Story
Kimi K3 Is Competitive with Fable; Kimi K3 and Fable Is SoTA
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Overview
Kimi K3 is an open model that offers competitive performance with Fable 5 at a lower cost. When combined, Kimi K3 and Fable 5 achieve state-of-the-art results across approximately 1,030 agentic tasks.
Summary from fireworks.ai.
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Community reactions
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Hacker News · fireworks.ai
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Based on 5 sampled comments from this thread. Analyzed 2026-07-22.
- Praise: Kimi K3's price is a game changer — a third the cost of Fable while being open source, making advanced AI accessible to more users.
- Praise: The router model's ability to choose Kimi over Fable 72% of the time for cost-effective results shows Kimi's competitive edge in real-world applications.
- Praise: DeepSeek v4 Flash's exceptional speed and versatility for coding tasks demonstrates the growing capabilities of AI models in handling complex programming needs.
- Concern: Open sourcing Kimi may just give closed-source providers like Anthropic and OpenAI a chance to catch up faster, raising concerns about true innovation.
- Concern: Some skepticism exists about Kimi's performance claims, with users questioning if it's genuinely better than alternatives like Sonnet 5 or Grok 4.5.