OpenAI compatible API · Attested · Public status

Google: Gemma 4 31B vs GLM 5.3 Fast on Fireworks

Google: Gemma 4 31B vs GLM 5.3 Fast on Fireworks: 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 GLM 5.3 Fast on Fireworks has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

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

$9.1785/1MGLM 5.3 Fast on Fireworks cheapest route

979 msGoogle: Gemma 4 31B fastest measured p50 TTFT via tinfoil

not enough dataGLM 5.3 Fast on Fireworks 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 31BGLM 5.3 Fast on Fireworks

Model idgoogle/gemma-4-31b-itz-ai/glm-5.3-fast

Publisher Google AI Studio Z.AI

AI IQ IQ 103#80 —

Context262,144 tokens1,048,576 tokens

Credits provider routes142

Cheapest route$0.4642/1M$9.1785/1M

Cached input$0.03798/1M to $0.211/1M$0.22155/1M to $0.41145/1M

Privacy posturehas provider E2EE routehas ZDR route

Fastest measured p50 TTFT979 ms via tinfoilnot enough data

Highest measured throughput271 tok/s via lightningnot enough data

Recent route uptime range0.00% to 100.00%100.00%

Modes chat chat

Google: Gemma 4 31B routes

Overview14 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

GLM 5.3 Fast on Fireworks routes

Overview2 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-4-31b-it",
    messages=messages,
)

Questions

Which should I use, Google: Gemma 4 31B or GLM 5.3 Fast on Fireworks?

Is Google: Gemma 4 31B or GLM 5.3 Fast on Fireworks cheaper?

The current cheapest TrustedRouter route is $0.4642/1M for Google: Gemma 4 31B and $9.1785/1M for GLM 5.3 Fast on Fireworks. The comparison uses current catalog prices and updates as provider pricing changes.

Is Google: Gemma 4 31B or GLM 5.3 Fast on Fireworks faster?

Current measured p50 time to first token is 979 ms for Google: Gemma 4 31B and not enough data for GLM 5.3 Fast on Fireworks. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Google: Gemma 4 31B and GLM 5.3 Fast on Fireworks 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-4-31b-it and z-ai/glm-5.3-fast. This makes side-by-side evals possible without maintaining two provider integrations.