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fix: strip top_p and guard temperature for Claude 4.x Anthropic models #184

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fix: strip top_p and guard temperature for Claude 4.x Anthropic models #184

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9 changes: 5 additions & 4 deletions src/pygpt_net/provider/api/anthropic/chat.py
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Original file line number Diff line number Diff line change
Expand Up @@ -102,10 +102,11 @@ def send(self, context: BridgeContext, extra: Optional[Dict[str, Any]] = None):
# Add optional fields only if provided
if system_prompt:
params["system"] = system_prompt # SDK expects string or blocks, not None
if temperature is not None:
params["temperature"] = temperature # keep as-is; upstream config controls the type
if top_p is not None:
params["top_p"] = top_p
# Claude 4.x: top_p is rejected when temperature is also present.
# Opus 4.x and claude-3-7-sonnet have deprecated temperature entirely (extended thinking).
_no_temp = ("claude-opus-4-", "claude-3-7-sonnet")
if temperature is not None and not any(model.id.startswith(p) for p in _no_temp):
params["temperature"] = temperature
if tools: # only include when non-empty list
params["tools"] = tools # must be a valid list per API
if mcp_servers:
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