Claude Fable 5.2 (Xhigh, Default Fallback) vs GPT-6 Astra (High)
Which is better for the money: Claude Fable 5.2 (Xhigh, Default Fallback) by Anthropic or GPT-6 Astra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-10.
Trade-off
Verdict
Depends on your budget
Claude Fable 5.2 (Xhigh, Default Fallba… scores 7.4 points higher (62.2 vs 54.8) but costs 3.7× as much to run the benchmark ($11742 vs $3204; both flagship class). They are not alternatives at one budget: pick Claude Fable 5.2 (Xhigh, Default Fallba… when you need intelligence above 54.8, and GPT-6 Astra (High) when 54.8 is enough.
| Metric | Claude Fable 5.2 (Xhigh, Default Fallback) | GPT-6 Astra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 62.2 | 54.8 | −11.9% GPT-6 Astra (High) is 11.9% less intelligent |
| Total AA cost (lower is better) | $11,741.62 | $3,204.00 | −72.7% GPT-6 Astra (High) is 72.7% cheaper |
| End-to-end time (lower is better) | 102.03s | 144.47s | +41.6% GPT-6 Astra (High) is 41.6% slower |
| Price per 1M tokens (in / out) | $8.00 / $40.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Astra (High) vs Claude Fable 5.2 (Xhigh, Default Fallback): 11.9% less intelligence, 72.7% less cost to run the AA benchmark, and 41.6% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Fable 5.2 (Xhigh, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6 Astra (High) is on today's frontier: nothing is both smarter and cheaper.
Claude Fable 5.2 (Xhigh, Default Fallback)GPT-6 Astra (High)Today's Pareto frontierEvery other model
Matchup
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