Upstage, proprietary

# Solar Pro 3

> Solar Pro 3 by Upstage, released January 2026. 2 published benchmark results. API: $0.25 in / $0.25 out per M tokens. 131K context. Scores, sources and comparisons.
- Canonical page: https://noometry.com/models/solar-pro-3
- Last updated: 2026-10-10
- Title: Solar Pro 3 Benchmarks, Price & Rank (October 2026)

Solar Pro 3 by Upstage has 2 published benchmark results on Noometry, not yet enough to be ranked. API pricing starts at $0.25 per million input tokens and $0.25 per million output tokens, with a 131K-token context window.

Last verified October 10, 2026

## Specifications

- **Noometry rank:** Unranked
- **Index score:** Not ranked
- **Evidence:** Sparse 2 results
- **Provider:** [![](/logos/upstage.svg) Upstage](https://noometry.com/providers/upstage)
- **Released:** January 1, 2026
- **Weights:** Proprietary
- **Reasoning:** Yes
- **Context window:** 131K
- **Max output:** 8K
- **Input price:** $0.25 / M
- **Output price:** $0.25 / M
- **Blended price:** $0.25 / M
- **Output speed:** Not measured
- **Value:** Not ranked
- **Knowledge cutoff:** March 2025
- **Input:** text

## Category scores

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

Solar Pro 3 category scores

1.  Coding 34.8
2.  Reasoning 22.4
3.  1520253035

Solar Pro 3 category ranks
| Category | Score | Rank | Results |
| --- | --- | --- | --- |
| [Coding](https://noometry.com/best/coding) | 34.8 | — | 1 |
| [Reasoning](https://noometry.com/best/reasoning) | 22.4 | — | 1 |

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 3 Coding benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [SciCode](https://noometry.com/benchmarks/scicode) | 24.7% | #115 of 121, top 96% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |

### Reasoning

Solar Pro 3 Reasoning benchmark results
| Benchmark | Score | Position | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- |
| [CritPt](https://noometry.com/benchmarks/critpt) | 0% | #134 of 134, top 100% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |

## API pricing by provider

Solar Pro 3 API prices
| Route | Input $/M | Output $/M | Cached input $/M | Checked |
| --- | --- | --- | --- | --- |
| [openrouter](https://openrouter.ai/upstage/solar-pro-3) | $0.15 | $0.60 | $0.015 | 2026-10-10 |
| [upstage](https://developers.upstage.ai/docs/apis/chat) | $0.25 | $0.25 | — | 2026-10-10 |

[All Upstage API prices →](https://noometry.com/llm-pricing/upstage) [Estimate your cost →](https://noometry.com/tools/cost-calculator)

## Compare Solar Pro 3

-   [Solar Pro 3 vs GPT-6 Astra](https://noometry.com/compare/gpt-6-astra-vs-solar-pro-3)
-   [Solar Pro 3 vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-solar-pro-3)
-   [Solar Pro 3 vs Claude Opus 5.5](https://noometry.com/compare/claude-opus-5-5-vs-solar-pro-3)
-   [Solar Pro 3 vs Claude Opus 5](https://noometry.com/compare/claude-opus-5-vs-solar-pro-3)
-   [Solar Pro 3 vs Claude Fable 5](https://noometry.com/compare/claude-fable-5-vs-solar-pro-3)
-   [Solar Pro 3 vs GPT-6.1 Sol](https://noometry.com/compare/gpt-6-1-sol-vs-solar-pro-3)
-   [Solar Pro 3 vs Gemini 3.8 Flash](https://noometry.com/compare/gemini-3-8-flash-vs-solar-pro-3)
-   [Solar Pro 3 vs Kimi K3](https://noometry.com/compare/kimi-k3-vs-solar-pro-3)
-   [Solar Pro 3 vs Grok 4.6](https://noometry.com/compare/grok-4-6-vs-solar-pro-3)
-   [Solar Pro 3 vs Qwen3.8 Max](https://noometry.com/compare/qwen3-8-max-vs-solar-pro-3)
-   [Solar Pro 3 vs GLM-5.3](https://noometry.com/compare/glm-5-3-vs-solar-pro-3)
-   [Solar Pro 3 vs Muse Spark 1.3](https://noometry.com/compare/muse-spark-1-3-vs-solar-pro-3)
-   [Solar Pro 3 vs DeepSeek V4 Pro](https://noometry.com/compare/deepseek-v4-pro-vs-solar-pro-3)
-   [Solar Pro 3 vs MiMo-V2.6-Pro](https://noometry.com/compare/mimo-v2-6-pro-vs-solar-pro-3)

## Other Upstage models

-   [Solar Pro4](https://noometry.com/models/solar-pro4)42.1
-   [solar-mini](https://noometry.com/models/solar-mini)
-   [Solar Mini 4](https://noometry.com/models/solar-mini-4)
-   [solar-pro2](https://noometry.com/models/solar-pro2)

## Frequently asked questions

### How good is Solar Pro 3?

Solar Pro 3 by Upstage has 2 published benchmark results on Noometry, not yet enough to be ranked. API pricing starts at $0.25 per million input tokens and $0.25 per million output tokens, with a 131K-token context window.

### How much does Solar Pro 3 cost?

Solar Pro 3 costs $0.25 per million input tokens and $0.25 per million output tokens on Upstage's own API.

### What is Solar Pro 3's context window?

Solar Pro 3 accepts up to 131K tokens of input and can write up to 8K tokens in one response.

### Is Solar Pro 3 open source?

No. Solar Pro 3 is proprietary and available only through Upstage's API and partner platforms.

### Cite this page

Noometry. (2026). Solar Pro 3 benchmarks and pricing. Retrieved October 10, 2026, from https://noometry.com/models/solar-pro-3

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/models/solar-pro-3.md).