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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.
💰Z.ai: GLM Flash Latest is 94% cheaper than Upstage: Solar Pro 4
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
Z.ai: GLM Flash Latest is 1605% cheaper
| Spec | Upstage: Solar Pro 4 | Z.ai: GLM Flash Latest |
|---|---|---|
| Provider | upstage | ~z-ai |
| Input price / 1M tokens | $0.15 | $0.01 |
| Output price / 1M tokens | $0.60 | $0.18 |
| Context window | 524k tokens | 1049k tokens |
| Latency (p50) | — | — |
| Best benchmark score | — | — |
| Open source | No | No |
Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive...
This model always redirects to the latest model in the GLM Flash family.
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