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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.
💰qwen1.5-1.8b-chat is 100% cheaper than xAI: Grok 4
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
qwen1.5-1.8b-chat is Infinity% cheaper
| Spec | qwen1.5-1.8b-chat | xAI: Grok 4 |
|---|---|---|
| Provider | qwen | x-ai |
| Input price / 1M tokens | Free | $3.00 |
| Output price / 1M tokens | — | $15.00 |
| Context window | 32k tokens | 256k tokens |
| Latency (p50) | — | — |
| Best benchmark score | — | — |
| Open source | No | No |
Qwen1.5 is the improved version of Qwen, the large language model series developed by Alibaba Cloud.
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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