# Grok 4.6 vs Solar Open 2

> Side-by-side benchmark comparison for Grok 4.6 and Solar Open 2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-4-6-vs-solar-open-2
- Last updated: September 10, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Grok 4.6 and Solar Open 2 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is 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 | Grok 4.6 | Solar Open 2 |
|----------|----------|----------|
| Creator | xAI | Upstage |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 500K | 1M |
| Independent public score (not head-to-head) | 70.08 | null |
| Benchmarks Covered | 13 | 11 |
| Pricing (input/output) | $2.00 / $6.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Grok 4.6 public-lane score: 69.5 (Supported · #7/152)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Grok 4.6 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 26.5% | Coming soon | Coming soon |
| APEX-Agents | 57.5% | 16.6% | Grok 4.6 |
| Terminal-Bench 2.1 (Vals) | 78.3% | Coming soon | Coming soon |
| terminalBenchHard | Coming soon | 28.3% | Coming soon |
| MCP Atlas | Coming soon | 58.2% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Grok 4.6 public-lane score: 66.5 (Supported · #11/151)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Grok 4.6 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| Bug Hunt Bench | 27 fixes | Coming soon | Coming soon |
| DeepSWE | 65.9% | Coming soon | Coming soon |
| cursorBench32 | 70.8% | Coming soon | Coming soon |
| FrontierCode 1.1 Extended | 61.3% | Coming soon | Coming soon |
| VulcanBench v3 | 87.0% | Coming soon | Coming soon |
| FrontierSWE v2 | 25.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 88.2% | Coming soon | Coming soon |
| SWE-bench (Vals) | 95.6% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 92.4% | Coming soon |
| SWE-bench Verified | Coming soon | 70.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Grok 4.6 public-lane score: 76.2 (#9/20)
- Solar Open 2 public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Grok 4.6 public-lane score: 70.3 (Supported · #12/183)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Grok 4.6 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 94.7% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.4% | 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
- Grok 4.6 public-lane score: Coming soon
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Grok 4.6 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 80% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Grok 4.6 public-lane score: Coming soon
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Grok 4.6 | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | Coming soon | 93.9% | Coming soon |
| AIME26 | Coming soon | 95.7% | Coming soon |

## FAQ

### Is there enough evidence to pick between Grok 4.6 and Solar Open 2?

Not yet. The models share only 1 sourced benchmark row, 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

- [Grok 4.6 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-grok-4-6)
- [Solar Open 2 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-solar-open-2)
- [Grok 4.6 vs GPT-6 Astra](/compare/gpt-6-astra-vs-grok-4-6)
- [Solar Open 2 vs GPT-6 Astra](/compare/gpt-6-astra-vs-solar-open-2)

## Explore More

- [Grok 4.6 profile](/models/grok-4-6)
- [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)