Model Comparison
Solar Open 100B (Reasoning)
vs. Sonar
Sonar has not been available at LLMBase since 26 October 2026. See all open-weight models →
Comparing 2 AI models · 0 benchmarks · Upstage, Perplexity
Live compare
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
10 comparisons left in 24h
Solar Open 100B (Reasoning)
Upstage
TTFT
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Time
—
tok/s
—
Tokens
—
Cost
—
Waiting
Sonar
Perplexity
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Waiting
Which answer was more useful?
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Full Comparison
| Metric | Up Solar Open 100B (Reasoning) | Pe Sonar |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | — | — |
| Output Cost | — | — |
| Specifications | ||
| Organization | Upstage | Perplexity |
| Release Date | Dec 17, 2025 | Jan 21, 2025 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
Key Takeaways
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Up
Solar Open 100B (Reasoning)
- General-purpose AI
- Versatile applications
Pe
Sonar
- General-purpose AI
- Versatile applications
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