OpenAI compatible API · Attested · Public status

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

Compare OpenAI: GPT-5.5 and Google: Gemma 3 12B 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

Google: Gemma 3 12B has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: GPT-5.5 has more provider fallback routes, while OpenAI: GPT-5.5 has the larger context window. Current TrustedRouter probes show OpenAI: GPT-5.5 with the lower p50 TTFT.

$36.75/1MOpenAI: GPT-5.5 cheapest route

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

7572 msOpenAI: GPT-5.5 measured p50 TTFT

11516 msGoogle: Gemma 3 12B measured p50 TTFT

OpenAI: GPT-5.5Google: Gemma 3 12B

Model idopenai/gpt-5.5google/gemma-3-12b-it

PublisherOpenAIGoogle AI Studio

AI IQ IQ 132#3 —

Context1,050,000 tokens131,072 tokens

Provider routes44

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

Privacy postureprovider posture variesprovider posture varies

Modes chat chat

OpenAI: GPT-5.5 routes

Overview4 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Google: Gemma 3 12B 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-5.5",
    messages=messages,
)