OpenAI compatible API · Attested · Public status

Google: Gemma 4 31B vs OpenAI: gpt-oss-20b

Compare Google: Gemma 4 31B and OpenAI: gpt-oss-20b 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

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

1637 msGoogle: Gemma 4 31B measured p50 TTFT

4722 msOpenAI: gpt-oss-20b measured p50 TTFT

Google: Gemma 4 31BOpenAI: gpt-oss-20b

Model idgoogle/gemma-4-31b-itopenai/gpt-oss-20b

PublisherGoogle AI StudioOpenAI

AI IQ IQ 101#65 IQ 100#69

Context262,144 tokens131,072 tokens

Provider routes2312

Cheapest route$0.5355/1M$0.1785/1M

Privacy posturehas provider E2EE routehas ZDR route

Modes chat chat

Google: Gemma 4 31B routes

Overview23 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

OpenAI: gpt-oss-20b routes

Overview12 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-4-31b-it",
    messages=messages,
)