Model Comparison
Solar Pro 2 (Preview) (Non-reasoning)
vs. Sonar Pro
Sonar Pro 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 Pro 2 (Preview) (Non-reasoning)
Upstage
TTFT
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Time
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tok/s
—
Tokens
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Cost
—
Waiting
Sonar Pro
Perplexity
TTFT
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Time
—
tok/s
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Tokens
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Cost
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Waiting
Which answer was more useful?
EU-hosted open models, one API
Servers in Germany & Finland. Operated by a German company under the GDPR, DPA available, ISO 27001-certified data centres.
Full Comparison
| Metric | Up Solar Pro 2 (Preview) (Non-reasoning) | Pe Sonar Pro |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | — | — |
| Output Cost | — | — |
| Specifications | ||
| Organization | Upstage | Perplexity |
| Release Date | May 20, 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 Pro 2 (Preview) (Non-reasoning)
- General-purpose AI
- Versatile applications
Pe
Sonar Pro
- General-purpose AI
- Versatile applications
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