OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4 Flash 0423 vs OpenAI: GPT-5.4 Mini

Compare DeepSeek: DeepSeek V4 Flash 0423 and OpenAI: GPT-5.4 Mini by providers, context, price, and TrustedRouter route support.

Verify gateway
Onebase URL to migrate
100sof models and routes
0prompt or output logs. Always.
Compare routesProviders, price, context, and policy posture in one view.
Use auto when uptime mattersKeep a primary model and let fallback handle provider failures.
Same API shapeUse the OpenAI client and set the model you want.

Practical read

DeepSeek: DeepSeek V4 Flash 0423 has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4 Flash 0423 has more provider fallback routes, while DeepSeek: DeepSeek V4 Flash 0423 has the larger context window. Current TrustedRouter probes show OpenAI: GPT-5.4 Mini with the lower p50 TTFT.

$0.2835/1MDeepSeek: DeepSeek V4 Flash 0423 cheapest route
$5.5125/1MOpenAI: GPT-5.4 Mini cheapest route
1169 msDeepSeek: DeepSeek V4 Flash 0423 measured p50 TTFT
1145 msOpenAI: GPT-5.4 Mini measured p50 TTFT
DeepSeek: DeepSeek V4 Flash 0423OpenAI: GPT-5.4 Mini
Model iddeepseek/deepseek-v4-flashopenai/gpt-5.4-mini
Context1,048,576 tokens400,000 tokens
Provider routes224
Cheapest route$0.2835/1M$5.5125/1M
Privacy posturehas ZDR routehas ZDR route
Modes chat chat

DeepSeek: DeepSeek V4 Flash 0423 routes

OpenAI: GPT-5.4 Mini routes

Production choice

Pick a default model. Keep fallback enabled.

TrustedRouter is useful when you know the model you want, but still need provider rollover, budget limits, usage records, and a prompt path you can verify.

OpenAI clientPython
client = OpenAI(
    base_url="https://api-azure.trustedrouter.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="deepseek/deepseek-v4-flash",
    messages=messages,
)
Workspace access

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