· Initial dataset verified and published
- 12 models: specs (params, layers, KV heads, head dim, context) verified against Hugging Face configs; MLA branch confirmed for DeepSeek-R1.
- 12 GPUs: VRAM, memory bandwidth and MSRP verified against NVIDIA / AMD / Apple official specifications; used-market prices (RTX 3090/4090) sampled from eBay sold listings, July 2026.
- Quantization presets: bits-per-weight calibrated from measured GGUF file sizes (bartowski, Llama-3.1-8B): FP16 16.0, Q8_0 8.51, Q6_K 6.57, Q5_K_M 5.71, Q4_K_M 4.90, Q3_K_M 4.00, Q2_K 3.17.
- API pricing: input/output prices per million tokens verified for DeepSeek, Together AI, Groq, DeepInfra, Fireworks, OpenRouter and Novita (7 providers).
- Apple lineup update: 256GB/512GB Mac Studio M3 Ultra configurations discontinued (DRAM shortage); 96GB is the ceiling, base price now $5,299.