OpenAI compatible API · Attested · Public status
Google: Gemini 3 Flash Preview vs OpenAI: GPT-5.6 Terra
Compare Google: Gemini 3 Flash Preview and OpenAI: GPT-5.6 Terra by providers, context, price, and TrustedRouter route support.
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: Gemini 3 Flash Preview has the lower cheapest prompt+completion route on TrustedRouter. Google: Gemini 3 Flash Preview has more provider fallback routes, while OpenAI: GPT-5.6 Terra has the larger context window. Probe-backed speed data is shown when enough recent samples exist.
$3.675/1MGoogle: Gemini 3 Flash Preview cheapest route
$18.375/1MOpenAI: GPT-5.6 Terra cheapest route
not enough dataGoogle: Gemini 3 Flash Preview measured p50 TTFT
not enough dataOpenAI: GPT-5.6 Terra measured p50 TTFT
Google: Gemini 3 Flash PreviewOpenAI: GPT-5.6 Terra
Model id
google/gemini-3-flash-previewopenai/gpt-5.6-terra
PublisherGoogle AI StudioOpenAI
Context1,048,576 tokens1,050,000 tokens
Provider routes66
Cheapest route$3.675/1M$18.375/1M
Privacy posturehas ZDR routehas ZDR route
Modes
chat
chat
Google: Gemini 3 Flash Preview routes
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/gemini-3-flash-preview",
messages=messages,
)