Gemini 3.8 Flash (Medium) vs GPT-5.6 Sol (Xhigh)
Which is better for the money: Gemini 3.8 Flash (Medium) by Google or GPT-5.6 Sol (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (Xhigh) scores 4.2 points higher (44.0 vs 39.8) but costs 1.9× as much to run the benchmark ($2082 vs $1100; flagship vs premium cost classes). Pick GPT-5.6 Sol (Xhigh) when the extra intelligence is worth the premium, otherwise Gemini 3.8 Flash (Medium).
| Metric | Gemini 3.8 Flash (Medium) | GPT-5.6 Sol (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.8 | 44.0 | +10.6% GPT-5.6 Sol (Xhigh) is 10.6% more intelligent |
| Total AA cost (lower is better) | $1,100.06 | $2,082.28 | +89.3% GPT-5.6 Sol (Xhigh) is 89.3% more expensive |
| End-to-end time (lower is better) | Not reported | 28.41s | — not comparable |
| Price per 1M tokens (in / out) | $0.75 / $3.75 | $4.00 / $20.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-5.6 Sol (Xhigh) vs Gemini 3.8 Flash (Medium): 10.6% more intelligence, 89.3% more cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- Gemini 3.8 Flash (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- GPT-5.6 Sol (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Gemini 3.8 Flash (Medium)GPT-5.6 Sol (Xhigh)Today's Pareto frontierEvery other model
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