Google (native)reference

generateContent - Google's own protocol · serves gemma-4-31b-it as gemma-4-31b · probed live 2026-08-25 · back to the matrix

This is Google's native API. Google's OpenAI-compat shim is graded separately as its own provider: google-openai.

Inference

A − 1 high − 0 medium severity, per the ladder; flags below.

Billing

✓

Reported usage consistent with bytes on the wire.

Caching

Fail

A repeat 20K-token submission waits out the free tier's per-minute token quota (~46s of 429 retries) before it is served - and gemma-4 has no paid tier, so there is no quota to buy. Whether context is reused is unobservable behind the wait. Speed numbers →

Flags

high pricing Google sells no paid tier for gemma-4: every request is used to improve their products, and quota gates agentic work
Google's own price sheet lists gemma-4's paid tier as "Not available" on every line - the free tier is the only tier - and carries the row "Used to improve our products: Yes" with no paid alternative. The Gemini API...

Every flag links to its finding - evidence, repro, and disclosure records live there; the deepest findings have full writeup pages.