Key risk probe

Anthropic: Claude Sonnet 4.6 | proxy or shared key risk

Anthropic: Claude Sonnet 4.6 proxy or shared key risk decides whether a key can be connected, listed, sold, or monitored. TestKey combines model ID anthropic/claude-sonnet-4.6, provider Anthropic, pricing, region, error bodies, headers, and runtime signals.

Model

anthropic/claude-sonnet-4.6

Anthropic: Claude Sonnet 4.6

Provider

Anthropic

13 models in catalog

Risk dimension

proxy or shared key risk

proxy-shared-key

Judgement signal

real key probe required

Context window: 1,000,000

Risk profile summary

Model

anthropic/claude-sonnet-4.6

Risk dimension

proxy-shared-key

Judgement signal

real key probe required

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

Why this risk matters

Anthropic: Claude Sonnet 4.6 proxy or shared key risk decides whether a key can be connected, listed, sold, or monitored. TestKey combines model ID anthropic/claude-sonnet-4.6, provider Anthropic, pricing, region, error bodies, headers, and runtime signals.

Model: anthropic/claude-sonnet-4.6
Provider: Anthropic
Risk dimension: proxy or shared key risk

How to prove it

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

Start with judgement signal: real key probe required, then run a read-only runtime probe with a real key.
proxy or shared key risk must bind model ID anthropic/claude-sonnet-4.6; never mix results from another model at the same provider.
proxy or shared key risk · real key probe required · 1,000,000

Next operator action

Anthropic: Claude Sonnet 4.6 proxy or shared key risk should become an action: add pricing, downgrade, change route, limit resale, add monitoring, alert procurement, or send to human review.

Read-only check. Detection data burns after 5 minutes.
Judgement signal: real key probe required
Context window: 1,000,000

Open key checker

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

Open models

Anthropic: Claude Sonnet 4.6

Open providers

Anthropic