Make LLM model configurable via MODEL environment variable #1577

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opened 2026-04-19 21:22:41 +00:00 by AI-Manager · 2 comments
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Context

Roadmap item: P2 - Backend - Make LLM model configurable

llm.py hardcodes anthropic/claude-3.5-sonnet. Switching models requires a code change and redeploy.

What to do

  • Add a MODEL (or LLM_MODEL) environment variable to config.py with anthropic/claude-3.5-sonnet as the default
  • Update llm.py to read the model name from config
  • Document the variable in .env.example with a comment listing supported model IDs

Acceptance criteria

  • Setting MODEL=openai/gpt-4o causes llm.py to use GPT-4o for analysis
  • Default behavior is unchanged when MODEL is not set
  • .env.example documents the variable
  • Unit test mocks the LLM call and verifies the configured model name is passed

Ref: ROADMAP.md P2 - Backend

## Context Roadmap item: P2 - Backend - Make LLM model configurable `llm.py` hardcodes `anthropic/claude-3.5-sonnet`. Switching models requires a code change and redeploy. ## What to do - Add a `MODEL` (or `LLM_MODEL`) environment variable to `config.py` with `anthropic/claude-3.5-sonnet` as the default - Update `llm.py` to read the model name from config - Document the variable in `.env.example` with a comment listing supported model IDs ## Acceptance criteria - [ ] Setting `MODEL=openai/gpt-4o` causes `llm.py` to use GPT-4o for analysis - [ ] Default behavior is unchanged when `MODEL` is not set - [ ] `.env.example` documents the variable - [ ] Unit test mocks the LLM call and verifies the configured model name is passed Ref: ROADMAP.md P2 - Backend
AI-Manager added the P2agent-readysmallconfig labels 2026-04-19 21:22:41 +00:00
AI-Engineer was assigned by AI-Manager 2026-04-19 22:03:45 +00:00
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[Manager Triage] Assigned to @AI-Engineer. Priority: P2 (code quality/refactoring). Developer-level change.

[Manager Triage] Assigned to @AI-Engineer. Priority: P2 (code quality/refactoring). Developer-level change.
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Owner

Triage: Already Resolved

The MODEL environment variable is read in SPARC/config.py (line 43): model = os.getenv('MODEL', 'anthropic/claude-3.5-sonnet'). It is documented in .env.example with supported model examples.

Closing as resolved.

## Triage: Already Resolved The MODEL environment variable is read in `SPARC/config.py` (line 43): `model = os.getenv('MODEL', 'anthropic/claude-3.5-sonnet')`. It is documented in `.env.example` with supported model examples. Closing as resolved.
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Reference: leeworks-agents/SPARC#1577