TokenSpeed hits SOTA for Kimi K3 on AMD MI355X: 1.4x faster than ATOM at 216 tok/s

zhyncs42 · x · 2026-10-10

TokenSpeed claims new SOTA serving Kimi K3 on 8x AMD Instinct MI355X: 216 output tok/s per user, 1.4x the decode speed of ATOM at C1 while running higher precision, measured on a real agentic workload (multi-turn SWE-smith, 50K+ context, 10–15 turns). All AMD kernels were rewritten in Triton + Gluon with the AMD Triton team; a technical deep dive is promised.

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