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Unsloth's DeepSeek-V4.1-Flash Quant Release Sparks Benchmark Feud

Unsloth released GGUF quantizations of DeepSeek-V4.1-Flash with leading 1-bit benchmark scores, then became embroiled in an escalating benchmark dispute with ISTA (GSQ-RCO), each side accusing the other of withholding testing details.

2026-11-02 ~ 2026-11-03 · 2 episodes · 6 posts

Episode 1 · Unsloth Releases DeepSeek-V4.1-Flash GGUF, 1-bit Leads Quantization Benchmarks (2026-11-02, 3 posts)

Unsloth released GGUF quantizations of DeepSeek-V4.1-Flash, benchmarking them with 35.1B tokens at 512K context; its 1-bit version leads other quantizations by over 10% on DeepSWE, while some GSQ-RCO recovery rates were found inflated.

Episode 2 · Unsloth and GSQ-RCO clash over quantization benchmarks (2026-11-03, 3 posts)

The quantization benchmark dispute between GSQ-RCO and Unsloth is escalating. Unsloth's Daniel Hanchen says retests on 27 billion tokens still show a 10-20% lead and accuses GSQ-RCO of refusing to disclose methods, while Reddit users question why GSQ-RCO hasn't published KLD metrics.