Confirm identity and visibility first
Use shape, Base URL, model list, and lightweight chat probe together. Compatible OpenAI protocol alone is not identity.
- Model ID: google/gemma-4-31b-it:free
- Provider: Google
- Check dimension: callable model check
Model key route
Google: Gemma 4 31B (free) | callable model check
Google: Gemma 4 31B (free) starts by confirming whether the key can actually see and call model ID google/gemma-4-31b-it:free on the Google route. Prefix or compatible protocol is not enough.
Provider
Google
32 models in catalog
Context
262,144
global route
Input price
$0.000
USD / 1M tokens
Output price
$0.000
USD / 1M tokens
Key route summary
Model ID
google/gemma-4-31b-it:free
Provider
Google
Check dimension
callable-models
Read-only check. Detection data burns after 5 minutes.
The result shows observed facts only and never stores the full key.
Then split capability and limits
The result shows observed facts only and never stores the full key.
- Parameter surface: supports include_reasoning
- Parameter surface: supports max_tokens
- Parameter surface: supports reasoning
- Parameter surface: supports response_format
- Parameter surface: supports seed
- Context: 262,144
- Input price: $0.000 · Output price: $0.000
Finish with operator action
Do not end at success or failure. Return the next action: fill price, add metadata, change route, monitor balance, or do not list yet.
- Read-only check. Detection data burns after 5 minutes.
- global route
- callable-models