DeepSeek V4 Flash 0731 (batch)

Name: DeepSeek: DeepSeek V4 Flash 0731 (batch)
Brand: deepseek
SKU: deepseek/deepseek-v4-flash-0731:batch
Price: 0.0528 USD
Availability: InStock

deepseek/deepseek-v4-flash-0731:batch

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total.

$0.0528 in · $0.1584 out per 1M tokens1M contextJul 31, 2026

about 0.01¢ a message

A typical message: about 500 tokens you send and 500 it writes.

Chat with DeepSeek V4 Flash 0731 (batch)

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Also:DeepSeek V4 Flash 0423

Spec sheet

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens: $0.0528provider $0.048
Output, per 1M tokens: $0.1584provider $0.144
Cached input, per 1M: $0.0132provider $0.012
Margin: +10%

Context and formats

Context window: 1,048,576 tokens
Longest answer: 384,000 tokens
Reads: text
Makes: text
First listed: 2026-07-31

Measured here, last 7 days

First token, median: not measured
Answered without error: not measured

Tools and JSON

Tool calling: declaredthe provider's claim, not yet measured here
JSON output: declaredthe provider's claim, not yet measured here

Price and latency history as JSON: GET /api/planet/history?id=deepseek/deepseek-v4-flash-0731:batch.

About

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....

In DeepSeek's words.

Try it here

Cmd+Enter sends

The answer appears here.

Measured here

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Call it

Use one OpenAI compatible endpoint, this model's id and an am_live_ key from the dashboard. You can also try it in chat first with no key.

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

Everything else is in the docs.

Embed this

A badge showing this model's live price per million tokens, as billed here, for a README or a site. It links back to this page.

DeepSeek V4 Flash 0731 (batch) price on Antimatter

<a href="https://useantimatter.com/planet/deepseek/deepseek-v4-flash-0731%3Abatch"><img src="https://useantimatter.com/api/badge/price?id=deepseek%2Fdeepseek-v4-flash-0731%3Abatch" alt="DeepSeek V4 Flash 0731 (batch) price on Antimatter" height="28"></a>

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