# Apodex 1.1 vs Solar Open 2

> Side-by-side benchmark comparison for Apodex 1.1 and Solar Open 2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/apodex-1-1-vs-solar-open-2
- Last updated: September 10, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Apodex 1.1 and Solar Open 2 share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Solar Open 2 has the lower published output-token price.
- Solar Open 2 has the larger published context window at 1M.

## Model Snapshot

| Property | Apodex 1.1 | Solar Open 2 |
|----------|----------|----------|
| Creator | Apodex | Upstage |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | N/A | 1M |
| Independent public score (not head-to-head) | 51.55 | null |
| Benchmarks Covered | 10 | 11 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: 53.3 (Estimated · #38/152)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Apodex 1.1 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 70.8% | Coming soon | Coming soon |
| HLE w/ tools | 56.1% | Coming soon | Coming soon |
| APEX-Agents | 38.5% | 16.6% | Apodex 1.1 |
| DeepSearchQA | 92.4% | Coming soon | Coming soon |
| terminalBenchHard | Coming soon | 28.3% | Coming soon |
| MCP Atlas | Coming soon | 58.2% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: 52.3 (Estimated · #47/151)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Apodex 1.1 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 70.8% | Coming soon | Coming soon |
| SWE-bench Verified | 77.7% | 70.4% | Apodex 1.1 |
| LiveCodeBench v6 | Coming soon | 92.4% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: 76.6 (Unranked · 1 rankable row)
- Solar Open 2 public-lane score: Coming soon

### Reasoning

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: 75.5 (Unranked · 2 rankable rows)
- Solar Open 2 public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: 54.6 (Supported · #55/183)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Apodex 1.1 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| HLE | 56.1% | Coming soon | Coming soon |
| FrontierScience Research | 63.3% | Coming soon | Coming soon |
| BioMysteryBench (human-difficult) | 35.3% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 86.2% | Coming soon |
| GPQA-D | Coming soon | 86.3% | Coming soon |
| HLE w/o tools | Coming soon | 28.8% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: Coming soon
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Apodex 1.1 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 80% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Apodex 1.1 public-lane score: Coming soon
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Apodex 1.1 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| IMO 2026 | 31/42 | Coming soon | Coming soon |
| HMMT Feb 2026 | Coming soon | 93.9% | Coming soon |
| AIME26 | Coming soon | 95.7% | Coming soon |

## FAQ

### Is there enough evidence to pick between Apodex 1.1 and Solar Open 2?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Apodex 1.1 vs Apodex 1.1 Mini](/compare/apodex-1-1-vs-apodex-1-1-mini)
- [Solar Open 2 vs Apodex 1.1 Mini](/compare/apodex-1-1-mini-vs-solar-open-2)
- [Apodex 1.1 vs Claude Fable 5.1](/compare/apodex-1-1-vs-claude-fable-5-1)
- [Solar Open 2 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-solar-open-2)

## Explore More

- [Apodex 1.1 profile](/models/apodex-1-1)
- [Solar Open 2 profile](/models/solar-open-2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)