OpenAI compatible API · Attested · Public status

Google: Gemini 3.1 Pro Preview vs GLM 5.2 Fast on Fireworks

Compare Google: Gemini 3.1 Pro Preview and GLM 5.2 Fast on Fireworks 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

GLM 5.2 Fast on Fireworks has the lower cheapest prompt+completion route on TrustedRouter. Google: Gemini 3.1 Pro Preview has more provider fallback routes, while Google: Gemini 3.1 Pro Preview has the larger context window. Current TrustedRouter probes show GLM 5.2 Fast on Fireworks with the lower p50 TTFT.

$14.7/1MGoogle: Gemini 3.1 Pro Preview cheapest route

$9.135/1MGLM 5.2 Fast on Fireworks cheapest route

3097 msGoogle: Gemini 3.1 Pro Preview measured p50 TTFT

730 msGLM 5.2 Fast on Fireworks measured p50 TTFT

Google: Gemini 3.1 Pro PreviewGLM 5.2 Fast on Fireworks

Model idgoogle/gemini-3.1-pro-previewz-ai/glm-5.2-fast

PublisherGoogle AI StudioZ.AI

AI IQ IQ 127#9 —

Context1,048,576 tokens1,048,576 tokens

Provider routes76

Cheapest route$14.7/1M$9.135/1M

Privacy posturehas ZDR routeprovider posture varies

Modes chat chat

Google: Gemini 3.1 Pro Preview routes

Overview7 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

GLM 5.2 Fast on Fireworks routes

Overview6 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/gemini-3.1-pro-preview",
    messages=messages,
)