diff --git a/BENCHMARKS.md b/BENCHMARKS.md
index 72e7572..b83bc41 100644
--- a/BENCHMARKS.md
+++ b/BENCHMARKS.md
@@ -20,6 +20,8 @@ and a much crisper splat than the 1500-step preview above.
 
 Warm-model runs are the ~8s figure; each new model variant pays its download once.
 
+**First A/B (same prompt, 2026-07-12):** FLUX.2 Klein 4B local (8s, $0) vs nano-banana via OpenRouter (`google/gemini-2.5-flash-image`, 7.7s, $0.0387 exact-billed). Klein: cleaner product-photo subject. nano-banana: richer scene dressing (books/inkwell/quill, dust motes) + finer engraving detail. Verdict: Klein is the volume workhorse; nano-banana wins on scene storytelling per prompt-adherence expectations (Elo 1154 vs ~1083).
+
 ## Mesh-gen (installed; first real run blocked on owner HuggingFace auth)
 | Operator | Install | Runtime status |
 |---|---|---|