Model Comparison
Solar Pro 3
vs. Sonar Reasoning Pro
Comparing 2 AI models · 9 benchmarks · Upstage, Perplexity
Recommended Pick
PeSonar Reasoning Pro2 metric winsStrongest on: Reasoning, Intelligence
Lowest Price
Solar Pro 3
$0.00/1M input price
Best Reasoning
Sonar Reasoning Pro
64.2 reasoning score
Blends available reasoning benchmarks
Best for Coding
Solar Pro 3
16.2 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Reasoning gap
Sonar Reasoning Pro leads Solar Pro 3 by 32.0 points on reasoning.
Top-pick rationale
Sonar Reasoning Pro 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 Pro 3
Upstage
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Sonar Reasoning Pro
Perplexity
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Up Solar Pro 3 | Top Pick Pe Sonar Reasoning 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 | Apr 6, 2026 | Jan 28, 2025 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Reasoning Score | 32.2 | 64.2 |
| Intelligence | 14.1 | 17.8 |
| Coding | 16.2 | — |
| Standard Benchmarks | ||
| GPQA | 72.4% | — |
| HLE | 10.1% | — |
| MATH 500 | — | 95.7% |
| AIME (Original) | — | 79.0% |
| SciCode | 24.7% | — |
| LCR | 27.0% | — |
| IFBench | 71.2% | — |
| TAU-bench v2 | 86.3% | — |
| TerminalBench Hard | 7.6% | — |
Key Takeaways
Solar Pro 3 offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Sonar Reasoning Pro has the strongest reasoning profile with a 64.2 reasoning score,combining the available reasoning-heavy benchmarks.
Solar Pro 3 reaches a 16.2 coding index,making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Solar Pro 3
- Cost-sensitive applications
- High-volume processing
- Code generation
- Software development
Sonar Reasoning Pro
- Complex reasoning tasks
- Research & analysis
