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StepFun's Step 5 Preview gets day-0 support on four Chinese chip platforms; Huawei starts its first 1,024-chip Atlas 950 SuperPoD (report)

Announced October 16, 2026

Verified (fact)

According to Pandaily, on the day StepFun released the open weights for 'Step 5 Preview,' four Chinese chip platforms (Ascend from Huawei, MetaX, Biren, and Moore Threads) said they would support the model from launch day (Day-0). Huawei also said its first 'Atlas 950 SuperPoD,' made up of 1,024 chips, has started running.

Needs fact-check (claim)

Day-0 support on four Chinese chip platforms, and Huawei's first 1,024-chip Atlas 950 SuperPoD in operation (each company's announcement, as reported)

Why it matters (interpretation)

A frontier-class Chinese open-weight model now runs on Chinese chips instead of NVIDIA from the day it is released. This suggests that an ecosystem in which Chinese models and Chinese chips develop together is taking hold under US export controls. However, the report gave no actual inference performance figures for each chip.

Confidence medium · official source pending

Sources

Story thread

  1. 2026-10-10 StepFun releases 'Step 5 Preview,' a 600B MoE with a 1M-token context, on OpenRouter (community report)
  2. 2026-10-15 StepFun releases Step 5 Preview open weights: 600B total / 27B active MoE, with tech blog on 92-layer, Sparse GQA design (report)
  3. 2026-10-16 StepFun's Step 5 Preview gets day-0 support on four Chinese chip platforms; Huawei starts its first 1,024-chip Atlas 950 SuperPoD (report)

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