Model Comparison
Solar Open 100B (Reasoning)
vs. Sonar Pro
Comparing 2 AI models · 11 benchmarks · Upstage, Perplexity
Recommended Pick
UpSolar Open 100B (Reasoning)4 metric winsStrongest on: Intelligence, GPQA, HLE
Lowest Price
Solar Open 100B (Reasoning)
$0.00/1M input price
Best Reasoning
Sonar Pro
35.7 reasoning score
Blends available reasoning benchmarks
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Reasoning gap
Sonar Pro leads Solar Open 100B (Reasoning) by 5.7 points on reasoning.
Top-pick rationale
Solar Open 100B (Reasoning) wins 4 measurable categories, including Intelligence, GPQA, HLE, SciCode.
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
—
Time
—
tok/s
—
Tokens
—
Cost
—
Sonar Pro
Perplexity
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Top Pick Up Solar Open 100B (Reasoning) | Pe Sonar Pro |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.00/1M |
| Output Cost | $0.00/1M | $0.00/1M |
| Specifications | ||
| Organization | Upstage | Perplexity |
| Release Date | Dec 17, 2025 | Jan 21, 2025 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Reasoning Score | 30.0 | 35.7 |
| Intelligence | 15.1 | 9.3 |
| Standard Benchmarks | ||
| GPQA | 65.7% | 57.8% |
| MMLU Pro | — | 75.5% |
| HLE | 9.2% | 7.9% |
| LiveCodeBench | — | 27.5% |
| MATH 500 | — | 74.5% |
| AIME (Original) | — | 29.0% |
| SciCode | 26.9% | 22.6% |
| LCR | 36.0% | — |
| IFBench | 57.7% | — |
| TAU-bench v2 | 48.2% | — |
| TerminalBench Hard | 2.3% | — |
Key Takeaways
Solar Open 100B (Reasoning) offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Sonar Pro has the strongest reasoning profile with a 35.7 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)
- Cost-sensitive applications
- High-volume processing
Sonar Pro
- Complex reasoning tasks
- Research & analysis
