GPT-5.1-Codex vs Sonar Pro Search
OpenAI vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1-Codex is cheaper ($1.25 vs $3.00 per 1M input)
- •GPT-5.1-Codex has a larger context window (400K)
| GPT-5.1-Codex | Sonar Pro Search | |
|---|---|---|
| Intelligence index | 88.2 | — |
| Developer | OpenAI | Perplexity |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 400,000 tokens | 200,000 tokens |
| Input price | $1.25 / 1M | $3.00 / 1M |
| Output price | $10.00 / 1M | $15.00 / 1M |
| Speed | 188 tok/s | — |
| Released | November 13, 2025 | October 30, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |