Gemini 3.1 Flash-Lite vs Grok 4.3 (High)
Which is better for the money: Gemini 3.1 Flash-Lite by Google or Grok 4.3 (High) by SpaceXAI? 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
Grok 4.3 (High) scores 9.3 points higher (24.9 vs 15.6) but costs 2.3× as much to run the benchmark ($363 vs $156; both mid-range class). Pick Grok 4.3 (High) when the extra intelligence is worth the premium, otherwise Gemini 3.1 Flash-Lite.
| Metric | Gemini 3.1 Flash-Lite | Grok 4.3 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 15.6 | 24.9 | +59.6% Grok 4.3 (High) is 59.6% more intelligent |
| Total AA cost (lower is better) | $155.87 | $363.24 | +133.0% Grok 4.3 (High) is 2.3× more expensive |
| End-to-end time (lower is better) | 6.15s | 27.84s | +352.7% Grok 4.3 (High) is 352.7% slower |
| Price per 1M tokens (in / out) | $0.25 / $1.50 | $1.25 / $2.50 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Grok 4.3 (High) vs Gemini 3.1 Flash-Lite: 59.6% more intelligence, 133.0% more cost to run the AA benchmark, and 352.7% 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.
- Grok 4.3 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
Gemini 3.1 Flash-LiteGrok 4.3 (High)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-3-1-flash-lite-preview/grok-4-3 · Markdown: /api/v1/compare/gemini-3-1-flash-lite-preview/grok-4-3?format=md · llms.txt · agent skill