# Claude Opus 4.8 vs Solar Pro 4

> Side-by-side benchmark comparison for Claude Opus 4.8 and Solar Pro 4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-8-vs-solar-pro-4
- Last updated: September 10, 2026

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

## Quick Verdict

Pick Claude Opus 4.8 if you want the stronger benchmark profile. Solar Pro 4 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Opus 4.8 leads overall 72.22 to 0.
- The biggest single benchmark swing is BrowseComp in Agentic, with scores of 84.3% and 49.2%.
- Solar Pro 4 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Claude Opus 4.8 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Opus 4.8 | Solar Pro 4 |
|----------|----------|----------|
| Creator | Anthropic | Upstage |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 512K |
| Overall Score | 72.22 | null |
| Benchmarks Covered | 38 | 10 |
| Pricing (input/output) | $5.00 / $25.00 | $0.30 / $1.20 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Claude Opus 4.8 public-lane score: 62.5 (Supported · #14/152)
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 21.1% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 74.6% | Coming soon | Coming soon |
| BrowseComp | 84.3% | 49.2% | Claude Opus 4.8 |
| DeepSearchQA | 93.1% | Coming soon | Coming soon |
| OSWorld-Verified | 83.4% | Coming soon | Coming soon |
| Finance Agent v2 | 53.9% | Coming soon | Coming soon |
| MCP Atlas | 82.2% | 61.4% | Claude Opus 4.8 |
| Toolathlon | 59.9% | Coming soon | Coming soon |
| Gert Labs | 72.97% | Coming soon | Coming soon |
| ResearchClawBench | 21.1% | Coming soon | Coming soon |
| OSWorld 2.0 | 20.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 71.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 57.0% | Coming soon |
| APEX-Agents | Coming soon | 18.7% | Coming soon |

### Coding

- Winner: Coming soon
- Claude Opus 4.8 public-lane score: 66.4 (Supported · #12/151)
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 88.6% | 70.6% | Claude Opus 4.8 |
| SWE-bench Pro | 69.2% | Coming soon | Coming soon |
| SWE Multilingual | 84.4% | Coming soon | Coming soon |
| SWE Multimodal | 38.4% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 74.6% | Coming soon | Coming soon |
| cursorBench31 | 58.4% | Coming soon | Coming soon |
| cursorBench32 | 62.3% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 46.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.8% | Coming soon | Coming soon |
| SWE-bench (Vals) | 88.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 57.0% | Coming soon |
| LiveCodeBench | Coming soon | 87.8% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Claude Opus 4.8 public-lane score: 87.8 (#3/48)
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 66.2% | Coming soon | Coming soon |
| ScreenSpot Pro | 87.9% | Coming soon | Coming soon |
| CharXiv | 89.9% | Coming soon | Coming soon |
| CharXiv w/o tools | 80.5% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Claude Opus 4.8 public-lane score: 55.5 (#18/20)
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 72.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 1.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Claude Opus 4.8 public-lane score: 71.4 (Supported · #9/183)
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 93.6% | Coming soon | Coming soon |
| GPQA-D | 93.6% | 89.0% | Claude Opus 4.8 |
| HLE | 57.9% | Coming soon | Coming soon |
| HLE w/o tools | 49.8% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 92.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 89.6% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 86.3% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Claude Opus 4.8 public-lane score: 75.4 (#61/123)
- Solar Pro 4 public-lane score: Coming soon

### Multilingual

- Winner: Coming soon
- Claude Opus 4.8 public-lane score: Coming soon
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| INCLUDE | 87.6% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Claude Opus 4.8 public-lane score: 65.4 (#2/7)
- Solar Pro 4 public-lane score: Coming soon

| Benchmark | Claude Opus 4.8 | Solar Pro 4 | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 96.7% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 47.241% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 31.250% | Coming soon | Coming soon |
| AIME26 | Coming soon | 95.3% | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.8 or Solar Pro 4?

Claude Opus 4.8 is ahead overall on BenchLM right now.

### How many benchmarks does Claude Opus 4.8 cover on BenchLM?

Claude Opus 4.8 currently has 38 sourced benchmark scores on BenchLM.

### How many benchmarks does Solar Pro 4 cover on BenchLM?

Solar Pro 4 currently has 10 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.8 vs Solar Pro 2](/compare/claude-opus-4-8-vs-solar-pro-2)
- [Solar Pro 4 vs Solar Pro 2](/compare/solar-pro-2-vs-solar-pro-4)
- [Claude Opus 4.8 vs Solar Pro 3](/compare/claude-opus-4-8-vs-solar-pro-3)
- [Solar Pro 4 vs Solar Pro 3](/compare/solar-pro-3-vs-solar-pro-4)

## Explore More

- [Claude Opus 4.8 profile](/models/claude-opus-4-8)
- [Solar Pro 4 profile](/models/solar-pro-4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)