Gemini 3.1 Pro Preview Custom Tools vs DeepSeek Flash Latest: pricing comparison
DeepSeek Flash Latest is the cheaper option at $0.00/$2.40 per 1M input/output tokens — Gemini 3.1 Pro Preview Custom Tools ($2/$12) costs about 667x more per input token. Full spec-by-spec breakdown below.
| Gemini 3.1 Pro Preview Custom Tools | DeepSeek Flash Latest | |
|---|---|---|
| Input /1M tokens | $2 | $0.00 |
| Output /1M tokens | $12 | $2.40 |
| Cache read /1M | $0.20 | $0.00 |
| Context window | 1.0M | 1.0M |
| Provider | ~deepseek | |
| Vision input | Yes | Yes |
| Released | Feb 2026 | Sep 2026 |
Real workload costs: Gemini 3.1 Pro Preview Custom Tools vs DeepSeek Flash Latest
Cost per single request at common token profiles — the cheapest model for each workload is highlighted.
| Workload | Tokens (in / out) | Gemini 3.1 Pro Preview Custom Tools | DeepSeek Flash Latest |
|---|---|---|---|
| Chatbot message | 500 / 300 | $0.0046 | $0.0007 |
| RAG query with context | 4,000 / 500 | $0.01 | $0.0012 |
| Document summarization | 20,000 / 1,000 | $0.05 | $0.0025 |
| Agent coding session | 100,000 / 5,000 | $0.26 | $0.01 |
Frequently asked questions
Which is cheaper: Gemini 3.1 Pro Preview Custom Tools vs DeepSeek Flash Latest?
DeepSeek Flash Latest is the cheapest on input tokens at $0.00 per 1M, and DeepSeek Flash Latest is cheapest on output at $2.40 per 1M. Gemini 3.1 Pro Preview Custom Tools costs about 667x more per input token than DeepSeek Flash Latest.
How much does Gemini 3.1 Pro Preview Custom Tools cost per 1M tokens?
Gemini 3.1 Pro Preview Custom Tools costs $2 per 1M input tokens and $12 per 1M output tokens on the Google API, with a 1.0M-token context window.
How much does DeepSeek Flash Latest cost per 1M tokens?
DeepSeek Flash Latest costs $0.00 per 1M input tokens and $2.40 per 1M output tokens on the ~deepseek API, with a 1.0M-token context window.
What does a typical request cost on Gemini 3.1 Pro Preview Custom Tools vs DeepSeek Flash Latest?
For a typical request with 2,000 input and 500 output tokens: Gemini 3.1 Pro Preview Custom Tools costs $0.01, DeepSeek Flash Latest costs $0.0012. At 1,000 requests/day for a month that is $300 for Gemini 3.1 Pro Preview Custom Tools vs $36.18 for DeepSeek Flash Latest.
Estimate your own workload with the per-model calculators (Gemini 3.1 Pro Preview Custom Tools, DeepSeek Flash Latest), browse all current prices on the live model pricing dashboard, or run these models head-to-head on a real prompt (free account required). Prices may differ from provider list prices for batch or tiered usage.
Pricing data via the OpenRouter models API.