DeepSeek V4 Flash 0731 API: Pricing and Specs

DeepSeek V4 Flash 0731 API

DeepSeek V4 Flash 0731 is a large language model by DeepSeek, available on the Venice API as deepseek-v4-flash-0731. It runs privately, with zero data retention.DeepSeek V4 Flash 0731 follows the 0423 release of DeepSeek V4 Flash, an efficiency-optimized 284B-parameter Mixture-of-Experts model with 13B active parameters and a 1M-token context window. Tuned for fast inference and high-throughput workloads while maintaining strong reasoning and coding performance.

DeepSeek V4 Flash 0731 API pricing

Model ID	Variant	Privacy	Price
`deepseek-v4-flash-0731`	Standard	Private	$0.13 / $0.26 per 1M
`deepseek-v4-flash-0731-fast`	Fast	Private	$0.35 / $0.70 per 1M

DeepSeek V4 Flash 0731 specifications

Spec	Value
Provider	DeepSeek
Released	Jul 31, 2026
Privacy	Private
Status	Stable
Open weights	Yes
Context window	1M tokens
Max output	256K tokens
Reasoning effort	none, low, high, max

How to use the DeepSeek V4 Flash 0731 API

Send requests to POST https://api.venice.ai/api/v1/chat/completions with "model": "deepseek-v4-flash-0731" and your API key.

curl https://api.venice.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash-0731",
    "messages": [{ "role": "user", "content": "Explain TEE attestation in two sentences." }],
    "reasoning_effort": "high"
  }'

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