon |
| APEX-Agents | 16.6% | Coming soon | Coming soon |
| MCP Atlas | 58.2% | Coming soon | Coming soon |
| τ²-bench Airline | Coming soon | 56.1% | Coming soon |

### Coding

- Winner: Coming soon
- Solar Open 2 public-lane score: Coming soon
- ZAYA1-74B-Preview public-lane score: 46.6 (Estimated · #78/151)

| Benchmark | Solar Open 2 | ZAYA1-74B-Preview | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 92.4% | 65.7% | Solar Open 2 |
| SWE-bench Verified | 70.4% | 53.2% | Solar Open 2 |

### Knowledge

- Winner: Coming soon
- Solar Open 2 public-lane score: Coming soon
- ZAYA1-74B-Preview public-lane score: 44.5 (Estimated · #114/183)

| Benchmark | Solar Open 2 | ZAYA1-74B-Preview | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 86.2% | 68.1% | Solar Open 2 |
| GPQA-D | 86.3% | 57.3% | Solar Open 2 |
| HLE w/o tools | 28.8% | Coming soon | Coming soon |
| GPQA | Coming soon | 57.3% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Solar Open 2 public-lane score: Coming soon
- ZAYA1-74B-Preview public-lane score: Coming soon

| Benchmark | Solar Open 2 | ZAYA1-74B-Preview | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 80% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Solar Open 2 public-lane score: Coming soon
- ZAYA1-74B-Preview public-lane score: 56.4 (Unranked · 1 rankable row)

| Benchmark | Solar Open 2 | ZAYA1-74B-Preview | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | 93.9% | Coming soon | Coming soon |
| AIME26 | 95.7% | 76.4% | Solar Open 2 |

## FAQ

### Which is better overall, Solar Open 2 or ZAYA1-74B-Preview?

ZAYA1-74B-Preview is ahead overall on BenchLM right now.

### How many benchmarks does Solar Open 2 cover on BenchLM?

Solar Open 2 currently has 11 sourced benchmark scores on BenchLM.

### How many benchmarks does ZAYA1-74B-Preview cover on BenchLM?

ZAYA1-74B-Preview currently has 7 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Solar Open 2 vs ZAYA1-8B](/compare/solar-open-2-vs-zaya1-8b)
- [ZAYA1-74B-Preview vs ZAYA1-8B](/compare/zaya1-74b-preview-vs-zaya1-8b)
- [Solar Open 2 vs ZAYA1-VL-8B](/compare/solar-open-2-vs-zaya1-vl-8b)
- [ZAYA1-74B-Preview vs ZAYA1-VL-8B](/compare/zaya1-74b-preview-vs-zaya1-vl-8b)

## Explore More

- [Solar Open 2 profile](/models/solar-open-2)
- [ZAYA1-74B-Preview profile](/models/zaya1-74b-preview)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)