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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.
💰Meituan: LongCat Flash Chat is 84% cheaper than OpenAI: GPT-5 Codex
⚡Meituan: LongCat Flash Chat is 36ms faster than OpenAI: GPT-5 Codex
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
Meituan: LongCat Flash Chat is 525% cheaper
| Spec | Meituan: LongCat Flash Chat | OpenAI: GPT-5 Codex |
|---|---|---|
| Provider | meituan | openai |
| Input price / 1M tokens | $0.20 | $1.25 |
| Output price / 1M tokens | $0.80 | $10.00 |
| Context window | 131k tokens | 400k tokens |
| Latency (p50) | — | 36ms |
| Best benchmark score | — | — |
| Open source | No | No |
LongCat-Flash-Chat is a large-scale Mixture-of-Experts (MoE) model with 560B total parameters, of which 18.6B–31.3B (≈27B on average) are dynamically activated per input. It introduces a shortcut-connected MoE design to reduce...
GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
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