Claude Fable 5.2 (Low, Default Fallback) vs GPT-6.1 Terra (Xhigh)
Which is better for the money: Claude Fable 5.2 (Low, Default Fallback) by Anthropic or GPT-6.1 Terra (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-10.
Depends on your budget
Claude Fable 5.2 (Low, Default Fallback) scores 8.6 points higher (53.9 vs 45.3) but costs 7.2× as much to run the benchmark ($2862 vs $400; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Fable 5.2 (Low, Default Fallback) when you need intelligence above 45.3, and GPT-6.1 Terra (Xhigh) when 45.3 is enough.
| Metric | Claude Fable 5.2 (Low, Default Fallback) | GPT-6.1 Terra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.9 | 45.3 | −16.0% GPT-6.1 Terra (Xhigh) is 16.0% less intelligent |
| Total AA cost (lower is better) | $2,861.78 | $400.18 | −86.0% GPT-6.1 Terra (Xhigh) is 86.0% cheaper |
| End-to-end time (lower is better) | 21.73s | 84.45s | +288.6% GPT-6.1 Terra (Xhigh) is 288.6% slower |
| Price per 1M tokens (in / out) | $8.00 / $40.0 | $1.00 / $5.00 | |
| Input modalities | Text, Image | Text, Image |
GPT-6.1 Terra (Xhigh) vs Claude Fable 5.2 (Low, Default Fallback): 16.0% less intelligence, 86.0% less cost to run the AA benchmark, and 288.6% slower end-to-end.
Against the frontier
- Claude Fable 5.2 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 54.60 for $1124.
- GPT-6.1 Terra (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 46.30 for $389.
Compare something else
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-fable-5-2-low/gpt-6-1-terra-xhigh · Markdown: /api/v1/compare/claude-fable-5-2-low/gpt-6-1-terra-xhigh?format=md · llms.txt · agent skill