OpenAI GPT-4o vs Perplexity Sonar Pro
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
- GPT-4o is 1.4× cheaper at a typical mix of 3 input tokens per output token.
- Sonar Pro accepts longer prompts: 200K vs 128K tokens.
- Sonar Pro is the newer model (released 2025-03-07).
| GPT-4o | Sonar Pro | |
|---|---|---|
| Vendor | OpenAI | Perplexity |
| Released | 2024-05-13 | 2025-03-07 |
| Input / 1M | $2.50 | $3.00 |
| Output / 1M | $10.00 | $15.00 |
| Cached input / 1M | $1.25 | — |
| Blended / 1M (3:1) | $4.38 | $6.00 |
| Context | 128K | 200K |
| Max output | 16K | 8K |
| Accepts | text, image, file | text, image |
| Reasoning | No | No |
| Providers on OpenRouter | 2 | 1 |
| Cheapest provider, output | $10.00 | $15.00 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | Operational | Operational |
Cost calculator
GPT-4o
$300 per month$10.00 per day
Sonar Pro
$405 per month$13.50 per day
GPT-4o saves $105 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare GPT-4o with