Deterministic Stack Engine
Best AI Stack for long-context RAG
Context window and input price for stuffing large corpora.
Objective Weight Distribution
Context:40%In $:25%Elo:20%TTFT:15%
Recommended PickScore 82.8 / 100
GPT-5.6 Luna
OpenAI · Closed flagship
Context: 1.1M (Top 5%)In $: $0.1/1M (Top 19%)Elo: 1,466 (Top 51%)TTFT: 88 ms (Top 2%)
Output: $0.6/1MSWE-bench: 61.8%
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