feat: Add support for grok-4-fast model via LiteLLM proxy #154
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Remove max_tokens and reasoning_effort parameters from proxy service to improve compatibility with grok-4-fast model through OpenRouter. These model-specific parameters were causing issues with the new model.
- Add proxy.model-info.ts to dynamically fetch context windows from OpenRouter API - Update tasks.controller.ts to use async extractContextWindow function - Replace hardcoded 128K context window with dynamic values from OpenRouter - Implement caching layer (1-hour TTL) to minimize API calls - Fix Dockerfile to properly handle Prisma in Alpine Linux Benefits: - Grok 4 Fast now correctly reports 2M token context window - Claude Sonnet 4.5 reports 1M tokens instead of 200K - Gemini 2.5 models report 1048576 tokens - All models automatically get accurate, up-to-date context windows - Improves agent performance by preventing premature summarization Fixes context window inaccuracies by prioritizing: 1. LiteLLM model_info (when available) 2. OpenRouter API context_length (when LiteLLM returns null) 3. Default fallback (128K) Related to Grok 4 Fast support
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Description
This PR adds support for the new
grok-4-fastmodel via OpenRouter through the bytebot-llm-proxy (LiteLLM).Changes
max_tokensparameter from proxy service Chat Completion requestsreasoning_effortparameter from proxy service Chat Completion requestsThese model-specific parameters were causing compatibility issues with the grok-4-fast model. By removing them, the proxy service now works seamlessly with grok-4-fast and other models that don't support these parameters, while LiteLLM handles model-specific parameter mapping automatically.
Testing