Key error diagnosis

Mistral AI | model permission denied

Mistral AI returning 403 / model permission denied should not be judged from the message alone. Cross-check key shape, Base URL, balance, model permission, region/IP, and visible model list.

Provider

Mistral AI

global provider route

Error type

model permission denied

high

Status code

403

permission-denied-model

Sample models

Codestral 2508 · Devstral 2 2512 · Devstral Medium

Error route summary

Error type

permission-denied-model

high

Provider

Mistral AI

Status code

403

Read-only check. Detection data burns after 5 minutes.

What this error usually means

Mistral AI returning 403 / model permission denied should not be judged from the message alone. Cross-check key shape, Base URL, balance, model permission, region/IP, and visible model list.

Provider: Mistral AI
Error type: model permission denied
Status code: 403

How to prove it during checking

Read-only check. Detection data burns after 5 minutes.

Run read-only identity first: confirm whether the key really belongs to Mistral AI, not just a compatible protocol.
Then list models or run a lightweight probe: check whether models like Codestral 2508 · Devstral 2 2512 · Devstral Medium are visible and return stable evidence.
Finally record 403, error body, latency, egress IP, and reproducibility to separate balance, permission, route, or upstream issues.

Next action

model permission denied should not only show failed. The console should return the next move: refill balance, change Base URL, switch model, add permission, change egress IP, hold listing, or monitor.

Read-only check. Detection data burns after 5 minutes.
global provider route
Codestral 2508 · Devstral 2 2512 · Devstral Medium

Open key checker

Read-only check. Detection data burns after 5 minutes.

Open providers

Mistral AI

Open models

Codestral 2508 · Devstral 2 2512 · Devstral Medium