DeepSeek · Text
DeepSeek V4 Flash 0731 API pricing
DeepSeek V4 Flash 0731 is in the catalog and available on request: ask and it is normally enabled within a business day, at the price shown.
- Context window
- 1.0M tokens
- Type
- Text
- Capabilities
- tools · reasoning
- Availability
- On request
- Model id
- deepseek/deepseek-v4-flash-0731
What you paySave 80%
- Input, per 1M tokens
- $0.0260was
$0.13 - Output, per 1M tokens
- $0.0520was
$0.26
vendor listyou pay
Same model, same tokens, less to pay. Billed per request from prepaid credits; every response reports the cost.
Use it
Point the OpenAI SDK at OSMEXO and use deepseek/deepseek-v4-flash-0731
The base URL and the key are the only changes. Streaming, tool calls, structured output and vision behave as they do upstream, and every response carries the billed cost beside the list price.
Python · openai sdk
from openai import OpenAI
client = OpenAI(
base_url="https://api.osmexo.com/v1", # was the vendor's URL
api_key="osm-...",
)
r = client.chat.completions.create(
model="deepseek/deepseek-v4-flash-0731",
messages=[{"role": "user", "content": "Hello"}],
)
Trust
Check it is the real DeepSeek V4 Flash 0731, with your own key
The same battery we run before a route goes live: tokenizer fingerprint, knowledge cutoff, hidden-prompt probe and exact-output tasks, scored 0 to 100 against the vendor’s own API. One OpenRouter key verifies any text model; a direct DeepSeek key works too. Exit code 0 means the same model.
bash · verify with your own vendor key
curl -fsSLO https://dashboard.osmexo.com/verify.mjs
OSMEXO_API_KEY=osm-... VENDOR_API_KEY=sk-or-... node verify.mjs --model deepseek/deepseek-v4-flash-0731 --vendor openrouter
Questions
About DeepSeek V4 Flash 0731 on OSMEXO
- How much does DeepSeek V4 Flash 0731 cost through OSMEXO?
- $0.0260 per 1M input tokens and $0.0520 per 1M output tokens, billed per request from prepaid credits. That is 80% below DeepSeek’s list price of $0.13 / $0.26. The price on this page refreshes from the catalog every few minutes.
- Is this the same DeepSeek V4 Flash 0731 as calling DeepSeek directly?
- Yes. Every route for DeepSeek V4 Flash 0731 is probed against the vendor’s own API before it serves anyone: tokenizer fingerprint, knowledge cutoff, a hidden-prompt probe and exact-output tasks, scored 0 to 100 with 85 as the approval threshold. You can run the same check from your machine with your own vendor key; the command is on this page.
- How do I call DeepSeek V4 Flash 0731 with the OpenAI SDK?
- Point the official OpenAI SDK at https://api.osmexo.com/v1 with your OSMEXO key and use the model id deepseek/deepseek-v4-flash-0731. Streaming, tool calls, structured output and vision work as they do upstream. Coding agents such as OpenCode, Cline, Roo Code, Continue and Aider take the same base URL and key.
- Why is DeepSeek V4 Flash 0731 “on request”?
- The model is in the catalog but not yet enabled for every key, usually because its routes are still being verified or a vendor key is pending. Ask from the contact form or the dashboard and it is normally enabled within a business day.
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