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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.
💰OpenAI: o4 Mini is 100% cheaper than Z.ai: GLM Latest
⚡Z.ai: GLM Latest is 16ms faster than OpenAI: o4 Mini
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
| Spec | OpenAI: o4 Mini | Z.ai: GLM Latest |
|---|---|---|
| Provider | openai | ~z-ai |
| Input price / 1M tokens | Free | $0.07 |
| Output price / 1M tokens | — | $1.40 |
| Context window | 200k tokens | 1049k tokens |
| Latency (p50) | 16ms | — |
| Best benchmark score | — | — |
| Open source | No | No |
OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities. It supports tool use and demonstrates competitive reasoning...
This model always redirects to the latest GLM model from Z.ai.
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