OpenAI compatible API · Attested · Public status

OpenAI GPT OSS vs Google: Gemma 4 31B

OpenAI GPT OSS vs Google: Gemma 4 31B: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.

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

Monthly evidence

Google: Gemma 4 31B 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 OpenAI GPT OSS with the lower p50 TTFT.

$1.1605/1MOpenAI GPT OSS cheapest route

$0.4642/1MGoogle: Gemma 4 31B cheapest route

782 msOpenAI GPT OSS fastest measured p50 TTFT via cerebras

1094 msGoogle: Gemma 4 31B fastest measured p50 TTFT via friendli

Prices and live route measurements can change. Use the monthly reports when you need a stable evidence window, then run a small task-specific eval before choosing a production default.

OpenAI GPT OSSGoogle: Gemma 4 31B

Model idcerebras/gpt-oss-120bgoogle/gemma-4-31b-it

Publisher Cerebras Google AI Studio

AI IQ IQ 105#70 IQ 101#83

Context131,072 tokens262,144 tokens

Credits provider routes113

Cheapest route$1.1605/1M$0.4642/1M

Cached inputNot published$0.02743/1M to $0.1477/1M

Privacy posturehas ZDR routehas provider E2EE route

Fastest measured p50 TTFT782 ms via cerebras1094 ms via friendli

Highest measured throughputnot enough data114 tok/s via tinfoil

Recent route uptime range100.00%0.00% to 100.00%

Modes chat chat

OpenAI GPT OSS routes

Overview1 Credits routes

Google: Gemma 4 31B routes

Overview13 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

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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="cerebras/gpt-oss-120b",
    messages=messages,
)

Questions

Which should I use, OpenAI GPT OSS or Google: Gemma 4 31B?

Is OpenAI GPT OSS or Google: Gemma 4 31B cheaper?

The current cheapest TrustedRouter route is $1.1605/1M for OpenAI GPT OSS and $0.4642/1M for Google: Gemma 4 31B. The comparison uses current catalog prices and updates as provider pricing changes.

Is OpenAI GPT OSS or Google: Gemma 4 31B faster?

Current measured p50 time to first token is 782 ms for OpenAI GPT OSS and 1094 ms for Google: Gemma 4 31B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test OpenAI GPT OSS and Google: Gemma 4 31B with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between cerebras/gpt-oss-120b and google/gemma-4-31b-it. This makes side-by-side evals possible without maintaining two provider integrations.