OpenAI compatible API · Attested · Public status

OpenAI: GPT-5.4 Mini vs OpenAI: GPT-5.6 Sol

GPT-5.4 Mini vs GPT-5.6 Sol: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.

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

Monthly evidence

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-5.6 Sol has the larger context window. Current TrustedRouter probes show OpenAI: GPT-5.4 Mini with the lower p50 TTFT.

$5.53875/1MOpenAI: GPT-5.4 Mini cheapest route

$25.32/1MOpenAI: GPT-5.6 Sol cheapest route

854 msOpenAI: GPT-5.4 Mini fastest measured p50 TTFT via openai

1529 msOpenAI: GPT-5.6 Sol fastest measured p50 TTFT via openai

Prices and live route measurements can change. Use the monthly reports when you need a stable evidence window, then run a small task-specific eval before choosing a production default.

OpenAI: GPT-5.4 MiniOpenAI: GPT-5.6 Sol

Model idopenai/gpt-5.4-miniopenai/gpt-5.6-sol

Publisher OpenAI OpenAI

AI IQ IQ 112#51 IQ 136#4

Context400,000 tokens1,050,000 tokens

Credits provider routes22

Cheapest route$5.53875/1M$25.32/1M

Cached input$0.079125/1M$0.422/1M to $0.844/1M

Privacy posturehas ZDR routehas ZDR route

Fastest measured p50 TTFT854 ms via openai1529 ms via openai

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

OpenAI: GPT-5.4 Mini routes

Overview2 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

OpenAI: GPT-5.6 Sol routes

Overview2 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

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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,
)

Questions

Which should I use, OpenAI: GPT-5.4 Mini or OpenAI: GPT-5.6 Sol?

Is OpenAI: GPT-5.4 Mini or OpenAI: GPT-5.6 Sol cheaper?

The current cheapest TrustedRouter route is $5.53875/1M for OpenAI: GPT-5.4 Mini and $25.32/1M for OpenAI: GPT-5.6 Sol. The comparison uses current catalog prices and updates as provider pricing changes.

Is OpenAI: GPT-5.4 Mini or OpenAI: GPT-5.6 Sol faster?

Current measured p50 time to first token is 854 ms for OpenAI: GPT-5.4 Mini and 1529 ms for OpenAI: GPT-5.6 Sol. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test OpenAI: GPT-5.4 Mini and OpenAI: GPT-5.6 Sol with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between openai/gpt-5.4-mini and openai/gpt-5.6-sol. This makes side-by-side evals possible without maintaining two provider integrations.