OpenAI compatible API · Attested · Public status

Google: Gemma 4 31B vs Mistral: Codestral 2508

Google: Gemma 4 31B vs Codestral 2508: 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 Google: Gemma 4 31B has the larger context window. Current TrustedRouter probes show Google: Gemma 4 31B with the lower p50 TTFT.

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

$1.266/1MMistral: Codestral 2508 cheapest route

1066 msGoogle: Gemma 4 31B fastest measured p50 TTFT via tinfoil

1268 msMistral: Codestral 2508 fastest measured p50 TTFT via mistral

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 31BMistral: Codestral 2508

Model idgoogle/gemma-4-31b-itmistralai/codestral-2508

Publisher Google AI Studio Mistral

AI IQ IQ 101#80 —

Context262,144 tokens256,000 tokens

Credits provider routes131

Cheapest route$0.4642/1M$1.266/1M

Cached input$0.02743/1M to $0.1477/1MNot published

Privacy posturehas provider E2EE routeprovider posture varies

Fastest measured p50 TTFT1066 ms via tinfoil1268 ms via mistral

Highest measured throughputnot enough datanot enough data

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

Modes chat chat

Google: Gemma 4 31B routes

Overview13 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

Mistral: Codestral 2508 routes

Overview1 Credits routes

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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 Mistral: Codestral 2508?

Is Google: Gemma 4 31B or Mistral: Codestral 2508 cheaper?

The current cheapest TrustedRouter route is $0.4642/1M for Google: Gemma 4 31B and $1.266/1M for Mistral: Codestral 2508. The comparison uses current catalog prices and updates as provider pricing changes.

Is Google: Gemma 4 31B or Mistral: Codestral 2508 faster?

Current measured p50 time to first token is 1066 ms for Google: Gemma 4 31B and 1268 ms for Mistral: Codestral 2508. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Google: Gemma 4 31B and Mistral: Codestral 2508 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 mistralai/codestral-2508. This makes side-by-side evals possible without maintaining two provider integrations.