vLLM Speculative Decoding in 2026: P-EAGLE vs DFlash vs DSpark for Faster, Cheaper LLM Serving

vLLM speculative decoding in 2026: P-EAGLE vs DFlash vs DSpark for faster, cheaper LLM serving Summary. On July 28, 2026, the vLLM project and its Speculators library shipped open-source support for t