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GLM-5.3 vs GPT-5.5
GLM-5.3 and GPT-5.5: current price, context, max output, and supported operations.
Pricing comparison
| GLM-5.3 | GPT-5.5 | |
|---|---|---|
| Model maker | Zhipu AI | OpenAI |
| Delivery availability | Available | Available |
| Context window | 1M | 1.05M |
| Max output | 128K | 128K |
| Official price | Input$1.40per 1M tokensOutput$4.40per 1M tokens | Input$5.00per 1M tokensOutput$30.00per 1M tokens |
| Verified price | — | Input$3.50per 1M tokensOutput$21.00per 1M tokens |
| Model performance |
|
|
| Capabilities | CodeJSON modePrompt CacheReasoningTool use | CodeJSON modePrompt CacheReasoningTool useVision |
Summary
- GLM-5.3: —; GPT-5.5: Input $3.50 / Output $21.00 per 1M tokens. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
FAQ
Which is cheaper, GLM-5.3 or GPT-5.5?
GLM-5.3: —; GPT-5.5: Input $3.50 / Output $21.00 per 1M tokens. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
What are the key differences between GLM-5.3 and GPT-5.5?
GPT-5.5: Vision