How much does DeepSeek V4 Flash 0731 cost per million tokens?

$0.14 per million input tokens and $0.396 per million output tokens, as listed on OpenRouter on October 22, 2026.

Does DeepSeek V4 Flash 0731 support prompt caching?

Yes. OpenRouter lists cached input at $0.014 per million tokens, against $0.14 for uncached input.

Is there a cheaper model as good as DeepSeek V4 Flash 0731?

MiMo-V2.6-Flash scores 60.8 on the LLMBenchmark Index, within two points of DeepSeek V4 Flash 0731 or above it, and costs $0.28 per million output tokens.

DeepSeek V4 Flash 0731 API pricing

As of October 22, 2026, DeepSeek V4 Flash 0731 costs $0.14 per million input tokens and $0.396 per million output tokens, the median of 25 providers on OpenRouter, with cached input at $0.014 per million.

DeepSeek V4 Flash 0731 benchmarks and specs · Every DeepSeek model's price

Input, per million tokens$0.14
Output, per million tokens$0.396
Cached input, per million$0.014
Context window1.05M tokens
Max output131K tokens
Output speedNot measured

What a request costs

Three fixed token mixes at the list price, without cache or batch discounts. For a whole month, use the calculator.

Cost of three workloads on DeepSeek V4 Flash 0731
Workload	Tokens	One request	1,000 requests	Fits the context window
Chat turn	1K input + 500 output tokens	$0.0003	$0.338	Yes
Repository review	50K input + 3K output tokens	$0.0082	$8.19	Yes
Agent loop	200K input + 10K output tokens	$0.032	$31.96	Yes
Solved coding task	One SWE-bench Verified attempt, divided by the share that succeed	$0.01	$10.00

Price history

The price of DeepSeek V4 Flash 0731 here is the median across 25 providers on OpenRouter, so we do not track price changes for it.

Cheaper models as good as DeepSeek V4 Flash 0731

Models within two points of DeepSeek V4 Flash 0731 or above it on the LLMBenchmark Index, with a lower output price. Cheapest first.

MiMo-V2.6-Flash$0.28 Overall 60.8 against 55.2 · 29% cheaper output

DeepSeek V4 Flash 0731 pricing questions

How much does DeepSeek V4 Flash 0731 cost per million tokens?: $0.14 per million input tokens and $0.396 per million output tokens, as listed on OpenRouter on October 22, 2026.
Does DeepSeek V4 Flash 0731 support prompt caching?: Yes. OpenRouter lists cached input at $0.014 per million tokens, against $0.14 for uncached input.
Is there a cheaper model as good as DeepSeek V4 Flash 0731?: MiMo-V2.6-Flash scores 60.8 on the LLMBenchmark Index, within two points of DeepSeek V4 Flash 0731 or above it, and costs $0.28 per million output tokens.
Has the price of DeepSeek V4 Flash 0731 changed?: The price of DeepSeek V4 Flash 0731 here is the median across 25 providers on OpenRouter, so we do not track price changes for it.