o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following. Use it to think through multi-step problems…
Model details →OpenAI: o3 vs Perplexity: Sonar Pro Search
OpenAI: o3 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Exclusively available on the OpenRouter API, Sonar Pro's new Pro Search mode is Perplexity's most advanced agentic search system. It is designed for deeper reasoning and analysis. Pricing is based on tokens plus $18 per thousand requests. T…
Model details →Side-by-side comparison
| Capability | OpenAI: o3 | Perplexity: Sonar Pro Search | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 200K | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $3.00 | 🏆 OpenAI: o3 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $15.00 | 🏆 OpenAI: o3 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 OpenAI: o3 |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: o3 better than Perplexity: Sonar Pro Search?
OpenAI: o3 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between OpenAI: o3 and Perplexity: Sonar Pro Search?
Input: $2.00 vs $3.00 per 1M tokens. Output: $8.00 vs $15.00 per 1M tokens.
What context windows do OpenAI: o3 and Perplexity: Sonar Pro Search support?
OpenAI: o3 supports up to 200K tokens. Perplexity: Sonar Pro Search supports up to 200K tokens.
Do both OpenAI: o3 and Perplexity: Sonar Pro Search support tool calling?
OpenAI: o3: yes. Perplexity: Sonar Pro Search: not advertised.