DeepSeek V4 Pro 0423 vs DeepSeek Flash Latest: pricing comparison
DeepSeek Flash Latest is the cheaper option at $0.00/$2.40 per 1M input/output tokens — DeepSeek V4 Pro 0423 ($0.21/$0.42) costs about 70x more per input token. Full spec-by-spec breakdown below.
| DeepSeek V4 Pro 0423 | DeepSeek Flash Latest | |
|---|---|---|
| Input /1M tokens | $0.21 | $0.00 |
| Output /1M tokens | $0.42 | $2.40 |
| Cache read /1M | $0.02 | $0.00 |
| Context window | 1.0M | 1.0M |
| Provider | DeepSeek | ~deepseek |
| Vision input | No | Yes |
| Released | Apr 2026 | Sep 2026 |
Real workload costs: DeepSeek V4 Pro 0423 vs DeepSeek Flash Latest
Cost per single request at common token profiles — the cheapest model for each workload is highlighted.
| Workload | Tokens (in / out) | DeepSeek V4 Pro 0423 | DeepSeek Flash Latest |
|---|---|---|---|
| Chatbot message | 500 / 300 | $0.0002 | $0.0007 |
| RAG query with context | 4,000 / 500 | $0.0010 | $0.0012 |
| Document summarization | 20,000 / 1,000 | $0.0046 | $0.0025 |
| Agent coding session | 100,000 / 5,000 | $0.02 | $0.01 |
Frequently asked questions
Which is cheaper: DeepSeek V4 Pro 0423 vs DeepSeek Flash Latest?
DeepSeek Flash Latest is the cheapest on input tokens at $0.00 per 1M, and DeepSeek V4 Pro 0423 is cheapest on output at $0.42 per 1M. DeepSeek V4 Pro 0423 costs about 70x more per input token than DeepSeek Flash Latest.
How much does DeepSeek V4 Pro 0423 cost per 1M tokens?
DeepSeek V4 Pro 0423 costs $0.21 per 1M input tokens and $0.42 per 1M output tokens on the DeepSeek 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 DeepSeek V4 Pro 0423 vs DeepSeek Flash Latest?
For a typical request with 2,000 input and 500 output tokens: DeepSeek V4 Pro 0423 costs $0.0006, DeepSeek Flash Latest costs $0.0012. At 1,000 requests/day for a month that is $18.79 for DeepSeek V4 Pro 0423 vs $36.18 for DeepSeek Flash Latest.
Estimate your own workload with the per-model calculators (DeepSeek V4 Pro 0423, 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.