{"slug": "hedra-says-its-amd-tuning-cuts-krea-3-image-edits-to-3-6-seconds", "title": "Hedra says its AMD tuning cuts Krea 3 image edits to 3.6 seconds", "summary": "Hedra said it cut 2K image edits with Krea 3 to 3.6 seconds on AMD Instinct MI355X accelerators, down from about 22 seconds on the same hardware, after rebuilding its inference stack with custom ROCm kernels and lower-precision math. The San Francisco startup added Krea 3, a reference-driven image generation and editing model, to its platform on October 15th and announced the roughly sixfold speedup in a six-post thread on X. Hedra is pitching the AMD inference optimizations as part of its infrastructure offer for serving third-party models, and the speed claim remains company-reported.", "body_md": "# Hedra says its AMD tuning cuts Krea 3 image edits to 3.6 seconds\n\n**The San Francisco startup says custom ROCm kernels and lower-precision math cut a 2K edit from about 22 seconds on the same MI355X hardware.**\n\n        By [Ryan Merket](https://runtimewire.com/author/ryan-merket)\n        · Published \n\nPrimary source: [X](https://x.com/hedra_labs/status/2110763001372708992?s=46)\n\n## Why it matters\n\nHedra is pitching its infrastructure as a way to serve third-party models, with AMD inference optimizations as part of the offer. The sixfold speed claim remains company-reported.\n\nHedra added Krea 3, a reference-driven image generation and editing model, to its platform on October 15th. In a [six-post thread on X](https://x.com/hedra_labs/status/2110763001372708992?s=46), the startup said it can return a 2K edit in 3.6 seconds on AMD Instinct MI355X accelerators, down from about 22 seconds on the same hardware before it rebuilt its inference stack.", "url": "https://wpnews.pro/news/hedra-says-its-amd-tuning-cuts-krea-3-image-edits-to-3-6-seconds", "canonical_source": "https://runtimewire.com/article/hedra-krea-3-amd-inference-speed", "published_at": "2026-10-15 19:30:22+00:00", "updated_at": "2026-10-15 22:57:45.145098+00:00", "lang": "en", "topics": ["ai-infrastructure", "generative-ai", "ai-chips", "computer-vision"], "entities": ["Hedra", "Krea 3", "AMD", "AMD Instinct MI355X", "ROCm", "X"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/hedra-says-its-amd-tuning-cuts-krea-3-image-edits-to-3-6-seconds", "markdown": "https://wpnews.pro/news/hedra-says-its-amd-tuning-cuts-krea-3-image-edits-to-3-6-seconds.md", "text": "https://wpnews.pro/news/hedra-says-its-amd-tuning-cuts-krea-3-image-edits-to-3-6-seconds.txt", "jsonld": "https://wpnews.pro/news/hedra-says-its-amd-tuning-cuts-krea-3-image-edits-to-3-6-seconds.jsonld"}}