Bring your own key

Google: Gemini 3.1 Flash Lite Preview vs OpenAI: gpt-oss-120b

One key routes both. Starter credit covers your first gpt-oss-120b requests, while Gemini 3.1 Flash Lite Preview runs on your own provider key. Switch by changing the model name.

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: Gemini 3.1 Flash Lite Preview has the larger context window. gpt-oss-120b has more Credits provider routes. A published Credits price comparison is not available for both models. There is not enough recent probe data to compare speed.

$1.84625/1MGoogle: Gemini 3.1 Flash Lite Preview cheapest route

$0.211/1MOpenAI: gpt-oss-120b cheapest route

not enough dataGoogle: Gemini 3.1 Flash Lite Preview fastest measured p50 TTFT

723 msOpenAI: gpt-oss-120b fastest measured p50 TTFT via tinfoil

The price comparison adds each route's rate for one million input tokens and one million output tokens; your cost depends on your input/output mix. 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.

Google: Gemini 3.1 Flash Lite PreviewOpenAI: gpt-oss-120b

Model idgoogle/gemini-3.1-flash-lite-previewopenai/gpt-oss-120b

Publisher Google AI Studio OpenAI

AI IQ IQ 104#100 IQ 98#133

Context1,048,576 tokens131,072 tokens

Credits provider routes024

Cheapest route$1.84625/1M$0.211/1M

Cached inputNot published$0.015825/1M to $0.1055/1M

Privacy postureprovider posture varieshas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough data723 ms via tinfoil

Highest measured throughputnot enough data98 tok/s via nscale

Recent route uptime rangenot enough data100.00%

Modes chat chat

Google: Gemini 3.1 Flash Lite Preview routes

Overview0 Credits routes

OpenAI: gpt-oss-120b routes

Overview24 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="google/gemini-3.1-flash-lite-preview",
    messages=messages,
)

Questions

Which should I use, Google: Gemini 3.1 Flash Lite Preview or OpenAI: gpt-oss-120b?

Is Google: Gemini 3.1 Flash Lite Preview or OpenAI: gpt-oss-120b cheaper?

The current cheapest TrustedRouter route is $1.84625/1M for Google: Gemini 3.1 Flash Lite Preview and $0.211/1M for OpenAI: gpt-oss-120b. The comparison uses current catalog prices and updates as provider pricing changes.

Is Google: Gemini 3.1 Flash Lite Preview or OpenAI: gpt-oss-120b faster?

Current measured p50 time to first token is not enough data for Google: Gemini 3.1 Flash Lite Preview and 723 ms for OpenAI: gpt-oss-120b. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Google: Gemini 3.1 Flash Lite Preview and OpenAI: gpt-oss-120b with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between google/gemini-3.1-flash-lite-preview and openai/gpt-oss-120b. This makes side-by-side evals possible without maintaining two provider integrations.