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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.
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
| Spec | qwen1.5-1.8b-chat | Qwen3.5 397B A17b Fp8 |
|---|---|---|
| Provider | qwen | qwen |
| Input price / 1M tokens | Free | Free |
| Output price / 1M tokens | — | — |
| Context window | 32k tokens | 262k 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.
Qwen3.5 397B A17b Fp8 — Alibaba's Qwen series language model with strong multilingual and coding capabilities.
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