Новости Claude Code Ultrathink no longer does anything. Thinking budget is now max by default А какая красота была! https://github.com/anthropics/claude-code/issues/18072 теперь значит так // 1. Determine thinking budget let budgetTokens = 31999; // Default: max if (process.env.MAX_THINKING_TOKENS) { budgetTokens = parseInt(process.env.MAX_THINKING_TOKENS); } // 2. Auto-enabled for supported models const thinkingEnabled = isSupportedModel(model); // Opus 4.5, Sonnet 4/4.5, Haiku 4.5, Opus 4 // 3. Passed to Anthropic API on every request await client.messages.create({ model: "claude-sonnet-4-...", messages: [...], thinking: thinkingEnabled ? { type: "enabled", budget_tokens: budgetTokens // ← 31,999 by default } : undefined }); и, кстати, можно попробовать дать максимальный бюджет для размышлений export MAX_THINKING_TOKENS=63999