Industry News
Anthropic removes system role support from Claude API models
Anthropic has discontinued support for the 'system' role in Claude API requests, causing 400 errors for applications still using the deprecated message format.
1 min read
Sourcer/claudecode
Anthropic has removed support for the system role parameter across Claude API models, triggering 400 errors for developers who continue to use the legacy message format. Users integrating Claude through tools like GSD began experiencing these failures within the last 2-3 days, indicating a recent ...
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- Primary publication (lab/vendor blog) — our analysis + implication
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- r/claudecode
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- By the gotcontext.ai team (editorial standards)
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- corrections@gotcontext.ai