GLM-5.3-Flash vs Step 5 Preview
Step 5 Preview scores 28.5 on the Artificial Analysis Intelligence Index, against 27.8 for GLM-5.3-Flash. GLM-5.3-Flash costs $0.237 per million tokens (3:1 blend), against $1.43 for Step 5 Preview. Step 5 Preview generates 140 t/s, against 67.9 t/s for GLM-5.3-Flash. Both accept a context of 1M tokens.
Comparison generated from the catalogue data. Add or remove models below to refine it.
2 models compared
- GLM-5.3-Flash
Z.AI
- Step 5 Preview
StepFun
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GLM-5.3-Flash Z.AI | Step 5 Preview StepFun | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 27.8 | Best: 28.5 | |
| Coding | 71.5 | — | |
| Agentic | 50.9 | — | |
| Cyber Index | Best: 49.9% | 47.7% | |
| Speed | 67.9 t/s | Best: 140 t/s | |
| TTFT | 1.47 s | Best: 0.91 s | |
| Input · $ / 1M tokens | Best: $0.15 | $1×6.7 relative to the lowest price among the compared models | |
| Output · $ / 1M tokens | Best: $0.50 | $2.70×5.4 relative to the lowest price among the compared models | |
| Context window | 1M | 1M | |
| Reasoning | Yes | Yes | |
| Open weights | Yes | Yes | |
| Cost / task | Best: $0.583 | $2.35×4 relative to the lowest price among the compared models |
Intelligence
- GLM-5.3-Flash
- 27.8
- Step 5 Preview
- Best: 28.5
Coding
- GLM-5.3-Flash
- 71.5
- Step 5 Preview
- —
Agentic
- GLM-5.3-Flash
- 50.9
- Step 5 Preview
- —
Cyber Index
- GLM-5.3-Flash
- Best: 49.9%
- Step 5 Preview
- 47.7%
Speed
- GLM-5.3-Flash
- 67.9 t/s
- Step 5 Preview
- Best: 140 t/s
TTFT
- GLM-5.3-Flash
- 1.47 s
- Step 5 Preview
- Best: 0.91 s
Input · $ / 1M tokens
- GLM-5.3-Flash
- Best: $0.15
- Step 5 Preview
- $1×6.7 relative to the lowest price among the compared models
Output · $ / 1M tokens
- GLM-5.3-Flash
- Best: $0.50
- Step 5 Preview
- $2.70×5.4 relative to the lowest price among the compared models
Context window
- GLM-5.3-Flash
- 1M
- Step 5 Preview
- 1M
Reasoning
- GLM-5.3-Flash
- Yes
- Step 5 Preview
- Yes
Open weights
- GLM-5.3-Flash
- Yes
- Step 5 Preview
- Yes
Cost / task
- GLM-5.3-Flash
- Best: $0.583
- Step 5 Preview
- $2.35×4 relative to the lowest price among the compared models
Each reasoning level remains a separate configuration.
Score and cost
Each line joins the reasoning levels of a compared model; the large point marks the configuration in the table. The top-right corner holds the best score for the lowest cost. Select another point to compare that level.
- GLM-5.3-Flash27.8 · $0.583
- Step 5 Preview28.5 · $2.35