Model limit probe

Anthropic: Claude Haiku 4.5 | region and IP limit

Anthropic: Claude Haiku 4.5 region and IP limit decides whether a key can enter a production route. TestKey reads model ID anthropic/claude-haiku-4.5, provider Anthropic, catalog context, real-key headers, 429 errors, and region signals together.

Model

anthropic/claude-haiku-4.5

Anthropic: Claude Haiku 4.5

Provider

Anthropic

13 models in catalog

Limit dimension

region and IP limit

region-ip

Visible signal

catalog plus runtime

Context window: 200,000

Limit matrix summary

Model

anthropic/claude-haiku-4.5

Limit dimension

region-ip

Visible signal

catalog plus runtime

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

Why this limit matters

Anthropic: Claude Haiku 4.5 region and IP limit decides whether a key can enter a production route. TestKey reads model ID anthropic/claude-haiku-4.5, provider Anthropic, catalog context, real-key headers, 429 errors, and region signals together.

Model: anthropic/claude-haiku-4.5
Provider: Anthropic
Limit dimension: region and IP limit

How to prove it

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

Start with the visible signal: catalog plus runtime, then read headers and error bodies with read-only requests.
region and IP limit must bind model ID anthropic/claude-haiku-4.5; limits from another model at the same provider cannot be reused.
region and IP limit · catalog plus runtime · 200,000

Operator action

Anthropic: Claude Haiku 4.5 region and IP 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: catalog plus runtime
Context window: 200,000

Open key checker

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

Open models

Anthropic: Claude Haiku 4.5

Open providers

Anthropic