Specifications
Context Window
—
Input Price/1M
—
Output Price/1M
—
Parameters
—
Benchmarks
Solar Open 100B (Reasoning) results on the main AI model evaluation benchmarks. Higher scores indicate better performance.
Agentic
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| Terminal-Bench Hard | 2.0 | 100.0 | — |
Coding
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| SciCode | 27.0 | 100.0 | — |
| AA Coding Index | 10.5 | 100.0 | Artificial Analysis official API |
Long Context
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| AA-LCR | 36.0 | 100.0 | — |
overall
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| AA Intelligence Index | 15.1 | 100.0 | Artificial Analysis official API |
Reasoning
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| GPQA Diamond | 66.0 | 100.0 | Artificial Analysis official API |
| IFBench | 58.0 | 100.0 | — |
| HLE | 9.0 | 100.0 | — |
Tool Use
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| Tau²-Bench | 48.0 | 100.0 | — |
Information
- Release date
- December 17, 2025
- Tool Calling
- ❌ Not supported
- Vision
- ❌ Not supported
- Audio
- ❌ Not supported
Full Analysis: Solar Open 100B (Reasoning)
What is Solar Open 100B (Reasoning)?
Solar Open 100B (Reasoning) is an AI model developed by Upstage, classified as a text model. It focuses on text processing and natural language generation. As a proprietary model, it is available via Upstage's cloud API.
Pricing & Costs in 2026
Solar Open 100B (Reasoning) does not have public per-token pricing available at this time. Some models offer access via enterprise plans or research programs. Check Upstage's official website for up-to-date availability and pricing.
Benchmarks & Performance
Solar Open 100B (Reasoning) was evaluated on 9 different benchmarks, covering categories like Agentic, Coding, Long Context, overall, Reasoning, Tool Use. Results show moderate performance across available evaluations.
It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.
Recommended Use Cases
Solar Open 100B (Reasoning) specializes in text, offering advanced capabilities for creating and processing text content.
Comparison with Alternatives
In the 2026 AI model ecosystem, Solar Open 100B (Reasoning) competes directly with similarly capable models. Upstage competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.
For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.
Frequently Asked Questions
What is Solar Open 100B (Reasoning)?
Solar Open 100B (Reasoning) is an AI model developed by Upstage. It is a text model.
How much does Solar Open 100B (Reasoning) cost?
Solar Open 100B (Reasoning) does not have public per-token pricing available at this time. Check Upstage's official website for up-to-date information.
How does Solar Open 100B (Reasoning) compare with other models?
In available benchmarks, Solar Open 100B (Reasoning) scored: Terminal-Bench Hard: 2/100, SciCode: 27/100, AA Coding Index: 10.5/100. See the full table above for a detailed comparison.
Is Solar Open 100B (Reasoning) open source?
No, Solar Open 100B (Reasoning) is a proprietary model from Upstage. It is available via cloud API. For open source alternatives, check our open source model ranking.
What is Solar Open 100B (Reasoning) best for?
Solar Open 100B (Reasoning) excels at general-purpose language tasks.
Last updated: June 22, 2026 • View methodology →