OpenAI compatible API · Attested · Public status
Google: Gemma 4 31B vs OpenAI: gpt-oss-20b
Compare Google: Gemma 4 31B and gpt-oss-20b across token pricing, context windows, provider availability, privacy options, route diversity, and measured performance.
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
OpenAI: gpt-oss-20b has the lower cheapest prompt+completion route on TrustedRouter. Google: Gemma 4 31B has more provider fallback routes, while Google: Gemma 4 31B has the larger context window. Current TrustedRouter probes show Google: Gemma 4 31B with the lower p50 TTFT.
$0.5355/1MGoogle: Gemma 4 31B cheapest route
$0.1785/1MOpenAI: gpt-oss-20b cheapest route
949 msGoogle: Gemma 4 31B measured p50 TTFT
1081 msOpenAI: gpt-oss-20b measured p50 TTFT
Google: Gemma 4 31BOpenAI: gpt-oss-20b
Model id
google/gemma-4-31b-itopenai/gpt-oss-20b
Context262,144 tokens131,072 tokens
Provider routes2314
Cheapest route$0.5355/1M$0.1785/1M
Privacy posturehas provider E2EE routehas ZDR route
Modes
chat
chat
Google: Gemma 4 31B 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://api.trustedrouter.com/v1",
api_key="sk-tr-v1-..."
)
response = client.chat.completions.create(
model="google/gemma-4-31b-it",
messages=messages,
)