LLM Comparison
Mistral Small 4 vs Sonar Reasoning Pro
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
M Mistral Small 4 | S Sonar Reasoning Pro | |
|---|---|---|
| Organization | Mistral AI | Perplexity AI |
| OpenTools Score | ||
| Family | Mistral | Sonar |
| Status | Current | Current |
| Release Date | Mar 2026 | Mar 2025 |
| Context Window | 262K tokens | 128K tokens |
| Input Price | $0.15/M tokens | $2.00/M tokens |
| Output Price | $0.60/M tokens | $8.00/M tokens |
| Pricing Notes | Cache read: $0.0150/M tokens | — |
| Capabilities | textvisioncodetool-use | textvisioncodeextended-thinking |
| API Identifier | mistralai/mistral-small-2603 | perplexity/sonar-reasoning-pro |
| Benchmarks | ||
| MMLU | 76.5 | 83 |
| View Mistral Small 4 | View Sonar Reasoning Pro | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Mistral Small 4Cheapest | $0.15 | $0.30 | $0.45 | — |
| Sonar Reasoning Pro | $2.00 | $4.00 | $6.00 | +1233% |
Mistral AI
Mistral Small 4
Mistral Small 4 is a multimodal llm from Mistral AI. Supports up to 262,144 token context window. Achieves 76.5% on MMLU. Available from $0.15/M input tokens.
Perplexity AI
Sonar Reasoning Pro
Sonar Reasoning Pro is a multimodal llm from Perplexity AI. Supports up to 128,000 token context window. Achieves 83.0% on MMLU. Available from $2.00/M input tokens.
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