Solar 10.7BvsGPT-o1
Upstage vs OpenAI — Side-by-side model comparison
Head-to-Head Comparison
| Metric | Solar 10.7B | GPT-o1 |
|---|---|---|
| Provider | ||
| Arena Rank | — | #3 |
| Context Window | 4K | 200K |
| Input Pricing | Free (open)/1M tokens | $15.00/1M tokens |
| Output Pricing | Free (open)/1M tokens | $60.00/1M tokens |
| Parameters | 10.7B | Undisclosed |
| Open Source | Yes | No |
| Best For | Korean-English bilingual, fine-tuning, enterprise | Complex reasoning, math, science, coding |
| Release Date | Dec 13, 2023 | Dec 17, 2024 |
Solar 10.7B
Solar 10.7B is Upstage's open-source model using a novel depth upscaling technique to create a 10.7 billion parameter model from smaller pretrained weights. It delivers strong bilingual Korean-English performance and was the top-ranked 10B-class model on the Hugging Face Open LLM Leaderboard at release. Solar has been widely adopted in South Korean enterprise AI applications.
View Upstage profile →GPT-o1
GPT-o1 is OpenAI's first dedicated reasoning model, introducing the concept of 'thinking tokens' where the model reasons through problems step-by-step before generating a response. This approach significantly improves performance on complex mathematics, coding challenges, and scientific reasoning compared to standard language models. With a 200K token context window, o1 can process lengthy technical documents while applying deep reasoning. It excels on competition-level math problems, PhD-level science questions, and complex coding tasks that require careful logical thinking. While slower and more expensive than GPT-4o due to the reasoning overhead, o1 delivers substantially better results on tasks that benefit from deliberate, structured problem-solving rather than quick pattern matching.
View OpenAI profile →Key Differences: Solar 10.7B vs GPT-o1
GPT-o1 supports a larger context window (200K), allowing it to process longer documents in a single request.
Solar 10.7B is open-source (free to self-host and fine-tune) while GPT-o1 is proprietary (API-only access).
When to use Solar 10.7B
- +You need to self-host or fine-tune the model
- +Your use case involves korean-english bilingual, fine-tuning, enterprise
When to use GPT-o1
- +You need to process long documents (200K context)
- +You prefer a managed API without infrastructure overhead
- +Your use case involves complex reasoning, math, science, coding
The Verdict
GPT-o1 wins our head-to-head comparison with 4 out of 5 category wins. It's the stronger choice for complex reasoning, math, science, coding, though Solar 10.7B holds an edge in korean-english bilingual, fine-tuning, enterprise.
Last compared: March 2026 · Data sourced from public benchmarks and official pricing pages