DeepSeek V4 Flash 0731 - Corvex Token Factory

DeepSeek V4 Flash 0731 is DeepSeek’s open-weight model for text, code, reasoning, and tool use. Token Factory serves this version with a 1,048,576-token context window. Model ID: deepseek-ai/DeepSeek-V4-Flash-0731

Specifications

Context window: 1,048,576 tokens (1M)
Maximum output: 1,048,576 tokens, subject to the remaining context space
Input: text
Output: text
Capabilities: chat, reasoning, coding, tool use, JSON mode, structured output
Sampling parameters: temperature, top_p, stop, max_tokens
License: MIT
Model repository: deepseek-ai/DeepSeek-V4-Flash-0731

Input and reserved output share the context window: input_tokens + max_tokens must fit within 1,048,576 tokens. Image input is not supported. Include the -0731 suffix when selecting this version.

Pricing

Direction	Rate (USD)
Input	$0.14 / 1M tokens
Output	$0.28 / 1M tokens

During the free Alpha, the dashboard reports equivalent usage value but does not charge these rates. See Pricing.

Send a request

curl https://api.tokenfactory.corvex.cloud/v1/chat/completions \
  -H "Authorization: Bearer ${CORVEX_API_KEY}" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-ai/DeepSeek-V4-Flash-0731",
    "messages": [
      {"role": "user", "content": "Plan a zero-downtime database migration."}
    ]
  }'

Set stream: true for streamed responses. See the API reference for request fields and the integration guides for SDKs and developer tools. Open DeepSeek V4 Flash 0731 in the Token Factory playground.