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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.
💰xAI: Grok 4.1 Fast is 90% cheaper than SpaceXAI: Grok 4.7
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
xAI: Grok 4.1 Fast is 900% cheaper
| Spec | xAI: Grok 4.1 Fast | SpaceXAI: Grok 4.7 |
|---|---|---|
| Provider | x-ai | x-ai |
| Input price / 1M tokens | $0.20 | $2.00 |
| Output price / 1M tokens | $0.50 | $6.00 |
| Context window | 2000k tokens | 500k tokens |
| Latency (p50) | — | — |
| Best benchmark score | — | — |
| Open source | No | No |
Grok 4.1 Fast is xAI's best agentic tool calling model that shines in real-world use cases like customer support and deep research. 2M context window. Reasoning can be enabled/disabled using...
Grok 4.7 is SpaceXAI's flagship model for coding, agentic tasks, and knowledge work, succeeding Grok 4.6. It is particularly strong at long-running software engineering tasks, verifying its own work, and...
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