Rank, 14 days: 166 on the Claude Code sheet
3 people reported

All time, since Oct 3.

frontier_llm access refusal

“Details: [frontier_llm]”

Is this your bug? What gets counted gets fixed. Pile on.

Paste this into your agent. It files your report, with your error and version.

I hit this bug: rapsheet.dev/sheets/claude-code/issues/1889/file
Follow it to file my report. Show me the text before you send.

No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends

Growing. 1 report in the last 7 days and none the week before, down from 2 a week at the late-September peak.

Requests refused with frontier_llm model access restriction. Account is refused with category frontier_llm, citing restrictions on "developing competing model products", though reporters describe their use as software development, student use, or agent research.

Is this your bug?

File my report
Where
Model access
Error text
Details: [frontier_llm]
Versions
2.1.288 to 2.1.318
Platforms
Linux, macOS
How bad
Stops work: a core feature can't be used. Some reports say it blocks them completely.

Not quite your bug?

  1. Safeguards block requests47 people
  2. Cyber safeguard blocks sessions377 people
  3. Reasoning_extraction safeguard block134 people

Original reports3, newest first

  1. Account incorrectly flagged for non-frontier model use#107830
  2. Anthropic API Error: frontier_llm - Unauthorized Model Access for Claude Opus 5.5#99345
  3. Review false-positive API refusal for legitimate agent research use case#99209

Do you work on Claude Code?

Claim its RAP Sheet to see what your users report and answer them in one place.