Comparison
DeepSeek V4 Flash vs Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview charges 93% more per input token than DeepSeek V4 Flash. On generated (output) tokens, Gemini 3.1 Pro Preview costs 98% more than DeepSeek V4 Flash.
| Field | DeepSeek V4 Flash | Gemini 3.1 Pro Preview |
|---|---|---|
| Provider | DeepSeek | |
| Context window | 1M | — |
| Max output | 384K | — |
| Input / 1M | $0.1493% cheaper | $2.00 |
| Output / 1M | $0.2898% cheaper | $12.00 |
| Cached input / 1M | $0.002899% cheaper | $0.20 |
| Batch discount | — | 50% |
| Release date | — | — |
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | DeepSeek V4 Flash | Gemini 3.1 Pro Preview |
|---|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $16.80cheaper | $400.00 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $31.08cheaper | $612.00 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $16.10cheaper | $290.00 |
DeepSeek V4 Flash vs Gemini 3.1 Pro Preview FAQ
- Is DeepSeek V4 Flash cheaper than Gemini 3.1 Pro Preview?
- DeepSeek V4 Flash costs $0.14 per 1M input tokens versus $2.00 for Gemini 3.1 Pro Preview — DeepSeek V4 Flash is 93% cheaper per input token.
- Which is cheaper for output tokens, DeepSeek V4 Flash or Gemini 3.1 Pro Preview?
- DeepSeek V4 Flash charges $0.28 per 1M output tokens; Gemini 3.1 Pro Preview charges $12.00 per 1M output tokens.
- Do DeepSeek V4 Flash and Gemini 3.1 Pro Preview offer cache pricing?
- DeepSeek V4 Flash discounts cached input to $0.0028 per 1M tokens. Gemini 3.1 Pro Preview discounts cached input to $0.20 per 1M tokens.
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