Model limit probe

Anthropic: Claude Sonnet 4.6 | RPM limit

Anthropic: Claude Sonnet 4.6 RPM limit decides whether a key can enter a production route. TestKey reads model ID anthropic/claude-sonnet-4.6, provider Anthropic, catalog context, real-key headers, 429 errors, and region signals together.

Model

anthropic/claude-sonnet-4.6

Anthropic: Claude Sonnet 4.6

Provider

Anthropic

13 models in catalog

Limit dimension

RPM limit

rpm-limit

Visible signal

real key probe required

Context window: 1,000,000

Limit matrix summary

Model

anthropic/claude-sonnet-4.6

Limit dimension

rpm-limit

Visible signal

real key probe required

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

Why this limit matters

Anthropic: Claude Sonnet 4.6 RPM limit decides whether a key can enter a production route. TestKey reads model ID anthropic/claude-sonnet-4.6, provider Anthropic, catalog context, real-key headers, 429 errors, and region signals together.

Model: anthropic/claude-sonnet-4.6
Provider: Anthropic
Limit dimension: RPM limit

How to prove it

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

Start with the visible signal: real key probe required, then read headers and error bodies with read-only requests.
RPM limit must bind model ID anthropic/claude-sonnet-4.6; limits from another model at the same provider cannot be reused.
RPM limit · real key probe required · 1,000,000

Operator action

Anthropic: Claude Sonnet 4.6 RPM limit is not just a number. It should become route throttling, sale tags, headroom alerts, fallback model suggestions, and price protection.

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