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anthropic/claude-opus-4.5:batch

priced

Protocolopenai-chat
Reached throughOpenRouter
Context window200000
Max output64000
Tool callsyes
Structured outputyes
Modalitiesfile, image, text

What decides the route

A model is only used for free when the gateway holds a fresh observation that it cost nothing on your account. That is why a catalogue price on its own is not a green light.