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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 is 70% cheaper than OpenAI: GPT-4 Turbo (older v1106)
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
xAI: Grok 4 is 233% cheaper
| Spec | OpenAI: GPT-4 Turbo (older v1106) | xAI: Grok 4 |
|---|---|---|
| Provider | openai | x-ai |
| Input price / 1M tokens | $10.00 | $3.00 |
| Output price / 1M tokens | $30.00 | $15.00 |
| Context window | 128k tokens | 256k tokens |
| Latency (p50) | — | — |
| Best benchmark score | — | — |
| Open source | No | No |
The latest GPT-4 Turbo model with vision capabilities. Vision requests can now use JSON mode and function calling. Training data: up to April 2023.
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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