Comparison
Gemini 3.1 Pro Preview vs GPT-5.4 mini
Per input token, GPT-5.4 mini runs 63% cheaper than Gemini 3.1 Pro Preview. GPT-5.4 mini is 63% cheaper on output tokens.
| Field | Gemini 3.1 Pro Preview | GPT-5.4 mini |
|---|---|---|
| Provider | OpenAI | |
| Context window | — | 400K |
| Max output | — | 128K |
| Input / 1M | $2.00 | $0.7563% cheaper |
| Output / 1M | $12.00 | $4.5063% cheaper |
| Cached input / 1M | $0.20 | $0.07563% cheaper |
| Batch discount | 50% | 50% |
| Release date | — | 2026-03-17 |
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | Gemini 3.1 Pro Preview | GPT-5.4 mini |
|---|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $400.00 | $150.00cheaper |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $612.00 | $229.50cheaper |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $290.00 | $108.75cheaper |
Gemini 3.1 Pro Preview vs GPT-5.4 mini FAQ
- Is Gemini 3.1 Pro Preview cheaper than GPT-5.4 mini?
- Gemini 3.1 Pro Preview costs $2.00 per 1M input tokens versus $0.75 for GPT-5.4 mini — GPT-5.4 mini is 167% cheaper per input token.
- Which is cheaper for output tokens, Gemini 3.1 Pro Preview or GPT-5.4 mini?
- Gemini 3.1 Pro Preview charges $12.00 per 1M output tokens; GPT-5.4 mini charges $4.50 per 1M output tokens.
- Do Gemini 3.1 Pro Preview and GPT-5.4 mini offer cache pricing?
- Gemini 3.1 Pro Preview discounts cached input to $0.20 per 1M tokens. GPT-5.4 mini discounts cached input to $0.075 per 1M tokens.
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