OpenAI GPT-5.4 vs Perplexity Sonar Pro Search
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Both cost about the same at a typical 3:1 input/output mix.
- GPT-5.4 accepts longer prompts: 1M vs 200K tokens.
- GPT-5.4 is the newer model (released 2026-03-05).
| GPT-5.4 | Sonar Pro Search | |
|---|---|---|
| Vendor | OpenAI | Perplexity |
| Released | 2026-03-05 | 2025-10-30 |
| Input / 1M | $2.50 | $3.00 |
| Output / 1M | $15.00 | $15.00 |
| Cached input / 1M | $0.25 | — |
| Blended / 1M (3:1) | $5.63 | $6.00 |
| Context | 1M | 200K |
| Max output | 128K | 8K |
| Accepts | text, image, file | text, image |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 7 | 1 |
| Cheapest provider, output | $15.00 | $15.00 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | Operational | Operational |
Cost calculator
GPT-5.4
$375 per month$12.50 per day
Sonar Pro Search
$405 per month$13.50 per day
GPT-5.4 saves $30.00 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare GPT-5.4 with