# Solar Open 2 vs ZAYA1-8B

> Side-by-side benchmark comparison for Solar Open 2 and ZAYA1-8B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/solar-open-2-vs-zaya1-8b
- Last updated: September 10, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick ZAYA1-8B 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

- ZAYA1-8B leads overall 58 to 0.
- The biggest single benchmark swing is IFBench in Instruction Following, with scores of 80% and 52.6%.
- Solar Open 2 also has the larger context window at 1M.

## Model Snapshot

| Property | Solar Open 2 | ZAYA1-8B |
|----------|----------|----------|
| Creator | Upstage | Zyphra |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 131K |
| Overall Score | null | null |
| Benchmarks Covered | 11 | 11 |
| 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
- ZAYA1-8B public-lane score: 45.7 (Estimated · #80/152)

| Benchmark | Solar Open 2 | ZAYA1-8B | Winner |
|-----------|-----------|-----------|--------|
| terminalBenchHard | 28.3% | Coming soon | Coming soon |
| APEX-Agents | 16.6% | Coming soon | Coming soon |
| MCP Atlas | 58.2% | Coming soon | Coming soon |
| BFCL v4 | Coming soon | 39.2% | Coming soon |

### Coding

- Winner: Coming soon
- Solar Open 2 public-lane score: Coming soon
- ZAYA1-8B public-lane score: Coming soon

| Benchmark | Solar Open 2 | ZAYA1-8B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 92.4% | 65.8% | Solar Open 2 |
| SWE-bench Verified | 70.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Solar Open 2 public-lane score: Coming soon
- ZAYA1-8B public-lane score: 43.3 (Estimated · #118/183)

| Benchmark | Solar Open 2 | ZAYA1-8B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 86.2% | 74.2% | Solar Open 2 |
| GPQA-D | 86.3% | 71.0% | Solar Open 2 |
| HLE w/o tools | 28.8% | Coming soon | Coming soon |
| GPQA | Coming soon | 71% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Solar Open 2 public-lane score: Coming soon
- ZAYA1-8B public-lane score: 35.6 (#110/123)

| Benchmark | Solar Open 2 | ZAYA1-8B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 80% | 52.6% | Solar Open 2 |
| IFEval | Coming soon | 85.6% | Coming soon |

### Mathematics

- Winner: Coming soon
- Solar Open 2 public-lane score: Coming soon
- ZAYA1-8B public-lane score: 62.6 (Unranked · 4 rankable rows)

| Benchmark | Solar Open 2 | ZAYA1-8B | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | 93.9% | 71.6% | Solar Open 2 |
| AIME26 | 95.7% | 89.1% | Solar Open 2 |
| IMOAnswerBench | Coming soon | 59.3% | Coming soon |
| Apex | Coming soon | 32.2% | Coming soon |

## FAQ

### Which is better overall, Solar Open 2 or ZAYA1-8B?

ZAYA1-8B 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 ZAYA1-8B cover on BenchLM?

ZAYA1-8B currently has 11 sourced benchmark scores on BenchLM.

## Related Comparisons

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

## Explore More

- [Solar Open 2 profile](/models/solar-open-2)
- [ZAYA1-8B profile](/models/zaya1-8b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)