Claude Sonnet 5 (Xhigh) vs GPT-6.1 Terra (Non-reasoning)
Which is better for the money: Claude Sonnet 5 (Xhigh) 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 Sonnet 5 (Xhigh) scores 0.9 points higher (34.4 vs 33.5) but costs 21× as much to run the benchmark ($3255 vs $154; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Sonnet 5 (Xhigh) when you need intelligence above 33.5, and GPT-6.1 Terra (Non-reasoning) when 33.5 is enough.
| Metric | Claude Sonnet 5 (Xhigh) | GPT-6.1 Terra (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.4 | 33.5 | −2.6% GPT-6.1 Terra (Non-re… is 2.6% less intelligent |
| Total AA cost (lower is better) | $3,255.40 | $153.58 | −95.3% GPT-6.1 Terra (Non-re… is 95.3% cheaper |
| End-to-end time (lower is better) | 32.51s | 6.61s | −79.7% GPT-6.1 Terra (Non-re… is 79.7% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $1.00 / $5.00 | |
| Input modalities | Text, Image | Text, Image |
GPT-6.1 Terra (Non-reasoning) vs Claude Sonnet 5 (Xhigh): 2.6% less intelligence, 95.3% less cost to run the AA benchmark, and 79.7% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5 (Xhigh) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- 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 Sonnet 5 (Xhigh)GPT-6.1 Terra (Non-reasoning)Today's Pareto frontierEvery other model
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