DeepSeek V4 Flash vs Gemini Flash Lite (latest): cost
For a typical support chatbot, DeepSeek V4 Flash is about 1.7× cheaper than Gemini Flash Lite (latest) ($17.68 vs $29.93 per month). Price is only one factor: test both on your own prompts before switching.
| DeepSeek V4 Flash | Gemini Flash Lite (latest) | |
|---|---|---|
| Input /1M | $0.30 | $0.30 |
| Output /1M | $1.20 | $2.50 |
| Cached input /1M | $0.006 | $0.03 |
| Batch input /1M | — | $0.15 |
| Batch output /1M | — | $1.25 |
| Context | 1,000,000 | 1,048,576 |
Monthly cost by workload
| Scenario (per month) | DeepSeek V4 Flash | Gemini Flash Lite (latest) |
|---|---|---|
| Customer support chatbot 1,000 req/day · 1,500 in · 300 out | $17.68 | $29.93 |
| RAG over documents 500 req/day · 6,000 in · 400 out | $26.26 | $34.71 |
| Agent loop (10 calls/task, 200 tasks) 2,000 req/day · 8,000 in · 500 out | $81.22 | $128 |
| Batch summarization 10,000 req/day · 3,000 in · 200 out · batch | $342 | $210 |