Gemini 4 Argon (High) vs GPT-5.6 Terra (Medium)
Which is better for the money: Gemini 4 Argon (High) by Google or GPT-5.6 Terra (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
Gemini 4 Argon (High) scores 22.5 points higher (52.6 vs 30.1) but costs 5.4× as much to run the benchmark ($2407 vs $447; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 4 Argon (High) when you need intelligence above 30.1, and GPT-5.6 Terra (Medium) when 30.1 is enough.
| Metric | Gemini 4 Argon (High) | GPT-5.6 Terra (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 52.6 | 30.1 | −42.8% GPT-5.6 Terra (Medium) is 42.8% less intelligent |
| Total AA cost (lower is better) | $2,407.24 | $446.53 | −81.5% GPT-5.6 Terra (Medium) is 81.5% cheaper |
| End-to-end time (lower is better) | 64.75s | 6.06s | −90.6% GPT-5.6 Terra (Medium) is 90.6% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.6 Terra (Medium) vs Gemini 4 Argon (High): 42.8% less intelligence, 81.5% less cost to run the AA benchmark, and 90.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Gemini 4 Argon (High) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- GPT-5.6 Terra (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
Gemini 4 Argon (High)GPT-5.6 Terra (Medium)Today's Pareto frontierEvery other model
Matchup
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