DeepSeek V4.1 Flash → Gemini 3.1 Flash-Lite: cost per request on six tasks
Gemini 3.1 Flash-Lite costs between 15% less and 16% more than DeepSeek V4.1 Flash per request on six common tasks. It costs no more per result that works if its results work first time at least 86% as often as DeepSeek V4.1 Flash's on search re-ranking, and 16% more often on translation.
List prices per million tokens
| Model | Input | Cached input | Output |
|---|---|---|---|
| DeepSeek V4.1 Flash | $0.30 | $0.006 | $1.20 |
| Gemini 3.1 Flash-Lite | $0.25 | $0.025 | $1.50 |
Prices checked 2026-11-12.
Cost per 1,000 requests
| Task | DeepSeek V4.1 Flash | Gemini 3.1 Flash-Lite | Change | Cheaper per result that works if it works first time at least |
|---|---|---|---|---|
| Support bot answerInstructions, three help-centre passages and the customer's question in; a short answer out. | $1.26 | $1.20 | 5% less | 96% as often as DeepSeek V4.1 Flash |
| Invoice field extractionInstructions and one invoice's text in; about 15 fields as JSON out. | $1.05 | $1.00 | 5% less | 96% as often as DeepSeek V4.1 Flash |
| Lead scoringScoring rules and one lead's form answers in; a score and a one-line reason out. | $0.48 | $0.45 | 6% less | 94% as often as DeepSeek V4.1 Flash |
| Email reply draftInstructions and the email thread so far in; a reply of about 300 words out. | $0.93 | $0.97 | 5% more | 5% more often than DeepSeek V4.1 Flash |
| TranslationInstructions and about 500 words of text in; the same text in another language out. | $1.23 | $1.43 | 16% more | 16% more often than DeepSeek V4.1 Flash |
| Search re-rankingA search query and 20 result snippets in; the ids of the best five, in order, out. | $1.26 | $1.08 | 15% less | 86% as often as DeepSeek V4.1 Flash |
Token counts are typical sizes, not measurements.
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