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Gemini 3.8 Flash vs GPT-5.5
Gemini 3.8 Flash and GPT-5.5: current price, context, max output, and supported operations.
Pricing comparison
| Gemini 3.8 Flash | GPT-5.5 | |
|---|---|---|
| Model maker | OpenAI | |
| Delivery availability | Available | Available |
| Context window | 1M | 1.05M |
| Max output | 64K | 128K |
| Official price | Input$0.75per 1M tokensOutput$3.75per 1M tokens | Input$5.00per 1M tokensOutput$30.00per 1M tokens |
| Verified price | Input$0.375per 1M tokensOutput$1.88per 1M tokens | Input$3.50per 1M tokensOutput$21.00per 1M tokens |
| Model performance |
|
|
| Capabilities | JSON modePrompt CacheTool useVision | CodeJSON modePrompt CacheReasoningTool useVision |
Summary
- Gemini 3.8 Flash: Input $0.375 / Output $1.88 per 1M tokens; 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.
- GPT-5.5 supports 2.0x more output tokens
FAQ
Which is cheaper, Gemini 3.8 Flash or GPT-5.5?
Gemini 3.8 Flash: Input $0.375 / Output $1.88 per 1M tokens; 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 Gemini 3.8 Flash and GPT-5.5?
GPT-5.5: Code, Reasoning