alt Hacker NewsIt seems that extra-usage is required to use the 1M context window for Sonnet 4.6. This differs from Sonnet 4.5, which allows usage of the 1M context window with a Max plan.
```
/model claude-sonnet-4-6[1m]
⎿ API error: 429 {"type":"error","error": {"type":"rate_limit_error","message":"Extra usage is required for long context requests."},"request_id":"[redacted]"}
```
Replies
8note • yesterday at 10:06 PM
think that just needs extra usage enabled? or actually using extra usage?
i cant believe that havent updated their code yet to be able to handle the 1M context on subscription auth
Anthropic's recent gift of $50 extra usage has demonstrated that it's extremely easy to burn extra usage very quickly. It wouldn't surprise me if this change is more of a business decision than a technical one.