Bring your own key

Claude Sonnet 4.5 20250929 Coding vs Google: Gemma 4 31B

One key routes both. Starter credit covers your first Gemma 4 31B requests, while Claude Sonnet 4.5 20250929 Coding 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: Gemma 4 31B has more Credits provider routes and the larger context window. A published Credits price comparison is not available for both models. There is not enough recent probe data to compare speed.

$18.99/1MClaude Sonnet 4.5 20250929 Coding cheapest route

$0.45365/1MGoogle: Gemma 4 31B cheapest route

not enough dataClaude Sonnet 4.5 20250929 Coding fastest measured p50 TTFT

665 msGoogle: Gemma 4 31B fastest measured p50 TTFT via crusoe

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.

Claude Sonnet 4.5 20250929 CodingGoogle: Gemma 4 31B

Model idanthropic/claude-sonnet-4.5-20250929-codinggoogle/gemma-4-31b-it

Publisher Anthropic Google AI Studio

AI IQ — IQ 101#116

Context200,000 tokens262,144 tokens

Credits provider routes016

Cheapest route$18.99/1M$0.45365/1M

Cached inputNot published$0.03798/1M to $0.26375/1M

Privacy postureprovider posture varieshas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough data665 ms via crusoe

Highest measured throughputnot enough data75 tok/s via greenference

Recent route uptime rangenot enough data0.00% to 100.00%

Modes chat messages chat

Claude Sonnet 4.5 20250929 Coding routes

Overview0 Credits routes

Google: Gemma 4 31B routes

Overview16 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="anthropic/claude-sonnet-4.5-20250929-coding",
    messages=messages,
)

Questions

Which should I use, Claude Sonnet 4.5 20250929 Coding or Google: Gemma 4 31B?

Is Claude Sonnet 4.5 20250929 Coding or Google: Gemma 4 31B cheaper?

The current cheapest TrustedRouter route is $18.99/1M for Claude Sonnet 4.5 20250929 Coding and $0.45365/1M for Google: Gemma 4 31B. The comparison uses current catalog prices and updates as provider pricing changes.

Is Claude Sonnet 4.5 20250929 Coding or Google: Gemma 4 31B faster?

Current measured p50 time to first token is not enough data for Claude Sonnet 4.5 20250929 Coding and 665 ms for Google: Gemma 4 31B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Claude Sonnet 4.5 20250929 Coding and Google: Gemma 4 31B with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between anthropic/claude-sonnet-4.5-20250929-coding and google/gemma-4-31b-it. This makes side-by-side evals possible without maintaining two provider integrations.