Contextual Codex Model Routing, New Agent Types, Config v2.0
Added
- Contextual Codex Model Routing -
select_codex_model_for_context()auto-selects the best Codex model per workflow phase and task type - New Agent Types:
codex-spark(15x faster, 128K ctx),codex-reasoning(o3, 200K ctx),codex-large-context(gpt-4.1, 1M ctx) - New Agent Personas:
codebase-analyst(gpt-4.1),reasoning-analyst(o3) - Enhanced Model Support: GPT-5.3-Codex-Spark, o3, o4-mini, gpt-4.1, gpt-4.1-mini
Changed
- Updated API Pricing - Corrected gpt-5.3-codex and gpt-5.2-codex pricing
- Agent Config v2.0 -
phase_model_routing,fallback_clifields, code reviewer switched to codex-spark - Model Config Command v2.0 -
phaseandreset phasessubcommands, full model catalog - Config Schema v2.0 -
phase_routingsection, multi-model codex provider fields - Fallback Chains - Extended with codex-spark → codex → gemini chain
- Cost Awareness - Updated CLAUDE.md cost estimates for Feb 2026 pricing