DeepSeek V4 Flash: API pricing, context window and capabilities

Prices from official vendor price lists · October 2026

DeepSeek V4 Flash costs $0.065 per 1M input tokens and $0.18 per 1M output tokens, with a 1.31M context window. One of the cheapest models here — below 93% of the rating on output price. Suited to high volume, where a wrong answer is cheap to retry.

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Capabilities

API $/1M (in / out)

$0.065 / $0.18

Context window

1.31M tokens

Price / mo

API only

Overview Reviews

DeepSeek V4 Flash 0731 is an AI model from DeepSeek, priced at $0.065 input and $0.18 output per 1M tokens. That places it in the budget tier of this rating — cheaper than 93% of the 205 priced models listed.

It holds 1.31M tokens in a single conversation, enough for a full codebase or a contract bundle in one pass. Capabilities recorded in this rating: text & chat, vision, reasoning, adjustable thinking, tool calling. Access is through the API rather than a consumer subscription.

API price$0.065 / $0.18per 1M tokens, in / out

Context1.31M tokenstokens per conversation

VendorDeepSeekall models from this vendor

TierBudgetcheaper than 93% of models

Cost calculator

1M tokens/mo10M tokens/mo50M tokens/mo200M tokens/mo

Standard$0.15~~AED 1 per month~~

With batch −50%$0.08~~AED 0 per month~~

With caching on input$0.14~~AED 1 per month~~

Standard$1.51~~AED 6 per month~~

With batch −50%$0.76~~AED 3 per month~~

With caching on input$1.37~~AED 5 per month~~

Standard$7.56~~AED 28 per month~~

With batch −50%$3.78~~AED 14 per month~~

With caching on input$6.83~~AED 25 per month~~

Standard$30.25~~AED 111 per month~~

With batch −50%$15.13~~AED 56 per month~~

With caching on input$27.32~~AED 100 per month~~

Assumes a 1:3 input-to-output ratio, which is typical for chat and generation. Dirham figures use 3.6725 per dollar. Batch and caching discounts apply where the vendor offers them.

Compared with alternatives

How DeepSeek V4 Flash 0731 sits against its neighbours in this rating. Tap a card to open that model.

DeepSeek V4 Flash 0423

Cheaper

DeepSeek

$0.088606 / $0.1772121.05M tokens

Laguna S 2.1

Closest match

Poolside

$0.09 / $0.181.05M tokens

Nemotron 3.5 Lightning

Step up

NVIDIA

$0.08 / $0.2262.1K tokens

Good and poor fit

Good fit

Multi-step analysis, planning and code review, where the first plausible answer is often wrong.
Reading screenshots, charts, scanned documents and photos.
Whole codebases, contract bundles and long transcripts in a single pass.

Poor fit

Long multi-step reasoning, where a larger model finishes in fewer attempts.

Related filters

Text & chat234 models for text generation and chat

Vision159 models that read images

Reasoning175 models that think before answering

Adjustable thinking85 models with a reasoning depth dial

Tool calling172 models that call your functions

DeepSeek9 models from this vendor

All 245 modelsThe full rating with filters and prices

Frequently asked questions

How much does DeepSeek V4 Flash 0731 cost?

$0.065 / $0.18 per 1M tokens, input and output. In dirhams that is roughly AED 0.24 per 1M input tokens. Batch processing halves it where the vendor offers it.

What is the context window of DeepSeek V4 Flash 0731?

1.31M tokens in a single conversation.

What can DeepSeek V4 Flash 0731 do?

In this rating it is recorded with: text & chat, vision, reasoning, adjustable thinking, tool calling, structured JSON output, long context 1M+, prompt caching, batch API, free tier, low latency, multilingual, open weights.

Is DeepSeek V4 Flash 0731 a good choice?

It depends on the job. See the good-fit and poor-fit lists above, and compare against the neighbouring models before committing.

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