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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.
💰Anthropic: Claude Sonnet 4 is 100% cheaper than Z.ai: GLM Latest
⚡Z.ai: GLM Latest is 17ms faster than Anthropic: Claude Sonnet 4
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
| Spec | Anthropic: Claude Sonnet 4 | Z.ai: GLM Latest |
|---|---|---|
| Provider | anthropic | ~z-ai |
| Input price / 1M tokens | Free | $0.07 |
| Output price / 1M tokens | — | $1.40 |
| Context window | 1000k tokens | 1049k tokens |
| Latency (p50) | 17ms | — |
| Best benchmark score | — | — |
| Open source | No | No |
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
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