Model Comparison
Sonar Reasoning Pro
vs. Step3 VL 10B
Comparing 2 AI models · 9 benchmarks · Perplexity, StepFun
Recommended Pick
PeSonar Reasoning Pro2 metric winsStrongest on: Reasoning, Intelligence
Lowest Price
Sonar Reasoning Pro
$0.00/1M input price
Best Reasoning
Sonar Reasoning Pro
64.2 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 Reasoning Pro leads Step3 VL 10B by 34.6 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.
Sonar Reasoning Pro
Perplexity
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Step3 VL 10B
StepFun
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Top Pick Pe Sonar Reasoning Pro | St Step3 VL 10B |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.00/1M |
| Output Cost | $0.00/1M | $0.00/1M |
| Specifications | ||
| Organization | Perplexity | StepFun |
| Release Date | Jan 28, 2025 | Jan 20, 2026 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Reasoning Score | 64.2 | 29.6 |
| Intelligence | 17.8 | 9.5 |
| Standard Benchmarks | ||
| GPQA | — | 69.0% |
| HLE | — | 10.2% |
| MATH 500 | 95.7% | — |
| AIME (Original) | 79.0% | — |
| SciCode | — | 31.1% |
| LCR | — | 0.0% |
| IFBench | — | 50.2% |
| TAU-bench v2 | — | 16.1% |
| TerminalBench Hard | — | 5.3% |
Key Takeaways
Sonar Reasoning Pro 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.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Sonar Reasoning Pro
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
Step3 VL 10B
- General-purpose AI
- Versatile applications
