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Side-by-side comparison of API pricing, context window, latency, and benchmark performance. Data refreshed daily from provider APIs and ModelStop's own latency probes.
💰Microsoft Phi-4 Mini is 100% cheaper than xAI: Grok 4
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
Microsoft Phi-4 Mini is Infinity% cheaper
| Spec | Microsoft Phi-4 Mini | xAI: Grok 4 |
|---|---|---|
| Provider | microsoft | x-ai |
| Input price / 1M tokens | Free | $3.00 |
| Output price / 1M tokens | — | $15.00 |
| Context window | 128k tokens | 256k tokens |
| Latency (p50) | — | — |
| Best benchmark score | — | — |
| Open source | Yes | No |
Microsoft Phi-4 Mini is a 3.8B parameter compact model from Microsoft. Delivers impressive reasoning capabilities for edge and mobile deployment scenarios, with strong performance on math and coding tasks relative to its size.
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not...
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