# DeepSeek V4.1 Flash API pricing

DeepSeek V4.1 Flash is one of DeepSeek's newest models. It costs $0.30 per million tokens it reads and $1.20 per million it writes, $0.525 on a mix of 3 read for each 1 written. Below are every price DeepSeek lists for it, what 8 everyday jobs cost a month on it, and the models that do as well for less.

- Page: https://tecyfy.com/prices/deepseek-flash
- Maker: DeepSeek

## Price per million tokens, in US dollars

| | Price |
| --- | --: |
| Input | $0.30 |
| Cached input | $0.006 |
| Cache write | not listed |
| Output | $1.20 |
| Blend, 3 read for each 1 written | $0.525 |
| Batch input | not listed |
| Batch output | not listed |
| Context window, tokens | 1M |
| Longest answer, tokens | not listed |
| Capability score (Epoch Capabilities Index; GPT-5 is 150) | 156 |

The peak-hours price. Off-peak hours are half. Peak is 01:00 to 04:00 and 06:00 to 10:00 UTC on weekdays.

## What 8 everyday jobs cost a month

Each job at its usual runs a day, for 30 days, at the standard price.

| Job | Tokens in, out, runs a day | A run | A month |
| --- | --- | --: | --: |
| A chat question | 300, 500, 100 | 0.069 cents | $2.07 |
| A hard question, with thinking | 300, 1,400, 100 | 0.18 cents | $5.31 |
| A long report, summarised | 60,000, 2,000, 20 | 2 cents | $12.24 |
| A 40-turn agent task | 2,800,000, 40,000, 10 | 15 cents | $44.14 |
| A support bot's reply | 4,000, 300, 2,000 | 0.097 cents | $58.32 |
| Sort a message into a category | 250, 5, 50,000 | 0.0081 cents | $122 |
| Read an invoice into fields | 1,500, 250, 1,000 | 0.075 cents | $22.50 |
| Review a pull request | 25,000, 4,500, 50 | 1.3 cents | $19.35 |

## Cheaper models that score as well as DeepSeek V4.1 Flash

- [Claude Haiku 5.5](https://tecyfy.com/prices/claude-haiku-5-5.md), Anthropic: $0.20 per million at 3:1, score 159
- [GPT-6 Luna](https://tecyfy.com/prices/gpt-6-luna.md), OpenAI: $0.20 per million at 3:1, score 156

## Questions

### How much does DeepSeek V4.1 Flash cost?

DeepSeek V4.1 Flash costs $0.30 per million input tokens, the text it reads, and $1.20 per million output tokens, the text it writes, thinking included. On a mix of 3 tokens read for each 1 written, that is $0.525 per million.

### How much does cached input cost on DeepSeek V4.1 Flash?

Text DeepSeek V4.1 Flash reads again from the cache costs $0.006 per million tokens, against $0.30 the first time. DeepSeek lists no separate price for writing to the cache.

### Does DeepSeek V4.1 Flash have a batch price?

Not on DeepSeek's price page, which lists no batch price for DeepSeek V4.1 Flash. The cache still lowers the price of text it reads again.

### How good is DeepSeek V4.1 Flash?

DeepSeek V4.1 Flash scores 156 on the Epoch Capabilities Index, an independent score from Epoch AI that combines over 50 benchmarks, with a range of doubt from 154 to 158 (GPT-5 is 150). One score is an average; test it on 10 tasks of your own.

### Is there a cheaper model as good as DeepSeek V4.1 Flash?

Claude Haiku 5.5 from Anthropic scores 159 on the Epoch Capabilities Index, about as well or better, and costs $0.20 per million on a mix of 3 tokens read for each 1 written: DeepSeek V4.1 Flash costs 2.6 times as much. Test both on your own work before you switch.

### Where does DeepSeek V4.1 Flash rank on price?

DeepSeek V4.1 Flash is the 4th cheapest of the 16 newest models we list, by the price of 3 tokens read for each 1 written.

### What does a support bot cost a month on DeepSeek V4.1 Flash?

At 2,000 replies a day, each reading 4,000 tokens (50 percent of them from cache) and writing 300, a support bot costs 0.097 cents a reply on DeepSeek V4.1 Flash, $58.32 a month.

### What does an AI agent task cost on DeepSeek V4.1 Flash?

One 40-turn task that reads 2,800,000 tokens in all, 90 percent of them from cache, and writes 40,000, costs 15 cents on DeepSeek V4.1 Flash. At 10 tasks a day that is $44.14 a month.

## Sources

- [DeepSeek: API prices](https://api-docs.deepseek.com/quick_start/pricing)
- [Epoch Capabilities Index, by Epoch AI (CC BY 4.0)](https://epoch.ai/benchmarks/eci)
- Every model's prices as [JSON](https://tecyfy.com/prices.json) or [CSV](https://tecyfy.com/prices.csv), free to use

## Compare

- [DeepSeek V4.1 Flash vs GPT-6 Luna](https://tecyfy.com/prices/compare/deepseek-flash-vs-gpt-6-luna.md)
- [Claude Haiku 5.5 vs DeepSeek V4.1 Flash](https://tecyfy.com/prices/compare/claude-haiku-5-5-vs-deepseek-flash.md)
- [DeepSeek V4.1 Flash vs Qwen3.8-Flash](https://tecyfy.com/prices/compare/deepseek-flash-vs-qwen3-8-flash.md)
- [Gemini 3.5 Flash-Lite vs DeepSeek V4.1 Flash](https://tecyfy.com/prices/compare/deepseek-flash-vs-gemini-3-5-flash-lite.md)
- [Gemini 3.8 Flash vs DeepSeek V4.1 Flash](https://tecyfy.com/prices/compare/deepseek-flash-vs-gemini-3-8-flash.md)
- [DeepSeek V4 Pro vs DeepSeek V4.1 Flash](https://tecyfy.com/prices/compare/deepseek-flash-vs-deepseek-v4-pro.md)
- [Grok 4.7 vs DeepSeek V4.1 Flash](https://tecyfy.com/prices/compare/deepseek-flash-vs-grok-4-7.md)
- [DeepSeek V4.1 Flash vs Qwen3.8-Max](https://tecyfy.com/prices/compare/deepseek-flash-vs-qwen3-8-max.md)

## DeepSeek's other models

- [DeepSeek V4 Pro](https://tecyfy.com/prices/deepseek-v4-pro.md)