# Inkling vs Solar Open 2

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

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

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

## Quick Verdict

Pick Inkling 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

- Inkling leads overall 60.28 to 0.
- The biggest single benchmark swing is MCP Atlas in Agentic, with scores of 74.1% and 58.2%.
- Solar Open 2 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Inkling | Solar Open 2 |
|----------|----------|----------|
| Creator | Thinking Machines Lab | Upstage |
| Type | Open Weight | Open Weight |
| Reasoning | Hybrid | Reasoning |
| Context | 1M | 1M |
| Overall Score | 60.28 | null |
| Benchmarks Covered | 21 | 11 |
| Pricing (input/output) | $1.87 / $4.68 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Inkling public-lane score: 38.3 (Supported · #122/152)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Inkling | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 63.8% | Coming soon | Coming soon |
| BrowseComp | 77.1% | Coming soon | Coming soon |
| MCP Atlas | 74.1% | 58.2% | Inkling |
| Terminal-Bench 2.1 (Vals) | 47.6% | Coming soon | Coming soon |
| terminalBenchHard | Coming soon | 28.3% | Coming soon |
| APEX-Agents | Coming soon | 16.6% | Coming soon |

### Coding

- Winner: Coming soon
- Inkling public-lane score: 41.1 (Supported · #111/151)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Inkling | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 77.6% | 70.4% | Inkling |
| SWE-bench Pro | 54.3% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 63.8% | Coming soon | Coming soon |
| FrontierSWE v2 | 4.1% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 77.6% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 92.4% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Inkling public-lane score: 49.2 (#38/48)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Inkling | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 73.5% | Coming soon | Coming soon |
| CharXiv | 82% | Coming soon | Coming soon |
| CharXiv w/o tools | 78.1% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Inkling public-lane score: 74.1 (Unranked · 2 rankable rows)
- Solar Open 2 public-lane score: Coming soon

### Knowledge

- Winner: Coming soon
- Inkling public-lane score: 57.4 (Supported · #43/183)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Inkling | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.9% | Coming soon | Coming soon |
| GPQA-D | 87.9% | 86.3% | Inkling |
| HLE | 46% | Coming soon | Coming soon |
| HLE w/o tools | 30% | 28.8% | Inkling |
| GPQA Diamond (Vals) | 87.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.3% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 86.2% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Inkling public-lane score: 85.2 (#44/123)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Inkling | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.8% | 80% | Solar Open 2 |

### Mathematics

- Winner: Coming soon
- Inkling public-lane score: 78.9 (Unranked · 1 rankable row)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Inkling | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 97.1% | 95.7% | Inkling |
| HMMT Feb 2026 | Coming soon | 93.9% | Coming soon |

## FAQ

### Which is better overall, Inkling or Solar Open 2?

Inkling is ahead overall on BenchLM right now.

### How many benchmarks does Inkling cover on BenchLM?

Inkling currently has 21 sourced benchmark scores on BenchLM.

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

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

## Related Comparisons

- [Inkling vs Inkling-Small](/compare/inkling-vs-inkling-small)
- [Solar Open 2 vs Inkling-Small](/compare/inkling-small-vs-solar-open-2)
- [Inkling vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-inkling)
- [Solar Open 2 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-solar-open-2)

## Explore More

- [Inkling profile](/models/inkling)
- [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)