Model comparison
GPT-5.2 Pro vs Sonar Pro
GPT-5.2 Pro has enough public results to be ranked (#34); Sonar Pro does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
PerplexitySummary
- Sonar Pro is cheaper at $3 / $15 per million input/output tokens, against $21 / $168 for GPT-5.2 Pro.
- GPT-5.2 Pro accepts more context: 400K tokens versus 200K.
Side by side
| GPT-5.2 Pro | Sonar Pro | |
|---|---|---|
| Provider | OpenAI | Perplexity |
| Noometry Index | 52.2 | — |
| Released | 2025-12-11 | 2024-01-01 |
| Weights | Proprietary | Proprietary |
| Context window | 400K | 200K |
| Max output | 128K | 8K |
| Input $ / M tokens | $21 | $3 |
| Output $ / M tokens | $168 | $15 |
| Results tracked | 8 | 1 |
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Category by category
Agentic & Tool Use Not comparable
GPT-5.2 Pro: —, Sonar Pro: —
| Benchmark | GPT-5.2 Pro | Sonar Pro |
|---|---|---|
| LMArena Search | — | 1130 |
Reasoning Not comparable
GPT-5.2 Pro: 51.8 (#31), Sonar Pro: —
| Benchmark | GPT-5.2 Pro | Sonar Pro |
|---|---|---|
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| Epoch Capabilities Index | 155.41 | — |
Math Not comparable
GPT-5.2 Pro: 64.8 (#23), Sonar Pro: —
| Benchmark | GPT-5.2 Pro | Sonar Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| FrontierMath Tier 4 (v1) | 31.3% | — |
Frequently asked questions
Is GPT-5.2 Pro better than Sonar Pro?
GPT-5.2 Pro has enough public results to be ranked (#34); Sonar Pro does not yet, so treat this comparison as directional.
Which is cheaper, GPT-5.2 Pro or Sonar Pro?
Sonar Pro is cheaper. It lists at $3 per million input tokens and $15 per million output tokens; GPT-5.2 Pro lists at $21 and $168.
Which has the bigger context window?
GPT-5.2 Pro does, with 400K tokens against 200K.
How many benchmarks do GPT-5.2 Pro and Sonar Pro share?
0 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Sonar Pro has 1.