OpenAI compatible API · Attested · Public status

Google: Gemma 3 12B vs OpenAI: GPT-4o

Compare Google: Gemma 3 12B and OpenAI: GPT-4o 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

Google: Gemma 3 12B has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: GPT-4o has more provider fallback routes, while Google: Gemma 3 12B has the larger context window. Current TrustedRouter probes show Google: Gemma 3 12B with the lower p50 TTFT.

$0.1575/1MGoogle: Gemma 3 12B cheapest route

$13.125/1MOpenAI: GPT-4o cheapest route

938 msGoogle: Gemma 3 12B measured p50 TTFT

967 msOpenAI: GPT-4o measured p50 TTFT

Google: Gemma 3 12BOpenAI: GPT-4o

Model idgoogle/gemma-3-12b-itopenai/gpt-4o

PublisherGoogle AI StudioOpenAI

AI IQ — IQ #

Context131,072 tokens128,000 tokens

Provider routes45

Cheapest route$0.1575/1M$13.125/1M

Privacy postureprovider posture varieshas ZDR route

Modes chat chat

Google: Gemma 3 12B routes

Overview4 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

OpenAI: GPT-4o routes

Overview5 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="google/gemma-3-12b-it",
    messages=messages,
)