Gemma 4 E4B (Reasoning) vs GPT-5.6 Luna (Low)
Which is better for the money: Gemma 4 E4B (Reasoning) by Google or GPT-5.6 Luna (Low) 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 Luna (Low) scores 12.1 points higher (21.0 vs 8.9) but costs 1.8× as much to run the benchmark ($27.0 vs $14.7; both budget class). Pick GPT-5.6 Luna (Low) when the extra intelligence is worth the premium, otherwise Gemma 4 E4B (Reasoning).
| Metric | Gemma 4 E4B (Reasoning) | GPT-5.6 Luna (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 8.9 | 21.0 | +136.0% GPT-5.6 Luna (Low) is 2.4× more intelligent |
| Total AA cost (lower is better) | $14.68 | $27.02 | +84.1% GPT-5.6 Luna (Low) is 84.1% more expensive |
| End-to-end time (lower is better) | 55.98s | 5.90s | −89.5% GPT-5.6 Luna (Low) is 89.5% faster |
| Price per 1M tokens (in / out) | $0.02 / $0.10 | $0.20 / $1.20 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
GPT-5.6 Luna (Low) vs Gemma 4 E4B (Reasoning): 136.0% more intelligence, 84.1% more cost to run the AA benchmark, and 89.5% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Gemma 4 E4B (Reasoning) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- GPT-5.6 Luna (Low) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
Gemma 4 E4B (Reasoning)GPT-5.6 Luna (Low)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemma-4-e4b/gpt-5-6-luna-low · Markdown: /api/v1/compare/gemma-4-e4b/gpt-5-6-luna-low?format=md · llms.txt · agent skill