Claude Opus 5 (Low) vs GPT-6.1 Terra (Non-reasoning)
Which is better for the money: Claude Opus 5 (Low) by Anthropic or GPT-6.1 Terra (Non-reasoning) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
Claude Opus 5 (Low) scores 5.9 points higher (39.4 vs 33.5) but costs 10× as much to run the benchmark ($1561 vs $154; premium vs mid-range cost classes). They are not alternatives at one budget: pick Claude Opus 5 (Low) when you need intelligence above 33.5, and GPT-6.1 Terra (Non-reasoning) when 33.5 is enough.
| Metric | Claude Opus 5 (Low) | GPT-6.1 Terra (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.4 | 33.5 | −15.0% GPT-6.1 Terra (Non-re… is 15.0% less intelligent |
| Total AA cost (lower is better) | $1,560.91 | $153.58 | −90.2% GPT-6.1 Terra (Non-re… is 90.2% cheaper |
| End-to-end time (lower is better) | 11.18s | 6.76s | −39.5% GPT-6.1 Terra (Non-re… is 39.5% faster |
| Price per 1M tokens (in / out) | $5.00 / $25.0 | $1.00 / $5.00 | |
| Input modalities | Text, Image | Text, Image |
GPT-6.1 Terra (Non-reasoning) vs Claude Opus 5 (Low): 15.0% less intelligence, 90.2% less cost to run the AA benchmark, and 39.5% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- GPT-6.1 Terra (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
Claude Opus 5 (Low)GPT-6.1 Terra (Non-reasoning)Today's Pareto frontierEvery other model
Matchup
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