Upstage, unknown

# Solar Pro 4

> Solar Pro 4 by Upstage. Ranked #122 of 368 with a Noometry Index of 43.0. Scores, sources and comparisons.
- Canonical page: https://noometry.com/models/solar-pro-4
- Last updated: 2026-11-04
- Title: Solar Pro 4 Benchmarks, Price & Rank (November 2026)

Solar Pro 4 by Upstage ranks 122nd of 368 ranked models on the Noometry Index as of November 2026, with a score of 43.0. Its strongest category is reasoning, where it ranks 101st.

Last verified November 4, 2026

## Specifications

- **Noometry rank:** #122 of 368
- **Index score:** 43.0
- **Evidence:** Confirmed 18 results
- **Provider:** [![](/logos/upstage.svg) Upstage](https://noometry.com/providers/upstage)
- **Released:** Unknown
- **Weights:** Unknown
- **Reasoning:** Unknown
- **Context window:** —
- **Max output:** —
- **Input price:** Not listed
- **Output price:** Not listed
- **Blended price:** Not listed
- **Output speed:** Not measured
- **Value:** Not ranked
- **Knowledge cutoff:** Unknown

## Category scores

Each category score combines every public result we have in that category.

Solar Pro 4 category scores

1.  Coding 40.3
2.  Reasoning 31.3
3.  Math 41.0
4.  Knowledge 40.8
5.  Multilingual 47.6
6.  Instruction Following 72.4
7.  Long Context 42.1
8.  Writing & Preference 56.8
9.  020406080

Solar Pro 4 category ranks
| Category | Score | Rank | Results |
| --- | --- | --- | --- |
| [Coding](https://noometry.com/best/coding) | 40.3 | #156 | 2 |
| [Reasoning](https://noometry.com/best/reasoning) | 31.3 | #101 | 1 |
| [Math](https://noometry.com/best/math) | 41.0 | #127 | 1 |
| [Knowledge](https://noometry.com/best/knowledge) | 40.8 | #138 | 1 |
| [Multilingual](https://noometry.com/best/multilingual) | 47.6 | #136 | 1 |
| [Instruction Following](https://noometry.com/best/instruction-following) | 72.4 | #139 | 1 |
| [Long Context](https://noometry.com/best/long-context) | 42.1 | #130 | 1 |
| [Writing & Preference](https://noometry.com/best/writing) | 56.8 | #138 | 3 |

## Strengths and weaknesses

Categories where Solar Pro 4 places highest and lowest among the models ranked in each, with its score against that category's median.

### Strongest categories

Solar Pro 4: strongest categories
| Category | Score | vs median | Rank |
| --- | --- | --- | --- |
| [Reasoning](https://noometry.com/best/reasoning) | 31.3 | +5.2 | #101 of 349, top 29% |
| [Math](https://noometry.com/best/math) | 41.0 | +2.4 | #127 of 342, top 38% |
| [Knowledge](https://noometry.com/best/knowledge) | 40.8 | +2.5 | #138 of 326, top 43% |

### Weakest categories

Solar Pro 4: weakest categories
| Category | Score | vs median | Rank |
| --- | --- | --- | --- |
| [Multilingual](https://noometry.com/best/multilingual) | 47.6 | +0.8 | #136 of 294, top 47% |
| [Instruction Following](https://noometry.com/best/instruction-following) | 72.4 | +1.4 | #139 of 308, top 46% |
| [Coding](https://noometry.com/best/coding) | 40.3 | +1.1 | #156 of 346, top 46% |

## Closest competitors

The models ranked just above and below Solar Pro 4. When scores are this close, price and speed are often the better way to choose.

Models ranked closest to Solar Pro 4
| Model | Rank | Score | Blended $/M | Speed |  |
| --- | --- | --- | --- | --- | --- |
| [GPT-5.5 Instant](https://noometry.com/models/gpt-5-5-instant) | #118 | 43.4 | — | — | [Compare](https://noometry.com/compare/gpt-5-5-instant-vs-solar-pro-4) |
| [GPT-5.2 Codex](https://noometry.com/models/gpt-5-2-codex) | #119 | 43.3 | $4.81 | — | [Compare](https://noometry.com/compare/gpt-5-2-codex-vs-solar-pro-4) |
| [GLM-4.7](https://noometry.com/models/glm-4-7) | #120 | 43.1 | $1 | — | [Compare](https://noometry.com/compare/glm-4-7-vs-solar-pro-4) |
| [Step 3.5 Flash](https://noometry.com/models/step-3-5-flash) | #121 | 43.0 | $0.15 | — | [Compare](https://noometry.com/compare/solar-pro-4-vs-step-3-5-flash) |
| [Kimi K2.7 Code](https://noometry.com/models/kimi-k2-7-code) | #123 | 43.0 | $1.71 | — | [Compare](https://noometry.com/compare/kimi-k2-7-code-vs-solar-pro-4) |
| [Longcat Flash Chat](https://noometry.com/models/longcat-flash-chat) | #124 | 42.9 | — | 69 | [Compare](https://noometry.com/compare/longcat-flash-chat-vs-solar-pro-4) |
| [Qwen3.5 122B-A10B](https://noometry.com/models/qwen3-5-122b-a10b) | #125 | 42.8 | $1.10 | — | [Compare](https://noometry.com/compare/qwen3-5-122b-a10b-vs-solar-pro-4) |
| [DeepSeek-R1](https://noometry.com/models/deepseek-r1) | #126 | 42.8 | $0.91 | 10 | [Compare](https://noometry.com/compare/deepseek-r1-vs-solar-pro-4) |

Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise)

## Benchmark results

Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.

### Coding

Solar Pro 4 Coding benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena WebDev](https://noometry.com/benchmarks/arena-webdev) | 1370 | #87 of 119, top 74% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/webdev) | 2026-10-28 |
| [LMArena Coding](https://noometry.com/benchmarks/arena-coding) | 1437 | #102 of 291, top 36% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |

### Reasoning

Solar Pro 4 Reasoning benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Hard Prompts](https://noometry.com/benchmarks/arena-hard-prompts) | 1400 | #126 of 294, top 43% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |

### Math

Solar Pro 4 Math benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Math](https://noometry.com/benchmarks/arena-math) | 1415 | #108 of 283, top 39% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |

### Knowledge

Solar Pro 4 Knowledge benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Expert](https://noometry.com/benchmarks/arena-expert) | 1426 | #103 of 271, top 39% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |

### Multilingual

Solar Pro 4 Multilingual benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Non-English](https://noometry.com/benchmarks/arena-non-english) | 1363 | #136 of 294, top 47% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |
| [LMArena Chinese](https://noometry.com/benchmarks/arena-chinese) | 1425 | #126 of 281, top 45% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |
| [LMArena French](https://noometry.com/benchmarks/arena-french) | 1405 | #122 of 229, top 54% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |
| [LMArena German](https://noometry.com/benchmarks/arena-german) | 1356 | #131 of 236, top 56% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |
| [LMArena Japanese](https://noometry.com/benchmarks/arena-japanese) | 1323 | #122 of 218, top 56% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |
| [LMArena Korean](https://noometry.com/benchmarks/arena-korean) | 1390 | #73 of 217, top 34% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |
| [LMArena Russian](https://noometry.com/benchmarks/arena-russian) | 1354 | #145 of 280, top 52% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |
| [LMArena Spanish](https://noometry.com/benchmarks/arena-spanish) | 1414 | #105 of 229, top 46% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |

### Instruction Following

Solar Pro 4 Instruction Following benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Instruction Following](https://noometry.com/benchmarks/arena-instruction-following) | 1375 | #130 of 294, top 45% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |

### Long Context

Solar Pro 4 Long Context benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Longer Query](https://noometry.com/benchmarks/arena-longer-query) | 1383 | #132 of 287, top 46% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |

### Writing & Preference

Solar Pro 4 Writing & Preference benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [LMArena Text](https://noometry.com/benchmarks/arena-text) | 1389 | #131 of 294, top 45% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |
| [LMArena Creative Writing](https://noometry.com/benchmarks/arena-creative-writing) | 1318 | #157 of 292, top 54% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |
| [LMArena Multi-Turn](https://noometry.com/benchmarks/arena-multi-turn) | 1387 | #134 of 292, top 46% | Solar Pro 4 | [LMArena](https://lmarena.ai/leaderboard/text) | 2026-10-28 |

## Compare Solar Pro 4

-   [Solar Pro 4 vs Step 3.5 Flash](https://noometry.com/compare/solar-pro-4-vs-step-3-5-flash)
-   [Solar Pro 4 vs Kimi K2.7 Code](https://noometry.com/compare/kimi-k2-7-code-vs-solar-pro-4)
-   [Solar Pro 4 vs GLM-4.7](https://noometry.com/compare/glm-4-7-vs-solar-pro-4)
-   [Solar Pro 4 vs Longcat Flash Chat](https://noometry.com/compare/longcat-flash-chat-vs-solar-pro-4)
-   [Solar Pro 4 vs GPT-5.2 Codex](https://noometry.com/compare/gpt-5-2-codex-vs-solar-pro-4)
-   [Solar Pro 4 vs Qwen3.5 122B-A10B](https://noometry.com/compare/qwen3-5-122b-a10b-vs-solar-pro-4)
-   [Solar Pro 4 vs GPT-6 Astra](https://noometry.com/compare/gpt-6-astra-vs-solar-pro-4)
-   [Solar Pro 4 vs Claude Opus 5.5](https://noometry.com/compare/claude-opus-5-5-vs-solar-pro-4)
-   [Solar Pro 4 vs Gemini 4 Argon](https://noometry.com/compare/gemini-4-argon-vs-solar-pro-4)
-   [Solar Pro 4 vs Kimi K3](https://noometry.com/compare/kimi-k3-vs-solar-pro-4)
-   [Solar Pro 4 vs DeepSeek V4.1 Flash](https://noometry.com/compare/deepseek-v4-1-flash-vs-solar-pro-4)
-   [Solar Pro 4 vs Muse Wonder](https://noometry.com/compare/muse-wonder-vs-solar-pro-4)
-   [Solar Pro 4 vs Qwen3.8 Max](https://noometry.com/compare/qwen3-8-max-vs-solar-pro-4)
-   [Solar Pro 4 vs Grok 4.6](https://noometry.com/compare/grok-4-6-vs-solar-pro-4)

## Other Upstage models

-   [Solar 10.7b Instruct v1.0](https://noometry.com/models/solar-10-7b-instruct-v1-0)33.0
-   [solar-mini](https://noometry.com/models/solar-mini)
-   [Solar Mini 4](https://noometry.com/models/solar-mini-4)
-   [Solar Pro 3](https://noometry.com/models/solar-pro-3)
-   [solar-pro2](https://noometry.com/models/solar-pro2)
-   [Solar Pro4](https://noometry.com/models/solar-pro4)

## Frequently asked questions

### How good is Solar Pro 4?

Solar Pro 4 by Upstage ranks 122nd of 368 ranked models on the Noometry Index as of November 2026, with a score of 43.0. Its strongest category is reasoning, where it ranks 101st.

### Is Solar Pro 4 open source?

Upstage has not published downloadable weights for Solar Pro 4 that we can confirm.

### What are Solar Pro 4's strengths and weaknesses?

Relative to other ranked models, Solar Pro 4 places best in reasoning, math, knowledge and lowest in multilingual, instruction following, coding.

### What is Solar Pro 4 best at?

Its best category is reasoning, where it ranks 101st on Noometry.

### Cite this page

Noometry. (2026). Solar Pro 4 benchmarks and pricing. Retrieved November 4, 2026, from https://noometry.com/models/solar-pro-4

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/models/solar-pro-4.md).