QuantDiff

QuantDiff is Ornith 1.5 9B, 4 GGUF quants on an RTX 5070: Q4_K_M (5.4GB) scores 87.2% [84.0-89.8] on GSM8K+MMLU+ARC vs 86.0% for Q8_0, a statistical tie, at 99 vs 65 tok/s.. It is ranked #5055 on the AI Radar, in Open & local models, first seen 11 days ago and shared in 1 post (627 views).

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What QuantDiff says about itself

Ornith 1.5 9B: 4 GGUF quants from ornith-ai diffed against the BF16 original on KL divergence, top-token agreement, tool calling and speed. Best pick for 8, 12 and 16GB VRAM.

Best Ornith 1.5 9B quant for 8GB, 12GB & 16GB GPUs: 4 GGUFs diffed | QuantDiff Skip to content Quant Diff Best Ornith 1.5 9B quant for your GPU 4 quantized files of ornith-ai/Ornith-1.5-9B (9.2B), each diffed against the BF16 original. ornith-ai/Ornith-1.5-9B (MIT). Per its model card, built on Qwen3.5 with continued pre-training and RL post-training; same hybrid architecture as Qwen3.5 9B (32 layers, 8 full attention + 24 linear attention). Quants from the official ornith-ai GGUF repo, which only has Q4_K_M, Q5_K_M, Q6_K and Q8_0 (no Q2/Q3). Tested with thinking disabled. Charts Every dot and bar is a measured file (GGUF). Hover or tap one…

What people said about QuantDiff on X

QuantDiff found Q4 and Q8 of @ornith_ 1.5 9B a statistical tie. So I ran both through my personal-agent suite to see what you actually give up stepping down to Q4. Short answer: not much. But there's one tangible thing. Matched setup, reasoning off, 5 runs per test: T1 (tools): 30 vs 30 A1 (light agent): 10 vs 10 C1…

— @PaulGug, 11 days ago · 13 likes · see the post

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QuantDiff in numbers

• Rank on the AI Radar: #5055 of 10409
• Shared in 1 post by 1 account: @PaulGug
• 627 views on those posts
• First seen 11 days ago, last shared 11 days ago
• Pricing seen by AGK Intelligence: not stated
• Market: Open & local models

FAQ

What is QuantDiff?

Ornith 1.5 9B, 4 GGUF quants on an RTX 5070: Q4_K_M (5.4GB) scores 87.2% [84.0-89.8] on GSM8K+MMLU+ARC vs 86.0% for Q8_0, a statistical tie, at 99 vs 65 tok/s. It was first shared on X 11 days ago and is ranked #5055 on the AI Radar.

Is QuantDiff free?

Pricing is not stated on the page we read.

Who shared QuantDiff?

1 account on X, including @PaulGug, in 1 post totalling 627 views.

Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 65.6k posts from 5k X accounts over the last 14 days, 10.4k tools, 19 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-11-06 15:57 UTC. Full method.