LLM Comparison
GPT-5.4 Mini vs Sonar Pro
Side-by-side specs, pricing & capabilities · Updated September 2026
Price vs Intelligence
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | 46 17.6 | 19 2.1 |
| Family | GPT | Sonar |
| Status | Current | Current |
| Release Date | Mar 2026 | Mar 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 |
| Training Cutoff | Aug 31, 2025 | — |
| Max Output | 128K tokens | 8K tokens |
| API Identifier | openai/gpt-5.4-mini | perplexity/sonar-pro |
| Benchmarks | ||
| GPQA Diamond | 88openai | 57.8perplexity |
| SWE-bench Pro | 54.4openai | — |
| OSWorld-Verified | 72.1openai | — |
| Terminal-Bench 2.0 | 60openai | — |
| MMMU-Pro | 76.6openai | — |
| Artificial Analysis Intelligence Index v4.3 | 24.5789artificial-analysis | — |
| SciCode | 52.0833artificial-analysis | — |
| Terminal-Bench 2.1 | 59.176artificial-analysis | — |
| MMLU Pro | — | 75.5perplexity |
| MATH-500 | — | 74.5perplexity |
| AIME | — | 29perplexity |
| View GPT-5.4 Mini | View Sonar Pro | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| GPT-5.4 MiniCheapest | $0.75 | $2.25 | $3.00 | — |
| Sonar Pro | $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
Sonar Pro 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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