{"id":108269,"title":"Kimi K3 on Morph: near-Fable performance at 1/5 the cost","tagline":"Live on OpenRouter and Vercel's AI Gateway","body":"Kimi K3 is now live on Morph.\n\n![uploaded image](/media/?type=post\u0026id=108269\u0026key=user_uploads/405977/9bf53656-3db4-42fe-92a9-48a4a412df40)\n\nMost open-weight models look promising in benchmarks, then fall apart in production: unreliable tool calls, weak long-context performance, or inconsistent outputs.\n\nGLM-5.2 and Kimi K3 are the first two I’ve tested that feel genuinely production-ready.\n\nIn our benchmarks, Kimi K3 approaches Fable-level performance at roughly half the cost of Opus. On Morph, it comes with:\n\n* 1M-token context\n* 90–200 output tokens/sec\n* Tool calling and structured outputs\n* OpenAI- and Anthropic-compatible APIs\n\nWe want to see how it performs on real workloads, not toy demos.\n\nIf you currently run Anthropic or OpenAI models in production, we’ll cover the cost of routing 5% of your production traffic to Kimi K3. Compare quality, latency, and cost against your existing model with minimal integration work.\n\nWe’d love brutally honest feedback: where it works, where it breaks, and what it would take for you to route more traffic to it.\n\nTry it here: \u003chttps://docs.morphllm.com/sdk/components/fast-models\u003e\n\nComment or DM me if you want us to fund your production test.\n\n![uploaded image](/media/?type=post\u0026id=108269\u0026key=user_uploads/405977/cd809dfe-c7e5-406f-9707-f7c250c7113a)\n\n","slug":"SAH-kimi-k3-on-morph-near-fable-performance-at-1-5-the-cost","created_at":"2026-07-29T06:05:58.276Z","updated_at":"2026-09-18T22:17:04.336Z","total_vote_count":2,"url":"https://www.ycombinator.com/launches/SAH-kimi-k3-on-morph-near-fable-performance-at-1-5-the-cost","share_image_url":"https://www.ycombinator.com/media/?type=post\u0026id=108269\u0026key=user_uploads/405977/cd809dfe-c7e5-406f-9707-f7c250c7113a","company":{"id":29120,"name":"Morph","slug":"morph","url":"https://morphllm.com","logo":"https://bookface-images.s3.amazonaws.com/small_logos/dedc5ca68422aae62a4f58f3a0823d0903b71997.png","batch":"Summer 2023","industry":"B2B","tags":["Artificial Intelligence","Developer Tools","Generative AI","API","AI"],"search_path":"https://bookface.ycombinator.com/company/29120"}}