feat: add depth>1 recursive subcalls with limits and cost tracking#84
Merged
alexzhang13 merged 13 commits intoalexzhang13:mainfrom Feb 18, 2026
Merged
feat: add depth>1 recursive subcalls with limits and cost tracking#84alexzhang13 merged 13 commits intoalexzhang13:mainfrom
alexzhang13 merged 13 commits intoalexzhang13:mainfrom
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- Add max_budget parameter to RLM (in USD) - Add BudgetExceededError exception - Track cumulative cost across iterations - Propagate remaining budget to child RLMs - Add print_budget_exceeded to VerbosePrinter - Export BudgetExceededError from rlm module Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This was referenced Feb 11, 2026
alexzhang13
approved these changes
Feb 18, 2026
alexzhang13
approved these changes
Feb 18, 2026
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Summary
This PR adds full depth>1 recursive subcall support for RLM, enabling nested RLM calls when code inside the REPL invokes
llm_query().Features
_subcall()spawns child RLM instances with incremented depth_subcall()returnsRLMChatCompletion(aligns with LM completion struct)max_budgetparameter withBudgetExceededError, OpenRouter cost extractionmax_timeout,max_tokens,max_errorswith corresponding exceptionson_subcall_start,on_subcall_complete,on_iteration_start,on_iteration_completeFiles Changed
rlm/core/rlm.py- Core subcall logic, limits, callbacksrlm/core/types.py- UsageSummary cost aggregationrlm/environments/local_repl.py- subcall_fn integrationrlm/clients/openai.py- OpenRouter cost extractionrlm/logger/verbose.py- Limit exceeded displaydocs/getting-started.md,docs/api/rlm.md- DocumentationTests
google/gemini-3-flash-previewvia OpenRouterBreaking Changes
None - all existing APIs remain compatible.
🤖 Generated with Claude Code