# Kimi K3 喺 agent 基準上超過咗 Fable 5 > Author: Tony Lee > Published: 2026-07-15 > URL: https://tonylee.im/zh-HK/blog/kimi-k3-beats-fable-5-open-source-frontier/ > Reading time: 1 minutes > Language: zh-HK > Tags: ai, kimi, moonshot, open-source, agents, models, benchmarks ## Canonical https://tonylee.im/zh-HK/blog/kimi-k3-beats-fable-5-open-source-frontier/ ## Rollout Alternates en: https://tonylee.im/en/blog/kimi-k3-beats-fable-5-open-source-frontier/ ko: https://tonylee.im/ko/blog/kimi-k3-beats-fable-5-open-source-frontier/ ja: https://tonylee.im/ja/blog/kimi-k3-beats-fable-5-open-source-frontier/ zh-CN: https://tonylee.im/zh-CN/blog/kimi-k3-beats-fable-5-open-source-frontier/ zh-TW: https://tonylee.im/zh-TW/blog/kimi-k3-beats-fable-5-open-source-frontier/ ## Description Moonshot 開源權重巨模型以 Sonnet 5 價位打出前沿級 agent 分數，權重會喺 7 月 27 日開放。 ## Summary Kimi K3 喺 agent 基準上超過咗 Fable 5 is part of Tony Lee's ongoing coverage of AI agents, developer tools, startup strategy, and AI industry shifts. ## Outline - 唔係小眾分數 - Sonnet 級價錢，唔係前沿級價錢 - 架構唔係小改 - 自己優化 kernel - 7 月 27 日開放權重 - 可能係 DeepSeek-R1、GLM-5.2 之後第三次衝擊 ## Content Moonshot AI 發布咗 [Kimi K3](https://kimi.com/blog/kimi-k3)。喺多個 agent 基準上超過 Fable 5 同 GPT-5.6 Sol，價錢卻接近 Sonnet 5。開源權重模型坐到呢一檔，我以前未見過。 分六點睇。 ## 唔係小眾分數 Program Bench 77.8、SWE Marathon 42.0、BrowseComp 91.2、SpreadsheetBench 2 係 34.8，公開數字上領先 Fable 5。FrontierSWE 81.2，低過 Fable 5 嘅 86.6，但明顯高過 GPT-5.6 Sol 嘅 71.3。編碼同 browsing 都強，就唔係單點特化模型。 ## Sonnet 級價錢，唔係前沿級價錢 輸入大約 $3、輸出大約 $15，大概係頂級前沿標價 30%。相對早期 Kimi 加價超過 3 倍，所以唔係相對 K2 嘅免費午餐。但如果成日跑 agent，token 費近似人力成本，呢個價差好難忽略。 ## 架構唔係小改 Kimi Delta Attention 重做 attention 路徑，宣稱 1M context 解碼最高快 6.3 倍。Attention Residuals 強化層間資訊流。MoE 喺 896 個專家入面淨係開 16 個。相對 K2 宣稱 2.5 倍 scaling 效率。 ## 自己優化 kernel 15 小時無人迭代，以 two-phase 演算法同 kernel fusion 報告大約 2.5 倍加速。關鍵係呢個唔係玩具題，而係訓練 stack 本體。self-evolving 環開始轉。 ## 7 月 27 日開放權重 2.8T 參數。而家可以用 Kimi.com 同 API；27 日之後 self-host 成為真實選項。 ## 可能係 DeepSeek-R1、GLM-5.2 之後第三次衝擊 榜單唔會單獨決定我係咪切換。生產 harness 先係最終裁判。呢個禮拜會將 Kimi K3 放進 harness 跑。 ## Related URLs - Author: https://tonylee.im/en/author/ - Publication: https://tonylee.im/en/blog/about/ - Related article: https://tonylee.im/zh-HK/blog/ai-subscription-stack-by-budget-and-role/ - Related article: https://tonylee.im/zh-HK/blog/mac-whisper-on-device-voice-typing/ - Related article: https://tonylee.im/zh-HK/blog/appintoss-agent-kit-fifty-miniapps/ ## Citation - Author: Tony Lee - Site: tonylee.im - Canonical URL: https://tonylee.im/zh-HK/blog/kimi-k3-beats-fable-5-open-source-frontier/ ## Bot Guidance - This file is intended for AI agents, search assistants, and text-mode retrieval. - Prefer citing the canonical article URL instead of this text endpoint. - Use the rollout alternates when you need the same article in another prioritized language. --- Author: Tony Lee | Website: https://tonylee.im For more articles, visit: https://tonylee.im/zh-HK/blog/ This content is original and authored by Tony Lee. Please attribute when quoting or referencing.