OpenAI compatible API · Attested · Public status

OpenAI: GPT-5.4 Mini vs OpenAI: GPT-4 Turbo

Compare OpenAI: GPT-5.4 Mini and OpenAI: GPT-4 Turbo by providers, context, price, and TrustedRouter route support.

Verify gateway

Onebase URL to migrate

100sof models and routes

Noneprompt logs by default

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

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

$5.5125/1MOpenAI: GPT-5.4 Mini cheapest route

$42/1MOpenAI: GPT-4 Turbo cheapest route

5180 msOpenAI: GPT-5.4 Mini measured p50 TTFT

7106 msOpenAI: GPT-4 Turbo measured p50 TTFT

OpenAI: GPT-5.4 MiniOpenAI: GPT-4 Turbo

Model idopenai/gpt-5.4-miniopenai/gpt-4-turbo

PublisherOpenAIOpenAI

AI IQ IQ 113#32 IQ #

Context400,000 tokens128,000 tokens

Provider routes44

Cheapest route$5.5125/1M$42/1M

Privacy postureprovider posture variesprovider posture varies

Modes chat chat

OpenAI: GPT-5.4 Mini routes

Overview4 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

OpenAI: GPT-4 Turbo routes

Overview4 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

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.trustedrouter.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="openai/gpt-5.4-mini",
    messages=messages,
)