Gemini 3.5 Flash-Lite vs GPT-6 Astra (High)
Which is better for the money: Gemini 3.5 Flash-Lite by Google or GPT-6 Astra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (High) scores 28.7 points higher (50.9 vs 22.2) but costs 8.0× as much to run the benchmark ($2925 vs $366; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-6 Astra (High) when you need intelligence above 22.2, and Gemini 3.5 Flash-Lite when 22.2 is enough.
| Metric | Gemini 3.5 Flash-Lite | GPT-6 Astra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 22.2 | 50.9 | +129.3% GPT-6 Astra (High) is 2.3× more intelligent |
| Total AA cost (lower is better) | $365.63 | $2,925.01 | +700.0% GPT-6 Astra (High) is 8.0× more expensive |
| End-to-end time (lower is better) | 9.09s | 49.57s | +445.3% GPT-6 Astra (High) is 445.3% slower |
| Price per 1M tokens (in / out) | $0.30 / $2.50 | $10.0 / $50.0 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-6 Astra (High) vs Gemini 3.5 Flash-Lite: 129.3% more intelligence, 700.0% more cost to run the AA benchmark, and 445.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 3.5 Flash-Lite is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- GPT-6 Astra (High) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
Gemini 3.5 Flash-LiteGPT-6 Astra (High)Today's Pareto frontierEvery other model
Matchup
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