# Claude Opus 4.7 (Adaptive) vs Solar Open 2

> Side-by-side benchmark comparison for Claude Opus 4.7 (Adaptive) and Solar Open 2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-7-adaptive-vs-solar-open-2
- Last updated: September 10, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Claude Opus 4.7 (Adaptive) 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

- Claude Opus 4.7 (Adaptive) leads overall 69.1 to 0.
- The biggest single benchmark swing is MCP Atlas in Agentic, with scores of 77.3% 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 | Claude Opus 4.7 (Adaptive) | Solar Open 2 |
|----------|----------|----------|
| Creator | Anthropic | Upstage |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 69.1 | null |
| Benchmarks Covered | 21 | 11 |
| Pricing (input/output) | $5.00 / $25.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 57.4 (Supported · #31/152)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 69.4% | Coming soon | Coming soon |
| BrowseComp | 79.3% | Coming soon | Coming soon |
| MCP Atlas | 77.3% | 58.2% | Claude Opus 4.7 (Adaptive) |
| OSWorld-Verified | 78% | Coming soon | Coming soon |
| CyberGym | 73.1% | Coming soon | Coming soon |
| OSWorld 2.0 | 18.2% | Coming soon | Coming soon |
| JobBench | 45.9% | Coming soon | Coming soon |
| terminalBenchHard | Coming soon | 28.3% | Coming soon |
| APEX-Agents | Coming soon | 16.6% | Coming soon |

### Coding

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 57.6 (Estimated · #31/151)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 87.6% | 70.4% | Claude Opus 4.7 (Adaptive) |
| SWE-bench Pro | 64.3% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 69.4% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 92.4% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 50.3 (#36/48)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 43.6% | Coming soon | Coming soon |
| CharXiv | 91% | Coming soon | Coming soon |
| CharXiv w/o tools | 82.1% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 49.7 (Unranked · 3 rankable rows)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 128K-256K | 59.2% | Coming soon | Coming soon |
| ARC-AGI-2 | 75.8% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: 61.1 (Estimated · #33/183)
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.2% | Coming soon | Coming soon |
| GPQA-D | 94.2% | 86.3% | Claude Opus 4.7 (Adaptive) |
| HLE | 54.7% | Coming soon | Coming soon |
| HLE w/o tools | 46.9% | 28.8% | Claude Opus 4.7 (Adaptive) |
| MMLU-Pro | Coming soon | 86.2% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: Coming soon
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 80% | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Opus 4.7 (Adaptive) public-lane score: Coming soon
- Solar Open 2 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Solar Open 2 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath (legacy) | 43.8% | Coming soon | Coming soon |
| HMMT Feb 2026 | Coming soon | 93.9% | Coming soon |
| AIME26 | Coming soon | 95.7% | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.7 (Adaptive) or Solar Open 2?

Claude Opus 4.7 (Adaptive) is ahead overall on BenchLM right now.

### How many benchmarks does Claude Opus 4.7 (Adaptive) cover on BenchLM?

Claude Opus 4.7 (Adaptive) 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

- [Claude Opus 4.7 (Adaptive) vs Claude Opus 4.7](/compare/claude-opus-4-7-vs-claude-opus-4-7-adaptive)
- [Solar Open 2 vs Claude Opus 4.7](/compare/claude-opus-4-7-vs-solar-open-2)
- [Claude Opus 4.7 (Adaptive) vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-opus-4-7-adaptive)
- [Solar Open 2 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-solar-open-2)

## Explore More

- [Claude Opus 4.7 (Adaptive) profile](/models/claude-opus-4-7-adaptive)
- [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)