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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 4.20 is 100% cheaper than SpaceXAI: Grok 4.7
⚡SpaceXAI: Grok 4.7 is 16ms faster than xAI: Grok 4.20
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
| Spec | xAI: Grok 4.20 | SpaceXAI: Grok 4.7 |
|---|---|---|
| Provider | x-ai | x-ai |
| Input price / 1M tokens | Free | $2.00 |
| Output price / 1M tokens | — | $6.00 |
| Context window | 2000k tokens | 500k tokens |
| Latency (p50) | 16ms | — |
| Best benchmark score | — | — |
| Open source | No | No |
Grok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
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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