tbuy

deepseek-v4-flash-0731 API pricing & access

deepseek-v4-flash-0731 API pricing: $0.44 per 1M tokens. Compare supported endpoints, capabilities and access options on tbuy.

deepseek-v4-flash-0731 API access

Compare supported API endpoints and capabilities, then access deepseek-v4-flash-0731 through the unified API gateway.

Category
text
Supported APIs
OpenAI Chat Completions API, Anthropic Messages API
API endpoints
POST /v1/chat/completions, POST /v1/messages

deepseek-v4-flash-0731 API pricing

Base input price
$0.44 per 1M tokens
Base output price
$1.33 per 1M tokens

Base prices are shown in USD before group-specific adjustments. Open the live pricing page for current access-group prices.

About deepseek-v4-flash-0731

deepseek-v4-flash-0731 is this catalog’s dated label, associated with DeepSeek-V4-Flash-0731. The July 31 update targets coding and agent work while retaining the V4-Flash architecture.

Official API names do not use this catalog’s date suffix, so it does not prove a pinned snapshot. Confirm the served version and media contract on the selected route before migration. Official reference, checked 2026-10-14.

Use cases and prompting

  1. Provide logs and minimal code; request a root cause, patch and verification steps, then execute the checks.
  2. Use fixed tool-call and output-format cases to check streaming termination, failures and final answers.
  3. Confirm vision support before sending screenshots; provide textual evidence on text-only routes.
  4. Compare identical cases with deepseek-v4-1-flash; record complete outputs, failures and actual usage. See the API documentation for integration.

How to call deepseek-v4-flash-0731

deepseek-v4-flash-0731 is served through tbuy's unified gateway. Existing OpenAI or Anthropic SDK code keeps working: point base_url at https://modelsok.com and use your tbuy API key.

curl (OpenAI-compatible)

curl https://modelsok.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "deepseek-v4-flash-0731", "messages": [{"role": "user", "content": "Hello"}]}'

Python (openai SDK)

from openai import OpenAI

client = OpenAI(base_url="https://modelsok.com/v1", api_key="YOUR_API_KEY")
response = client.chat.completions.create(
    model="deepseek-v4-flash-0731",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)

Python (anthropic SDK)

from anthropic import Anthropic

client = Anthropic(base_url="https://modelsok.com", api_key="YOUR_API_KEY")
message = client.messages.create(
    model="deepseek-v4-flash-0731",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello"}],
)
print(message.content[0].text)

Frequently asked questions about deepseek-v4-flash-0731

What is deepseek-v4-flash-0731?

Use deepseek-v4-flash-0731 through the API endpoints listed on this page. Compare its configured capabilities and supplier prices before choosing an integration.

How do I call deepseek-v4-flash-0731?

Create an API key with access to deepseek-v4-flash-0731, then use the exact model ID and a supported endpoint from the API access section. Request fields depend on the selected endpoint.

How is deepseek-v4-flash-0731 priced?

Pricing depends on the selected provider group and the model billing unit. Refer to the current input, output, request, or media prices in the pricing section.

How should I evaluate deepseek-v4-flash-0731 for my project?

Start with the use cases and prompting guidance on this page, then evaluate the model with representative inputs from your project.

Back to AI model API pricing