OpenAI compatible API · Attested · Public status

Google: Gemma 3 12B vs OpenAI: GPT-5.5

Compare Google: Gemma 3 12B and OpenAI: GPT-5.5 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. Google: Gemma 3 12B has more provider fallback routes, while OpenAI: GPT-5.5 has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

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

$36.75/1MOpenAI: GPT-5.5 cheapest route

not enough dataGoogle: Gemma 3 12B measured p50 TTFT

not enough dataOpenAI: GPT-5.5 measured p50 TTFT

Google: Gemma 3 12BOpenAI: GPT-5.5

Model idgoogle/gemma-3-12b-itopenai/gpt-5.5

PublisherGoogle AI StudioOpenAI

AI IQ — IQ 133#4

Context131,072 tokens1,050,000 tokens

Provider routes44

Cheapest route$0.1575/1M$36.75/1M

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-5.5 routes

Overview4 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
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://gchircrcif.eu-west-3.awsapprunner.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="google/gemma-3-12b-it",
    messages=messages,
)