DeepSeek V4 Flash (0423)
deepseek-v4-flash-0423AvailableDeepSeek's V4 Flash, April 23 release, for chat, coding, and tool use.
- Input
- $0.18
- Cached input
- $0.035
- Output
- $0.35
per 1M tokens
- Context
- 1M
- Max output
- 8.2K
Tool callingJSON outputOpenAI Chat CompletionsOpenAI ResponsesAnthropic Messages
Quickstart
Base URL
https://redrouter.org/v1Model ID
deepseek-v4-flash-0423curl 'https://redrouter.org/v1/chat/completions' \
-H "Authorization: Bearer $REDROUTER_API_KEY" \
-H 'Content-Type: application/json' \
-d '{"messages":[{"content":"Hello","role":"user"}],"model":"deepseek-v4-flash-0423"}'curl -N 'https://redrouter.org/v1/chat/completions' \
-H "Authorization: Bearer $REDROUTER_API_KEY" \
-H 'Content-Type: application/json' \
-d '{"messages":[{"content":"Hello","role":"user"}],"model":"deepseek-v4-flash-0423","stream":true,"stream_options":{"include_usage":true}}'import os
from openai import OpenAI
client = OpenAI(
base_url="https://redrouter.org/v1",
api_key=os.environ["REDROUTER_API_KEY"],
)
response = client.chat.completions.create(
model="deepseek-v4-flash-0423",
messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://redrouter.org/v1",
apiKey: process.env.REDROUTER_API_KEY,
});
const response = await client.chat.completions.create({
model: "deepseek-v4-flash-0423",
messages: [{ role: "user", content: "Hello" }],
});
console.log(response.choices[0].message.content);Set REDROUTER_API_KEY to a key from API Keys.
Supported parameters
modelmessagesstreamstream_optionsmax_tokensmax_completion_tokenstemperaturetop_pstoppresence_penaltyfrequency_penaltyseedtoolstool_choiceparallel_tool_callsresponse_formatuserreasoning_effortreasoningenable_thinkingthinkingthinking_budgetchat_template_kwargsoutput_config
Other parameters return HTTP 400; user is accepted but not forwarded. Request fields and limits.