LLM Comparison
Kimi K2.5 vs Sonar Reasoning Pro
Side-by-side specs, pricing & capabilities · Updated October 2026
Price vs Intelligence
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | 62 59.1 | 49 9.8 |
| Family | Kimi | Sonar |
| Status | Current | Current |
| Release Date | Jan 2026 | Mar 2025 |
| Context Window | 262K tokens | 128K tokens |
| Input Price | $0.38/M tokens | $2.00/M tokens |
| Output Price | $1.72/M tokens | $8.00/M tokens |
| Pricing Notes | Cache read: $0.1913/M tokens | — |
| Capabilities | textvisioncode | textvisioncodeextended-thinking |
| Max Output | 66K tokens | — |
| API Identifier | moonshotai/kimi-k2.5 | perplexity/sonar-reasoning-pro |
| Benchmarks | ||
| GPQA Diamond | 87.6https://huggingface.co/moonshotai/Kimi-K2.5 | 62.3perplexity |
| MMLU-Pro | 87.1https://huggingface.co/moonshotai/Kimi-K2.5 | — |
| Terminal-Bench 2.1 | 45.6929artificial-analysis | — |
| MATH-500 | — | 92.1perplexity |
| AIME | — | 77perplexity |
| MMLU Pro | — | 79perplexity |
| View Kimi K2.5 | View Sonar Reasoning Pro | |
Cost Calculator
Enter your expected monthly token usage to compare costs.
| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Kimi K2.5Cheapest | $0.38 | $0.86 | $1.24 | — |
| Sonar Reasoning Pro | $2.00 | $4.00 | $6.00 | +383% |
Moonshot AI
Kimi K2.5
Kimi K2.5 is a multimodal llm from Moonshot AI. Supports up to 262,144 token context window. Available from $0.38/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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