OpenAI compatible API · Attested · Public status

Google: Gemma 4 26B A4B vs OpenAI: GPT-5.6 Terra

Google: Gemma 4 26B A4B vs GPT-5.6 Terra: 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 26B A4B has the lower cheapest prompt+completion route on TrustedRouter. Google: Gemma 4 26B A4B 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.

$0.422/1MGoogle: Gemma 4 26B A4B cheapest route

$14.77/1MOpenAI: GPT-5.6 Terra cheapest route

1525 msGoogle: Gemma 4 26B A4B fastest measured p50 TTFT via siliconflow

not enough dataOpenAI: GPT-5.6 Terra fastest measured p50 TTFT

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: Gemma 4 26B A4B OpenAI: GPT-5.6 Terra

Model idgoogle/gemma-4-26b-a4b-itopenai/gpt-5.6-terra

Publisher Google AI Studio OpenAI

AI IQ IQ 96#101 IQ 132#7

Context262,144 tokens1,050,000 tokens

Credits provider routes83

Cheapest route$0.422/1M$14.77/1M

Cached input$0.03587/1M to $0.0633/1M$0.211/1M to $0.422/1M

Privacy posturehas ZDR routehas ZDR route

Fastest measured p50 TTFT1525 ms via siliconflownot enough data

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

Google: Gemma 4 26B A4B routes

Overview8 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

OpenAI: GPT-5.6 Terra routes

Overview3 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/gemma-4-26b-a4b-it",
    messages=messages,
)

Questions

Which should I use, Google: Gemma 4 26B A4B or OpenAI: GPT-5.6 Terra?

Is Google: Gemma 4 26B A4B or OpenAI: GPT-5.6 Terra cheaper?

The current cheapest TrustedRouter route is $0.422/1M for Google: Gemma 4 26B A4B and $14.77/1M for OpenAI: GPT-5.6 Terra. The comparison uses current catalog prices and updates as provider pricing changes.

Is Google: Gemma 4 26B A4B or OpenAI: GPT-5.6 Terra faster?

Current measured p50 time to first token is 1525 ms for Google: Gemma 4 26B A4B and not enough data for OpenAI: GPT-5.6 Terra. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Google: Gemma 4 26B A4B and OpenAI: GPT-5.6 Terra with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between google/gemma-4-26b-a4b-it and openai/gpt-5.6-terra. This makes side-by-side evals possible without maintaining two provider integrations.