OpenAI compatible API · Attested · Public status
Google: Gemma 4 26B A4B vs OpenAI: GPT-5.6 Terra
Compare Google: Gemma 4 26B A4B and OpenAI: GPT-5.6 Terra by providers, context, price, and TrustedRouter route support.
Onebase URL to migrate
100sof models and routes
Noneprompt logs by default
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
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. Current TrustedRouter probes show OpenAI: GPT-5.6 Terra with the lower p50 TTFT.
$0.4305/1MGoogle: Gemma 4 26B A4B cheapest route
$18.375/1MOpenAI: GPT-5.6 Terra cheapest route
5080 msGoogle: Gemma 4 26B A4B measured p50 TTFT
1837 msOpenAI: GPT-5.6 Terra measured p50 TTFT
Google: Gemma 4 26B A4B OpenAI: GPT-5.6 Terra
Model id
google/gemma-4-26b-a4b-itopenai/gpt-5.6-terra
PublisherGoogle AI StudioOpenAI
Context262,144 tokens1,050,000 tokens
Provider routes116
Cheapest route$0.4305/1M$18.375/1M
Privacy posturehas ZDR routeprovider posture varies
Modes
chat
chat
Google: Gemma 4 26B A4B 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-4-26b-a4b-it",
messages=messages,
)