Function codexBaseModelId

packages/arctic/src/provider/pricing.ts:122–134

(modelId: string)

  }

  function codexBaseModelId(modelId: string): string | null {
    if (!modelId.includes("codex")) {
      return null
    }

    const withoutEffort = modelId.replace(/-codex(-max)?-(low|medium|high|xhigh)$/i, "-codex$1")
    const stripped = withoutEffort.replace(/-codex(-max)?$/i, "")
    if (!stripped || stripped === modelId) {
      return null
    }

    return stripped
  }

  /**
   * Normalize model ID for matching (handle version number formats)