LLM Comparison
GPT-5.4 Mini vs Sonar Pro Search
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
 GPT-5.4 Mini | S Sonar Pro Search | |
|---|---|---|
| Organization |  OpenAI | Perplexity AI |
| OpenTools Score | ||
| Family | GPT | Sonar |
| Status | Current | Current |
| Release Date | Mar 2026 | Oct 2025 |
| Context Window | 400K tokens | 200K tokens |
| Input Price | $0.75/M tokens | $3.00/M tokens |
| Output Price | $4.50/M tokens | $15.00/M tokens |
| Pricing Notes | Cache read: $0.0750/M tokens | — |
| Capabilities | textvisioncode | textvisioncode |
| Max Output | 128K tokens | 8K tokens |
| API Identifier | openai/gpt-5.4-mini | perplexity/sonar-pro-search |
| Benchmarks | ||
| MMLU | — | 83 |
| View GPT-5.4 Mini | View Sonar Pro Search | |
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| GPT-5.4 MiniCheapest | $0.75 | $2.25 | $3.00 | — |
| Sonar Pro Search | $3.00 | $7.50 | $10.50 | +250% |
OpenAI
GPT-5.4 Mini
GPT-5.4 Mini is a multimodal llm from OpenAI. Supports up to 400,000 token context window. Available from $0.75/M input tokens.
Perplexity AI
Sonar Pro Search
Sonar Pro Search is a multimodal llm from Perplexity AI. Supports up to 200,000 token context window. Achieves 83.0% on MMLU. Available from $3.00/M input tokens.
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