Token Economics

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Kimi K3 Benchmarks vs Claude Fable 5 and GPT-5.6 Sol

Moonshot's model card scores Kimi K3 against Claude Fable 5 and GPT-5.6 Sol across 45 benchmarks. Some rows go to K3 and some to the others, with margins running from fifteen points down to a tenth — plus what $3/$15 per million tokens buys.

AI Systems

Kimi K3 適合什麼任務？跟 Fable 5、GPT-5.6 Sol 的對照表怎麼看

Moonshot 七月發表的開源模型 Kimi K3，README 附了一張跟 Fable 5、GPT-5.6 Sol 的對照表。這篇挑六項分數來看，也整理了價格與輸出速度，談哪些任務可以交給它。

AI Systems

Tokenization 到底佔多少成本？從 0.1% 到 99% 的落差是怎麼來的

同一串討論底下，有人量到 tokenization 不到總推論時間的 0.1%，也有人量到九成以上的 CPU 時間都花在這裡。這篇看這個落差怎麼來的：算的窗口不同、模型大小不同，還有一些工作根本沒有模型在裡面。

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Anthropic Reverses Course: Claude Fable 5 Stays in Subscription Plans

On July 18, 2026, Anthropic reversed its month-long plan to meter Claude Fable 5 and is keeping it in subscriptions permanently. Here is what changes on July 20 for Max, Team Premium, Pro, and Team Standard — and why a run of competitor launches made the reversal hard to avoid.

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Claude Fable 5 要留在訂閱裡了：從限時免費到永久包含，一個多月的來回

Anthropic 原本要在免費期後把 Claude Fable 5 從訂閱移除、改走計量付費，一個多月來截止日一延再延。7/18 方向翻轉：7/20 起把 Fable 5 併回 Max 與 Team Premium 訂閱、永久包含。這篇整理這段來回的時間軸、新的訂閱條款，還有 GPT-5.6 Sol 跟 Kimi K3 這波競爭扮演的角色。

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The Same GLM 5.2 Has Different Prices Across Providers

GLM 5.2 shipped with open weights under an MIT license, which generally permits third parties to host and commercialize inference. As of writing, OpenRouter lists twenty-five providers offering it, at input prices from $0.93 to $3.00 per million tokens.

LLM

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The Same GLM 5.2 Has Different Prices Across Providers

Agent

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Kimi K3 Benchmarks vs Claude Fable 5 and GPT-5.6 Sol

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Kimi K3 適合什麼任務？跟 Fable 5、GPT-5.6 Sol 的對照表怎麼看

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OpenRouter 上，美國公司使用中國 AI 模型的 token 佔比升到每週 30% 以上

據 CNBC 報導，美國公司經 OpenRouter 用在中國 AI 模型上的 token 佔比，從前十二個月平均 11% 升到 2 月 8 日以來每週 30% 以上、最高 46%。受訪者明確指出價格正在推動任務分流；六月的模型下架與解禁，也讓取用穩定性成為要一起看的風險。

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What Are GPT-5.6's Sol, Terra, and Luna?

OpenAI shipped GPT-5.6 as Sol, Terra, and Luna on July 9, 2026, and quietly ended the dedicated Codex checkpoint. What replaced it is a reasoning-effort dial whose top notch spawns subagents. This post lays out the three models, the six effort levels, and what the independent benchmarks measured.

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GPT-5.6 的 Sol、Terra、Luna 是什麼

GPT-5.6 在 2026 年 7 月 9 日全面上線，分成 Sol、Terra、Luna 三階，而這一代的 Codex 沒有專用模型。專用 checkpoint 換成一格叫 ultra 的 reasoning effort，官方說它會叫 subagent 出來把大任務拆開做。這篇整理三顆模型怎麼分、六段 reasoning effort 是什麼，以及幾份獨立評測量到的數字。

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Claude Fable 5: First Public Mythos-Class Model, One Day In

Anthropic released Claude Fable 5 on June 9 — the first publicly available Mythos-class model, one tier above Opus. What it is, what it costs, the June 22 deadline on the subscription window, and what changed when I pointed three real projects at it for a day.

Governance

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What Are GPT-5.6's Sol, Terra, and Luna?

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GPT-5.6 的 Sol、Terra、Luna 是什麼

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Claude Fable 5: First Public Mythos-Class Model, One Day In

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Claude Fable 5 是什麼？第一個公開的 Mythos 級模型，加上我第一天的使用心得

Anthropic 6/9 釋出第一個公開的 Mythos 級模型 Claude Fable 5。這篇整理它跟 Opus 4.8 的關係、定價、6/22 截止的訂閱免費期，加上第一天把三個專案丟給它跑的心得：它對治理流程的遵守程度是真的，token 也是真的兇。

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Token 成本的真相：分級，但別分太細

把 token 當設計變數而非月底帳單：太粗、沒在管的任務成本沒有上限，但分太細也不會更省。快取讓過度切分反而更貴，重點是找到對的顆粒度。

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Token Economics of AI Agent Governance

Governance has a bounded, knowable token cost; ungoverned agent work tends not to. And task granularity has its own price: caching can make over-decomposition cost more than it looks.

Prompt Engineering

How Many Tokens Is Your Prompt Actually Using?

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Benchmark

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Agentic OS

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Token 成本的真相：分級，但別分太細

把 token 當設計變數而非月底帳單：太粗、沒在管的任務成本沒有上限，但分太細也不會更省。快取讓過度切分反而更貴，重點是找到對的顆粒度。

AI Systems 看中文版

Token Economics of AI Agent Governance

Governance has a bounded, knowable token cost; ungoverned agent work tends not to. And task granularity has its own price: caching can make over-decomposition cost more than it looks.