DeepSeek: DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total.

Context
1.0M
Max output
66K
Input price
$0.09/1M tokens
Output price
$0.18/1M tokens

Capabilities

vision
tool call
structured output
reasoning
json mode
streaming
fine tuning
batch

Details

Model IDdeepseek/deepseek-v4-flash-0731
Provider OpenRouter
Creator DeepSeek
Familydeepseek
License—
Parameters—
Status—
Input modalitiestext
Output modalitiestext
Architecture—
Knowledge cutoff—
Training data cutoff—
Release date
Deprecation date—
Typechat
Reasoning tokens—
Max input—
Open weight—
Sourceofficial
Last updated

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$0.09
↓36%$0.14
Output
$0.18
↓36%$0.28
Cache write
—
Cache read
$0.02
↑500%$0
Batch in
—
Batch out
—
Price history · $/1M input
$0.14
$0.09
Jul 31Aug 2
DateInputOutputCache readChange
Jul 31, 2026$0.14$0.28$0.003—
Aug 2, 202686db01c$0.09$0.18$0.018↓36%

Input is ↓36% since Jul 31, 2026, from $0.14 to $0.09 per 1M tokens.

Price across providers

ProviderInputOutputSince launch
Vercel AI Gatewaycheapest$0.01$0.03↓89%
OpenRouter$0.09$0.18↓36%
Novita AI$0.14$0.28—

Family Comparison: deepseek

ModelContextMax outPricing
DeepSeek: DeepSeek V4 Flash (free)1.0M384K
DeepSeek V4 Flash Latest1.0M66K$0.09$0.18
DeepSeek: DeepSeek V4 Flash 07311.0M66K$0.09$0.18
Nex AGI: DeepSeek V3.1 Nex N1131K164K$0.14$0.5
DeepSeek: DeepSeek V4 Flash 04231.0M393K$0.14$0.28
DeepSeek: DeepSeek V3.2164K66K$0.27$0.4
DeepSeek: DeepSeek V3.1 Terminus164K33K$0.27$1
DeepSeek: DeepSeek V3.2 Exp164K66K$0.27$0.41
DeepSeek: DeepSeek V3.2 Speciale164K164K$0.29$0.43
DeepSeek: DeepSeek V4 Pro1.0M384K$0.44$0.87

API

GET/v1/models/openrouter/deepseek/deepseek-v4-flash-0731