DeepSeek V4 Flash API

Model details

Context window

1.1M tokens

Max output

393K tokens

Input

Text

Output

Text

Capabilities

Reasoning, Tool calling, Streaming, JSON output

Interfaces

OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses

Why teams pick it

• DeepSeek V4 Flash for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.

Call DeepSeek V4 Flash

DeepSeek V4 Flash answers on any of the APIs below — pick the one your code already speaks and just swap in your Inferray key.

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

curl https://api.inferray.com/v1/messages \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "deepseek-v4-flash",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'

curl https://api.inferray.com/v1/responses \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "deepseek-v4-flash",
  "input": "Hello"
}'

Use DeepSeek V4 Flash in your tools

Every coding agent below has a setup guide. Set the model to deepseek-v4-flash.

• Claude Code
• Codex
• opencode
• Cline
• Roo Code
• Aider
• Continue

More from DeepSeek

Alternatives to DeepSeek V4 Flash

• MiMo V2.6 FlashMiMo V2.6 Flash for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Xiaomi
• Seed 2.0 Mini (260428)Seed 2.0 Mini (260428) for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.ByteDance
• Llama 3.3 70B InstructLlama 3.3 70B Instruct for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Meta

Questions about this model

How much does the DeepSeek V4 Flash API cost?

DeepSeek V4 Flash costs $0.14 per 1M input tokens and $0.28 per 1M output tokens on Inferray, and cached input is $0.0028 per 1M. That is the list price, with no gateway fee on top.

Is there a free tier for DeepSeek V4 Flash?

No. You add credit and pay DeepSeek V4 Flash's list rate for each request — seats, projects, and API keys are free, and pay-as-you-go credit never expires.

Am I charged for failed requests?

No. A request that fails without returning a result is not billed. If a response fails part-way, the tokens already processed before the failure are charged.

Is DeepSeek V4 Flash included in Token Plans?

No. DeepSeek V4 Flash is pay-as-you-go only; Token Plans cover the other text models in the catalog.

Can I use DeepSeek V4 Flash in Claude Code?

Yes. Set ANTHROPIC_BASE_URL to https://api.inferray.com, ANTHROPIC_AUTH_TOKEN to your Inferray key, and ANTHROPIC_MODEL to deepseek-v4-flash. The same key works in Codex, opencode, Cline, and other agents.

Does DeepSeek V4 Flash support tool calling and vision?

DeepSeek V4 Flash supports tool calling, reasoning, JSON output and streaming on Inferray. It does not take image input.

Is it the real DeepSeek V4 Flash?

Yes. A request for deepseek-v4-flash is answered by DeepSeek V4 Flash from DeepSeek, billed at its published list price. Inferray never substitutes a different or smaller model.