Gemini 3.1 Flash-Lite vs GPT-5.6 Sol (Medium)
Which is better for the money: Gemini 3.1 Flash-Lite by Google or GPT-5.6 Sol (Medium) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (Medium) scores 23.6 points higher (39.2 vs 15.6) but costs 6.4× as much to run the benchmark ($997 vs $156; premium vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.6 Sol (Medium) when you need intelligence above 15.6, and Gemini 3.1 Flash-Lite when 15.6 is enough.
| Metric | Gemini 3.1 Flash-Lite | GPT-5.6 Sol (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 15.6 | 39.2 | +151.3% GPT-5.6 Sol (Medium) is 2.5× more intelligent |
| Total AA cost (lower is better) | $155.87 | $997.39 | +539.9% GPT-5.6 Sol (Medium) is 6.4× more expensive |
| End-to-end time (lower is better) | 6.08s | 10.88s | +78.9% GPT-5.6 Sol (Medium) is 78.9% slower |
| Price per 1M tokens (in / out) | $0.25 / $1.50 | $4.00 / $20.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-5.6 Sol (Medium) vs Gemini 3.1 Flash-Lite: 151.3% more intelligence, 539.9% more cost to run the AA benchmark, and 78.9% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 3.1 Flash-Lite is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
- GPT-5.6 Sol (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Gemini 3.1 Flash-LiteGPT-5.6 Sol (Medium)Today's Pareto frontierEvery other model
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