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Swap the GPT-4.1 client for Anthropic Claude (defaulting to claude-sonnet-4-6) across all orchestration and structured-output call sites. Uses tool_use for structured outputs (guided choice and guided JSON) since Anthropic lacks json_schema response_format. vLLM backend and langfuse OpenAI wrapper are unchanged. - Add anthropic dependency to pyproject.toml - Replace gpt_model/gpt_model_name with claude_model/claude_model_name - Adapt completions_guided_choice to Anthropic tool_use - Adapt gpt_completions_guided_json → claude_completions_guided_json - Update _call_llm_with_tools in vis_generate.py for Anthropic format - Switch langfuse tracing to @observe() decorator for Claude methods - Add ANTHROPIC_API_KEY and CLAUDE_MODEL_NAME env vars Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
claude-sonnet-4-6)CLAUDE_MODEL_NAMEenv variableChanges
pyproject.toml— addanthropicdependencysrc/udi_agent.py— replace OpenAI GPT client with Anthropic, usetool_usefor structured outputs, add@observe()langfuse tracingsrc/udi_api.py— loadCLAUDE_MODEL_NAMEenv var, update agent initsrc/vis_generate.py— convert_call_llm_with_toolsto Anthropic tool format.env.template— replaceOPEN_API_KEYwithANTHROPIC_API_KEY, addCLAUDE_MODEL_NAMEREADME.md— update env var documentationSpec
From
.claude/todo/replace-openai-with-anthropic-claude.mdTest plan
ANTHROPIC_API_KEYand start the API serverPOST /v1/yac/completionsreturns correct orchestrator choicespython src/benchmark.py --path data/benchmark.json --limit 2to validate against benchmark🤖 Generated with Claude Code