Model Comparison
Solar Open 100B (Reasoning)
vs. Llama 3.1 Tulu3 405B
Comparing 2 AI models · 0 benchmarks · Upstage, Allen Institute for AI
Recommended Pick
UpSolar Open 100B (Reasoning)2 metric winsStrongest on: Reasoning, Intelligence
Best Reasoning
Solar Open 100B (Reasoning)
15.2 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Reasoning gap
Solar Open 100B (Reasoning) leads Llama 3.1 Tulu3 405B by 7.1 points on reasoning.
Top-pick rationale
Solar Open 100B (Reasoning) wins 2 measurable categories, including Reasoning, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Solar Open 100B (Reasoning)
Upstage
TTFT
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Llama 3.1 Tulu3 405B
Allen Institute for AI
TTFT
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Which answer was more useful?
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OpenAI-compatible inference
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Full Comparison
| Metric | Top Pick Up Solar Open 100B (Reasoning) | Al Llama 3.1 Tulu3 405B |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | — | — |
| Output Cost | — | — |
| Specifications | ||
| Organization | Upstage | Allen Institute for AI |
| Release Date | Dec 17, 2025 | Jan 30, 2025 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Reasoning Score | 15.2 | 8.1 |
| Intelligence | 15.2 | 8.1 |
Key Takeaways
Solar Open 100B (Reasoning) has the strongest reasoning profile with a 15.2 reasoning score,combining the available reasoning-heavy benchmarks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Solar Open 100B (Reasoning)
- Complex reasoning tasks
- Research & analysis
Llama 3.1 Tulu3 405B
- General-purpose AI
- Versatile applications
