requiresBudgetThinking (llm/anthropic-models.ts)

Utility functions determining if an Anthropic Claude model requires budget thinking or accepts sampling params.

// Source: https://github.com/open-multi-agent/open-multi-agent | License: MIT | Copyright Shenzhen YuanASI Technology Co., Ltd. and open-multi-agent contributors
// Provided via justclaw.it.com; keep this notice with the code.
/**
 * @fileoverview Claude model-generation checks shared by the Anthropic adapter
 * and framework-internal calls. Kept free of the SDK import so callers outside
 * the adapter do not load it.
 *
 * Both lists are closed: they name model generations that will not grow, so a
 * model ID they do not recognise is treated as current.
 */

/** Models from before adaptive thinking (Sonnet 3.7 through the 4.5 generation). */
const BUDGET_ONLY_THINKING_MODEL =
  /^claude-(?:3-7-sonnet|sonnet-4(?:-0|-5)?|opus-4(?:-0|-1|-5)?|haiku-4-5)(?:-\d{8}|-latest)?$/

/** Models up to

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