Gemini 3.5 Flash (medium) vs GPT-5.6 Sol (low)

Google · OpenAI · catalog 2026-09-14

Trade-off: Gemini 3.5 Flash (medium) is cheaper ($1.305 vs $3.08/M); GPT-5.6 Sol (low) scores higher on intelligence (33.8 vs 33.6).
Gemini 3.5 Flash (medium)GPT-5.6 Sol (low)
Speed (tok/s)224 measured56.3 measured
Blended $/M$1.305 derived$3.08 derived
Intelligence index33.6 measured33.8 measured
TTFT (ms)1297 measured309 measured
Context——
Coding indexnot measured for both
Agentic indexnot measured for both

Gemini 3.5 Flash (medium) card · GPT-5.6 Sol (low) card · 3D observatory

Verdicts use price×intelligence dominance only, and only where both sides are measured; null cells stay null with their provenance (em-dash = not in catalog). Percentile-free by design — this page compares two models, not the field. Generated page — do not hand-edit.