Detailed comparison of Perplexity and Gpt 5 AI models — pricing, context window, parameters, and more. Updated for 2026.
| Model | Context | Parameters | Input Price | Output Price | Tier |
|---|---|---|---|---|---|
| Perplexity: Sonar Pro Search | 200K | N/A | $3.00 | $15.00 | premium |
| Perplexity: Sonar Reasoning Pro | 128K | N/A | $2.00 | $8.00 | standard |
| Perplexity: Sonar Pro | 200K | N/A | $3.00 | $15.00 | premium |
| Perplexity: Sonar Deep Research | 128K | N/A | $2.00 | $8.00 | standard |
| Perplexity: Sonar | 127K | N/A | $1.00 | $1.00 | standard |
| Model | Context | Parameters | Input Price | Output Price | Tier |
|---|---|---|---|---|---|
| OpenAI: GPT-5.6 Luna Pro | 1050K | N/A | $1.00 | $6.00 | standard |
| OpenAI: GPT-5.6 Luna | 1050K | N/A | $1.00 | $6.00 | standard |
| OpenAI: GPT-5.6 Terra Pro | 1050K | N/A | $2.50 | $15.00 | premium |
| OpenAI: GPT-5.6 Terra | 1050K | N/A | $2.50 | $15.00 | premium |
| OpenAI: GPT-5.6 Sol Pro | 1050K | N/A | $5.00 | $30.00 | premium |
| OpenAI: GPT-5.6 Sol | 1050K | N/A | $5.00 | $30.00 | premium |
| OpenAI: GPT-5.5 Pro | 1050K | N/A | $30.00 | $180.00 | premium |
| OpenAI: GPT-5.5 | 1050K | N/A | $5.00 | $30.00 | premium |
| OpenAI: GPT-5.4 Nano | 400K | N/A | $0.20 | $1.25 | standard |
| OpenAI: GPT-5.4 Mini | 400K | N/A | $0.75 | $4.50 | standard |
Verdict computed from live catalog data (latest Perplexity and Gpt 5 models), so it stays current as providers update pricing and specs.
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