GLM-5.3-Flash vs GPT-5.6 Luna (Max)
GPT-5.6 Luna (Max) scores 37.3 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 $0.45 for GPT-5.6 Luna (Max). GPT-5.6 Luna (Max) generates 107 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
- GPT-5.6 Luna (Max)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GLM-5.3-Flash Z.AI | GPT-5.6 Luna (Max) OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 27.8 | Best: 37.3 | |
| Coding | Best: 71.5 | 71.4 | |
| Agentic | Best: 50.9 | 42.1 | |
| Cyber Index | 49.9% | — | |
| Speed | 67.9 t/s | Best: 107 t/s | |
| TTFT | Best: 1.47 s | 144 s | |
| Input · $ / 1M tokens | Best: $0.15 | $0.20×1.3 relative to the lowest price among the compared models | |
| Output · $ / 1M tokens | Best: $0.50 | $1.20×2.4 relative to the lowest price among the compared models | |
| Context window | 1M | 1M | |
| Reasoning | Yes | Yes | |
| Open weights | Yes | No | |
| Cost / task | $0.583×3.3 relative to the lowest price among the compared models | Best: $0.178 |
Intelligence
- GLM-5.3-Flash
- 27.8
- GPT-5.6 Luna (Max)
- Best: 37.3
Coding
- GLM-5.3-Flash
- Best: 71.5
- GPT-5.6 Luna (Max)
- 71.4
Agentic
- GLM-5.3-Flash
- Best: 50.9
- GPT-5.6 Luna (Max)
- 42.1
Cyber Index
- GLM-5.3-Flash
- 49.9%
- GPT-5.6 Luna (Max)
- —
Speed
- GLM-5.3-Flash
- 67.9 t/s
- GPT-5.6 Luna (Max)
- Best: 107 t/s
TTFT
- GLM-5.3-Flash
- Best: 1.47 s
- GPT-5.6 Luna (Max)
- 144 s
Input · $ / 1M tokens
- GLM-5.3-Flash
- Best: $0.15
- GPT-5.6 Luna (Max)
- $0.20×1.3 relative to the lowest price among the compared models
Output · $ / 1M tokens
- GLM-5.3-Flash
- Best: $0.50
- GPT-5.6 Luna (Max)
- $1.20×2.4 relative to the lowest price among the compared models
Context window
- GLM-5.3-Flash
- 1M
- GPT-5.6 Luna (Max)
- 1M
Reasoning
- GLM-5.3-Flash
- Yes
- GPT-5.6 Luna (Max)
- Yes
Open weights
- GLM-5.3-Flash
- Yes
- GPT-5.6 Luna (Max)
- No
Cost / task
- GLM-5.3-Flash
- $0.583×3.3 relative to the lowest price among the compared models
- GPT-5.6 Luna (Max)
- Best: $0.178
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
- GPT-5.6 Luna (Max)37.3 · $0.178