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Step 5 Preview vs GLM-5.3-FlashX
Step 5 Preview vs GLM-5.3-FlashX: Capability, Speed & Real Cost Comparison (2026)
Domestic Multimodal & Reasoning Clash: StepFun Step 5 vs Zhipu GLM-5.3
Bottom Line: Pick GLM-5.3-FlashX for maximum capability (94 vs 92); pick GLM-5.3-FlashX for lower token spend ($0.29879 in / $1.04577 out per 1M); Step 5 Preview leads in generation speed (~181 TPS).
| Dimension | Step 5 Preview | GLM-5.3-FlashX |
|---|---|---|
| Release Date | 2026-09-16 | 2026-09-18 |
| A · Overall Capability | 92/100 | 94/100 |
| 💻 Coding & Agents | 93/100 | 93/100 |
| ✍️ Writing & Copywriting | 86/100 | 94/100 |
| 📚 Long-Doc & Knowledge Base | 95/100 | 95/100 |
| 👁️ Vision & Multimodal | 91/100 | 91/100 |
| F · Generation Speed | 181 Token/s (92/100) | 86 Token/s (84/100) |
| R · Access & CN Grade | A | A |
| Input / Output ($/1M) | $1.04613 / $2.98895 | $0.29879 / $1.04577 |
| Cache Read Price ($/1M) | $0.10461 | $0.08516 |
| Context Window | 1M | 1M |
OVERLAID F.A.R.E. RADAR CHART
■ Step 5 Preview
■ GLM-5.3-FlashX
Ideal Use Cases for Step 5 Preview
Choose Step 5 Preview when: Top-tier empirical capability score (92 index) and its channel pricing ($1/M input) fits your budget.
Ideal Use Cases for GLM-5.3-FlashX
Choose GLM-5.3-FlashX when: Top-tier empirical capability score (94 index) or better cost efficiency for your workload.