> ## Documentation Index
> Fetch the complete documentation index at: https://docs.venice.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# DeepSeek V4 Flash 0731 API

> DeepSeek V4 Flash 0731 API on Venice: 1M context, $0.13 input and $0.26 output per 1M tokens. Private, with zero data retention.

> [accordion] Plain-text specification
>
> ## 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.
>
> ```bash theme={"system"}
> 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"
>   }'
> ```
>
> ### Related models
>
> * [DeepSeek V4.1 Flash API](https://docs.venice.ai/models/deepseek-v4-1-flash.md): $0.30 / $1.20 per 1M
> * [DeepSeek V4 Flash 0423 API](https://docs.venice.ai/models/deepseek-v4-flash-0423.md): $0.138 / $0.275 per 1M
> * [Mercury 3 API](https://docs.venice.ai/models/mercury-3.md): $0.10 / $0.35 per 1M
> * [Google Gemma 4 31B Instruct API](https://docs.venice.ai/models/google-gemma-4-31b-instruct.md): $0.12 / $0.36 per 1M
> * [GPT-6 Luna API](https://docs.venice.ai/models/gpt-6-luna.md): $0.10 / $0.50 per 1M
> * [Claude Haiku 5.5 API](https://docs.venice.ai/models/claude-haiku-5-5.md): $0.10 / $0.50 per 1M


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.