我的征尘是星辰大海。。。
The dirt and dust from my pilgrimage forms oceans of stars...
-------当记忆的篇章变得零碎,当追忆的图片变得模糊,我们只能求助于数字存储的永恒的回忆
作者:黄教授
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大模型推理何时能做到无招胜有招
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何时能做到无招胜有招?大模型推理能力的现状、矛盾与理想。 你用武侠练功比喻大模型的发展路径,精准戳中了核心。 当前大模型靠数据为案例机械模仿推理形式,就像徒弟重复招式,却未悟透武功本质。 而我们期待的无招胜有招,是模型能像令狐冲那样抽象出通用逻辑,自主应对所有问题。 要理解这之间的差距,需要从现状、矛盾、难点和当前探索一步步拆解。 一、当前大模型的练功模式,数据路线为何只能照猫画虎?现在行业主流的数据路线,本质是给模型喂武功秘籍的招式案例,让它记住什么问题对应什么解法步骤。 核心是用数据覆盖推理场景,而非让模型理解推理逻辑。 具体有两个关键表现。 一, SFT,监督微调。 手把手教招式模板,就像师傅给徒弟写好,应对剑客用 XX 招,应对刀客用 YY 招的清单。 我们给模型为问题加思维链步骤加答案的样本。 比如算数学题时,样本会标注第一步列公式,第二步带入数值。 第三步计算结果。 模型学到的只是条件反射式的步骤复用,看到鸡兔同笼,就复现假设全是鸡的流程。 但他不懂假设法的本质是消元。 换个变形题,比如鸡鸭同笼,加多一个笼子。 就可能卡壳,因为他没理解逻辑,只是在匹配题目关键词和步骤模板。 二,数据质量比数量堆密集厚度,而非物密集本质。 很多公司追求更高质量的数据。 比如人工筛选学术论文的推理过程,标注精准的逻辑链案例,本质是把招式案例编的更全更细。 但这就像徒弟把天下所有兵器的招式都背下来,却没悟到所有招式的核心都是攻防节奏。 数据能覆盖已知场景,比如常见数学题、固定逻辑题。 但遇到没见过的新问题,比如用户自定义的复杂业务分析、跨领域推理,就会暴露只会模仿不会变通的短板,甚至出现生搬硬套相似案例的幻觉。 比如把地球绕太阳转说成地球绕月球转,因为他在错误数据里见过类似表述,却不会用万有引力逻辑呀。 验证。 二,核心矛盾,统计关联不等于逻辑理解。 Transformer 的先天局限大模型看似能输出思维链,单底层机制和人类推理完全不同。 它靠的是统计数据中的序列关联,而非逻辑推导。 这也是推理能力薄弱的根源。 一,输出思维链不等于真思考。 模型输出第一步、第二步,不是因为它在一步步推导,而是因为它在训练数据里学到人类回答复杂问题时,常常用分布格式。 就像徒弟背会应对刀客要先躲后刺,却不知道躲是为了避开攻击范围,刺是为了打要害。 比如模型分析,为什么某公司利润下降,可能会写,第一步看营收,第二步看成本。 但他不会主动验证营收下降是否真的影响利润,成本上升是否有其他抵消因素。 因为它只是在模仿分析格式,没有逻辑自洽的意识。 二、Transformer 架构,擅长抓关联,不擅长抽逻辑。 当前大模型的核心是 Transformer 架构,它的优势是捕捉序列中的依赖关系,比如因为所以。 的句式关联,问题答案的配对关系。 但短板是无法抽象符号逻辑。 比如面对三段论,所有 A 是 B,所有 B 是 C,所有 A 是 C。 模型能记住这种句式的结论通常是 A 是 C。 但他不会理解集合包含的逻辑本质。 如果把表述换成,A 属于 B,B 属于 C,A 是否属于 C?模型就可能出错,因为他没掌握逻辑规则,只是在匹配句式模式。 三,理想中的开窍,从未案例到教逻辑,难在哪?我们期待的模型开窍,是让它从统计关联升级到符号逻辑理解,像令狐冲那样忘掉招式,悟透本质。 但目前行业还没找到明确路径,核心难点有两个。 一、逻辑没法像数据一样直接为人类的逻辑抽象。 比如攻防本质、数学公式本质,是隐性的,没法拆成问题、步骤、答案的结构化数据喂给模型。 AlphaGo 能自主学围棋,是因为围棋有明确规则,落子、吃子和目标围更多 多的,模型能通过自我对弈试错优化。 但通用推理没有固定规则,比如怎么判断问题需要查数据还是直接回答?怎么验证观点是否逻辑自洽?这些隐性逻辑无法被量化成训练目标,模型自然没法通过试错学会。 二、现有优化手段只是补短板,不是开悟。 你提到的训练时选 top n token 分支比较,比如 Tree of Thoughts、Self-Consistency,或是多路径推理,本质是在弥补架构缺陷。 让模型同时生成多个可能的推理路径,再选最合理的,相当于让徒弟遇到敌人时,先想三种应对招式,再选最可能能赢的。 但这依然是从模仿案例里选最优,不是自主推导逻辑。 模型不会判断为什么这个路径更合理,只是在比较哪个路径在数据里出现的概率更高。 比如选步骤 A 而非步骤 B,是因为步骤 A 在相似案例里出现过80次。 步骤 B 只出现过20次,而非步骤 A 逻辑更自洽。 四、现状,没人放弃数据路线,但都在找开窍的突破口,行业没有完全依赖数据堆量,而是在数据打底的基础上,加了一些帮模型触达逻辑的辅助手段,但效果仍有限。 一,推理测,用外部框架帮模型梳理步骤,就像给徒弟配一本战术手册。 明确遇到问题先分类,是事实题还是推理题,再决定是否调用工具,比如 RAG 查数据,最后验证结果。 比如 AutoGPT、Meta 的 ToFomer 会让模型在推理时先判断是否需要查实时数据,比如2024年某城市 GDP,再调用搜索工具获取信息,最后整合结论。 但这不是模型自己开窍,而是靠外部规则引导步骤。 一旦遇到手册外的新场景,依然会混乱。 二,训练册,从未案例到未逻辑规则。 有些团队尝试在训练数据里加入逻辑公理,比如标注三段论规则、数学定理推导过程。 或是用符号逻辑数据集,把逻辑题拆成前提、结论、验证步骤,微调模型。 但目前效果局限在特定场景,模型能学会三段论的格式,比如看到所有 A 是 B 所有 B 是 C 就输出所有 A 是 C 却没法把这种规则迁移到其他场景。 比如用三段论分析社会问题,所有公平政策都利于民生,某政策是公平政策,所以某政策利于民生。 模型就可能忽略政策落地效果等变量,直接套用格式导致结论片面。 五,最后总结,离无招胜有招还很远,但在练功中找线索,当前大模型的数据路线依然是只见树木案例,不见森林逻辑。 他能应对背过的招式,却没法像令狐冲那样悟透本质,应对所有变化。 我们现在能做的只是在为案例的同时不断试错。 用推理框架帮模型练步骤规划,用逻辑数据及帮模型处逻辑边界。 或许某天,当数据量、模型架构,比如加入专门的逻辑模块,训练方法,比如更精准的逻辑反馈机制,凑到某个临界点。 模型真能突然开窍,把所有案例抽象成通用推理逻辑。 但至少现在,无招胜有招还只是行业的理想目标,大模型离真理解、真推理还有很长的路要走。
修正脚本
何时能做到无招胜有招?大模型推理能力的现状、矛盾与理想。 你用武侠练功比喻大模型的发展路径,精准戳中了核心。 当前大模型靠数据喂案例机械模仿推理形式,就像徒弟重复招式,却未悟透武功本质。 而我们期待的无招胜有招,是模型能像令狐冲那样抽象出通用逻辑,自主应对所有问题。 要理解这之间的差距,需要从现状、矛盾、难点和当前探索一步步拆解。 一、当前大模型的练功模式,数据路线为何只能照猫画虎?现在行业主流的数据路线,本质是给模型喂武功秘籍的招式案例,让它记住什么问题对应什么解法步骤。 核心是用数据覆盖推理场景,而非让模型理解推理逻辑。 具体有两个关键表现。 一, SFT,监督微调。 手把手教招式模板,就像师傅给徒弟写好,应对剑客用 XX 招,应对刀客用 YY 招的清单。 我们给模型准备问题加思维链步骤加答案的样本。 比如算数学题时,样本会标注第一步列公式,第二步带入数值,第三步计算结果。 模型学到的只是条件反射式的步骤复用,看到鸡兔同笼,就复现假设全是鸡的流程。 但它不懂假设法的本质是消元。 换个变形题,比如鸡鸭同笼,加多一个笼子。 就可能卡壳,因为它没理解逻辑,只是在匹配题目关键词和步骤模板。 二,堆数量拼密度厚度,而非悟透本质。 很多公司追求更高质量的数据。 比如人工筛选学术论文的推理过程,标注精准的逻辑链案例,本质是把招式案例编得更全更细。 但这就像徒弟把天下所有兵器的招式都背下来,却没悟到所有招式的核心都是攻防节奏。 数据能覆盖已知场景,比如常见数学题、固定逻辑题。 但遇到没见过的新问题,比如用户自定义的复杂业务分析、跨领域推理,就会暴露只会模仿不会变通的短板,甚至出现生搬硬套相似案例的幻觉。 比如把地球绕太阳转说成地球绕月球转,因为它在错误数据里见过类似表述,却不会用万有引力逻辑验证。 二,核心矛盾,统计关联不等于逻辑理解。 Transformer 有先天局限,大模型看似能输出思维链,但底层机制和人类推理完全不同。 它靠的是统计数据中的序列关联,而非逻辑推导。 这也是推理能力薄弱的根源。 一,输出思维链不等于真思考。 模型输出第一步、第二步,不是因为它在一步步推导,而是因为它在训练数据里学到人类回答复杂问题时,常用分步格式。 就像徒弟背会应对刀客要先躲后刺,却不知道躲是为了避开攻击范围,刺是为了打要害。 比如模型分析,为什么某公司利润下降,可能会写,第一步看营收,第二步看成本。 但它不会主动验证营收下降是否真的影响利润,成本上升是否有其他抵消因素。 因为它只是在模仿分析格式,没有逻辑自洽的意识。 二、Transformer 架构,擅长抓关联,不擅长抽逻辑。 当前大模型的核心是 Transformer 架构,它的优势是捕捉序列中的依赖关系,比如因为所以的句式关联,问题答案的配对关系。 但短板是无法抽象符号逻辑。 比如面对三段论,所有 A 是 B,所有 B 是 C,所有 A 是 C。 模型能记住这种句式的结论通常是 A 是 C。 但它不会理解集合包含的逻辑本质。 如果把表述换成,A 属于 B,B 属于 C,A 是否属于 C?模型就可能出错,因为它没掌握逻辑规则,只是在匹配句式模式。 三,理想中的开窍,从喂案例到教逻辑,难在哪?我们期待的模型开窍,是让它从统计关联升级到符号逻辑理解,像令狐冲那样忘掉招式,悟透本质。 但目前行业还没找到明确路径,核心难点有两个。 一、人类的逻辑抽象没法像数据一样直接喂给模型。 比如攻防本质、数学公式本质,是隐性的,没法拆成问题、步骤、答案的结构化数据喂给模型。 AlphaGo 能自主学围棋,是因为围棋有明确规则,落子、吃子和目标围更多的地,模型能通过自我对弈试错优化。 但通用推理没有固定规则,比如怎么判断问题需要查数据还是直接回答?怎么验证观点是否逻辑自洽?这些隐性逻辑无法被量化成训练目标,模型自然没法通过试错学会。 二、现有优化手段只是补短板,不是开悟。 你提到的训练时选 top n token 分支比较,比如 Tree of Thoughts、Self-Consistency,或是多路径推理,本质是在弥补架构缺陷。 让模型同时生成多个可能的推理路径,再选最合理的,相当于让徒弟遇到敌人时,先想三种应对招式,再选最可能能赢的。 但这依然是从模仿案例里选最优,不是自主推导逻辑。 模型不会判断为什么这个路径更合理,只是在比较哪个路径在数据里出现的概率更高。 比如选步骤 A 而非步骤 B,是因为步骤 A 在相似案例里出现过80次。 步骤 B 只出现过20次,而非步骤 A 逻辑更自洽。 四、现状,没人放弃数据路线,但都在找开窍的突破口,行业没有完全依赖数据堆量,而是在数据打底的基础上,加了一些帮模型触达逻辑的辅助手段,但效果仍有限。 一,推理侧,用外部框架帮模型梳理步骤,就像给徒弟配一本战术手册。 明确遇到问题先分类,是事实题还是推理题,再决定是否调用工具,比如 RAG 查数据,最后验证结果。 比如 AutoGPT、Meta 的 ToFomer 会让模型在推理时先判断是否需要查实时数据,比如2024年某城市 GDP,再调用搜索工具获取信息,最后整合结论。 但这不是模型自己开窍,而是靠外部规则引导步骤。 一旦遇到手册外的新场景,依然会混乱。 二,训练侧,从喂案例到喂逻辑规则。 有些团队尝试在训练数据里加入逻辑公理,比如标注三段论规则、数学定理推导过程。 或是用符号逻辑数据集,把逻辑题拆成前提、结论、验证步骤,微调模型。 但目前效果局限在特定场景,模型能学会三段论的格式,比如看到所有 A 是 B 所有 B 是 C 就输出所有 A 是 C 却没法把这种规则迁移到其他场景。 比如用三段论分析社会问题,所有公平政策都利于民生,某政策是公平政策,所以某政策利于民生。 模型就可能忽略政策落地效果等变量,直接套用格式导致结论片面。 五,最后总结,离无招胜有招还很远,但在练功中找线索,当前大模型的数据路线依然是只见树木案例,不见森林逻辑。 它能应对背过的招式,却没法像令狐冲那样悟透本质,应对所有变化。 我们现在能做的只是在喂案例的同时不断试错。 用推理框架帮模型练步骤规划,用逻辑数据集帮模型梳理逻辑边界。 或许某天,当数据量、模型架构,比如加入专门的逻辑模块,训练方法,比如更精准的逻辑反馈机制,凑到某个临界点。 模型真能突然开窍,把所有案例抽象成通用推理逻辑。 但至少现在,无招胜有招还只是行业的理想目标,大模型离真理解、真推理还有很长的路要走。
英文翻译
When Can We Achieve the State of "No Technique Beats All Techniques"? The Current State, Contradictions, and Ideal of Large Model Reasoning Abilities. You use the analogy of martial arts training to describe the development path of large models, precisely hitting the core. Currently, large models rely on data-fed cases to mechanically imitate reasoning forms, much like a disciple repeating techniques without grasping the essence of martial arts. However, the "no technique beats all techniques" we expect is for the model to abstract universal logic like Linghu Chong and autonomously handle all problems. To understand the gap between the two, we need to break it down step by step from the current state, contradictions, difficulties, and ongoing explorations. **I. Current Training Mode of Large Models: Why Can the Data Route Only Imitate Superficially?** The mainstream data route in the industry essentially feeds models with martial arts technique cases, making them memorize which steps correspond to which problems. The core is to cover reasoning scenarios with data, not to let the model understand reasoning logic. This is reflected in two key aspects: 1. **SFT (Supervised Fine-Tuning): Teaching Templates Step by Step** It’s like a master giving a disciple a list: "Against a swordsman, use move XX; against a knife-wielder, use move YY." We prepare samples with the problem, chain-of-thought steps, and answer. For example, in solving a math problem, the sample will label: Step 1: write the formula, Step 2: plug in values, Step 3: calculate the result. What the model learns is just a conditioned reflex to reuse steps—seeing a "chickens and rabbits in a cage" problem, it replicates the process of "assume all are chickens." But it doesn’t understand that the essence of the assumption method is elimination. If the problem is varied, like "chickens and ducks in a cage" with an additional cage, the model may get stuck because it hasn’t understood the logic—it’s just matching keywords to step templates. 2. **Stacking Quantity and Density, Not Grasping the Essence** Many companies pursue higher-quality data, e.g., manually screening reasoning processes from academic papers or annotating precise logic chain cases. This is essentially making technique cases more complete and detailed. But it’s like a disciple memorizing all moves for every weapon in the world without realizing that the core of all moves is the rhythm of attack and defense. Data can cover known scenarios, such as common math problems or fixed logic puzzles. However, when encountering unseen new problems, like user-defined complex business analyses or cross-domain reasoning, the model exposes its weakness of imitation without adaptation, even producing hallucinations by rigidly applying similar cases. For example, saying "The Earth revolves around the Moon" because it saw a similar expression in erroneous data, without verifying it using the logic of universal gravitation. **II. Core Contradiction: Statistical Association ≠ Logical Understanding** Transformers have inherent limitations. Large models may seem to output chain-of-thought reasoning, but their underlying mechanism is completely different from human reasoning. They rely on statistical correlation in data sequences, not logical deduction. This is the root of their weak reasoning ability. 1. **Outputting Chain-of-Thought ≠ True Thinking** When a model outputs "Step 1, Step 2," it’s not because it’s reasoning step by step, but because it learned from training data that humans often use a step-by-step format when answering complex questions. It’s like a disciple memorizing "against a knife-wielder, first dodge, then thrust," without understanding that dodging is to avoid the attack range and thrusting is to hit a vital point. For example, when analyzing why a company’s profit declined, the model might write: "Step 1: look at revenue; Step 2: look at costs." But it won’t proactively verify whether the revenue decline actually affected profit, or whether cost increases were offset by other factors. Because it’s merely imitating the analysis format without any awareness of logical consistency. 2. **Transformer Architecture: Good at Capturing Correlations, Poor at Abstracting Logic** The core of current large models is the Transformer architecture. Its strength is capturing dependencies in sequences, such as "because…so…" sentence patterns or question-answer pairings. But its weakness is the inability to abstract symbolic logic. For example, given a syllogism: "All A are B, all B are C, all A are C," the model can memorize that the conclusion is usually "A is C." But it doesn’t understand the logical essence of set inclusion. If the expression changes to: "A belongs to B, B belongs to C. Does A belong to C?" the model may make mistakes because it hasn’t mastered logical rules—it’s just matching sentence patterns. **III. The Ideal "Click": From Feeding Cases to Teaching Logic—Why Is It Difficult?** The "click" we hope for is to upgrade the model from statistical correlation to symbolic logic understanding, like Linghu Chong forgetting techniques and grasping the essence. But the industry has yet to find a clear path, with two core difficulties: 1. **Human Logical Abstraction Cannot Be Directly Fed as Data** For example, the essence of attack-defense or mathematical formulas is implicit and cannot be broken down into structured data of "problem, step, answer" to feed the model. AlphaGo learned Go autonomously because Go has explicit rules (placing stones, capturing, surrounding more territory), allowing the model to improve through self-play and trial-and-error. But general reasoning has no fixed rules. How to judge if a problem requires data lookup or direct answering? How to verify if an argument is logically consistent? These implicit logics cannot be quantified into training objectives, so the model naturally cannot learn them through trial and error. 2. **Current Optimization Methods Only Patch Weaknesses, Not Trigger Enlightenment** Methods you mentioned—like selecting the top-n token branches during training (e.g., Tree of Thoughts, Self-Consistency) or multi-path reasoning—are essentially compensating for architectural flaws. They let the model generate multiple possible reasoning paths simultaneously and choose the most plausible one. This is like a disciple, when facing an enemy, first thinking of three counter-moves and then selecting the one most likely to win. But this is still choosing the best from imitated cases, not autonomously deriving logic. The model cannot judge why one path is more reasonable; it only compares which path has a higher probability in the data. For example, choosing Step A over Step B because Step A appeared 80 times in similar cases, while Step B appeared only 20 times—not because Step A is more logically consistent. **IV. Current Situation: No One Abandons the Data Route, But Everyone Seeks Breakthroughs for Enlightenment** The industry does not rely entirely on data stacking. On the foundation of data, some auxiliary methods are added to help the model touch logic, but effects remain limited. 1. **Inference Side: Using External Frameworks to Organize Steps** This is like giving the disciple a tactic manual: when encountering a problem, first classify it—is it a factual or reasoning question? Then decide whether to call tools (e.g., RAG for data retrieval), and finally verify the result. For example, AutoGPT or Meta’s ToFormer lets the model judge whether it needs real-time data (e.g., "What was the GDP of City X in 2024?"), then calls a search tool, and finally integrates the conclusion. But this is not the model’s own enlightenment; it’s guided by external rules. Once it encounters a new scenario not in the manual, it still gets confused. 2. **Training Side: From Feeding Cases to Feeding Logical Rules** Some teams try adding logical axioms to training data, such as annotating syllogism rules, mathematical theorem derivation processes, or using symbolic logic datasets that break logic problems into premises, conclusions, and verification steps to fine-tune the model. However, current effects are limited to specific scenarios. The model may learn the format of syllogisms (e.g., seeing "All A are B, all B are C" → output "All A are C"), but cannot transfer this rule to other scenarios. For example, using a syllogism to analyze a social issue: "All fair policies benefit people’s livelihoods. Policy X is a fair policy. Therefore, Policy X benefits people’s livelihoods." The model may ignore variables like policy implementation effects and directly apply the format, leading to a one-sided conclusion. **V. Final Summary: Far from "No Technique Beats All Techniques," But Searching for Clues in Training** Currently, large models’ data route still sees only the trees (cases) but not the forest (logic). They can handle memorized techniques but cannot grasp the essence like Linghu Chong to adapt to all changes. What we can do now is, while feeding cases, keep experimenting: - Use reasoning frameworks to help the model plan steps. - Use logic datasets to help the model understand logical boundaries. Perhaps one day, when data volume, model architecture (e.g., adding specialized logic modules), and training methods (e.g., more precise logic feedback mechanisms) hit a critical point, the model might suddenly "click" and abstract all cases into universal reasoning logic. But at least for now, "no technique beats all techniques" remains just an ideal goal. Large models still have a long way to go before achieving true understanding and true reasoning.
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