Upstage, proprietary

# solar-pro2

> solar-pro2 by Upstage, released May 2025. API: $0.25 in / $0.25 out per M tokens. 66K context. Scores, sources and comparisons.
- Canonical page: https://noometry.com/models/solar-pro2
- Last updated: 2026-10-10
- Title: solar-pro2 Benchmarks, Price & Rank (October 2026)

solar-pro2 is a Upstage model tracked on Noometry for pricing and specifications. API pricing starts at $0.25 per million input tokens and $0.25 per million output tokens, with a 66K-token context window.

Last verified October 10, 2026

## Specifications

- **Noometry rank:** Unranked
- **Index score:** Not ranked
- **Evidence:** 0 results
- **Provider:** [![](/logos/upstage.svg) Upstage](https://noometry.com/providers/upstage)
- **Released:** May 20, 2025
- **Weights:** Proprietary
- **Reasoning:** Yes
- **Context window:** 66K
- **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

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.

No public benchmark results are tracked for solar-pro2 yet.

## API pricing by provider

solar-pro2 API prices
| Route | Input $/M | Output $/M | Cached input $/M | Checked |
| --- | --- | --- | --- | --- |
| [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-pro2

-   [solar-pro2 vs GPT-6 Astra](https://noometry.com/compare/gpt-6-astra-vs-solar-pro2)
-   [solar-pro2 vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-solar-pro2)
-   [solar-pro2 vs Claude Opus 5.5](https://noometry.com/compare/claude-opus-5-5-vs-solar-pro2)
-   [solar-pro2 vs Claude Opus 5](https://noometry.com/compare/claude-opus-5-vs-solar-pro2)
-   [solar-pro2 vs Claude Fable 5](https://noometry.com/compare/claude-fable-5-vs-solar-pro2)
-   [solar-pro2 vs GPT-6.1 Sol](https://noometry.com/compare/gpt-6-1-sol-vs-solar-pro2)
-   [solar-pro2 vs Gemini 3.8 Flash](https://noometry.com/compare/gemini-3-8-flash-vs-solar-pro2)
-   [solar-pro2 vs Kimi K3](https://noometry.com/compare/kimi-k3-vs-solar-pro2)
-   [solar-pro2 vs Grok 4.6](https://noometry.com/compare/grok-4-6-vs-solar-pro2)
-   [solar-pro2 vs Qwen3.8 Max](https://noometry.com/compare/qwen3-8-max-vs-solar-pro2)
-   [solar-pro2 vs GLM-5.3](https://noometry.com/compare/glm-5-3-vs-solar-pro2)
-   [solar-pro2 vs Muse Spark 1.3](https://noometry.com/compare/muse-spark-1-3-vs-solar-pro2)
-   [solar-pro2 vs DeepSeek V4 Pro](https://noometry.com/compare/deepseek-v4-pro-vs-solar-pro2)
-   [solar-pro2 vs MiMo-V2.6-Pro](https://noometry.com/compare/mimo-v2-6-pro-vs-solar-pro2)

## 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 Pro 3](https://noometry.com/models/solar-pro-3)

## Frequently asked questions

### How good is solar-pro2?

solar-pro2 is a Upstage model tracked on Noometry for pricing and specifications. API pricing starts at $0.25 per million input tokens and $0.25 per million output tokens, with a 66K-token context window.

### How much does solar-pro2 cost?

solar-pro2 costs $0.25 per million input tokens and $0.25 per million output tokens on Upstage's own API.

### What is solar-pro2's context window?

solar-pro2 accepts up to 66K tokens of input and can write up to 8K tokens in one response.

### Is solar-pro2 open source?

No. solar-pro2 is proprietary and available only through Upstage's API and partner platforms.

### Cite this page

Noometry. (2026). solar-pro2 benchmarks and pricing. Retrieved October 10, 2026, from https://noometry.com/models/solar-pro2

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/models/solar-pro2.md).