Sonar Reasoning Pro vs GPT-5.2 (xhigh)
Comparing 2 AI models · 6 benchmarks · Perplexity, OpenAI
Most Affordable
Pe
Sonar Reasoning Pro
$0.00/1M
Highest Intelligence
Op
GPT-5.2 (xhigh)
90.3% GPQA
Best for Coding
Op
GPT-5.2 (xhigh)
46.7 Coding Index
Price Difference
Infinityx
input cost range
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Benchmark Winners
6 tests
Pe
Sonar Reasoning Pro
1
- MATH 500
Op
GPT-5.2 (xhigh)
5
- GPQA
- MMLU Pro
- HLE
- LiveCodeBench
- AIME 2025
| Metric | Pe Sonar Reasoning Pro | Op GPT-5.2 (xhigh) |
|---|---|---|
| Pricing Per 1M tokens | ||
| Input Cost | $0.00/1M | $1.75/1M |
| Output Cost | $0.00/1M | $14.00/1M |
| Blended Cost 3:1 input/output ratio | — | $4.81/1M |
| Specifications | ||
| Organization Model creator | Perplexity | OpenAI |
| Release Date Launch date | Jan 28, 2025 | Dec 11, 2025 |
| Performance & Speed | ||
| Throughput Output speed | — | 112.9 tok/s |
| Time to First Token (TTFT) Initial response delay | — | 42184ms |
| Latency Time to first answer token | — | |