Claude Fable 5.2 (Max, Default Fallback) vs GPT-6 Astra (Xhigh)
Which is better for the money: Claude Fable 5.2 (Max, Default Fallback) by Anthropic or GPT-6 Astra (Xhigh) 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 (Max, Default Fallback) scores 9.3 points higher (64.6 vs 55.3) but costs 5.9× as much to run the benchmark ($22191 vs $3746; both flagship class). They are not alternatives at one budget: pick Claude Fable 5.2 (Max, Default Fallback) when you need intelligence above 55.3, and GPT-6 Astra (Xhigh) when 55.3 is enough.
| Metric | Claude Fable 5.2 (Max, Default Fallback) | GPT-6 Astra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 64.6 | 55.3 | −14.4% GPT-6 Astra (Xhigh) is 14.4% less intelligent |
| Total AA cost (lower is better) | $22,191.42 | $3,746.22 | −83.1% GPT-6 Astra (Xhigh) is 83.1% cheaper |
| End-to-end time (lower is better) | 258.66s | 250.23s | −3.3% GPT-6 Astra (Xhigh) is 3.3% faster |
| Price per 1M tokens (in / out) | $8.00 / $40.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Astra (Xhigh) vs Claude Fable 5.2 (Max, Default Fallback): 14.4% less intelligence, 83.1% less cost to run the AA benchmark, and 3.3% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Fable 5.2 (Max, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6 Astra (Xhigh) is off the frontier: at the same or lower cost, Claude Fable 5.2 (Medium, Default Fallback) scores 56.40 for $3360.
Claude Fable 5.2 (Max, Default Fallback)GPT-6 Astra (Xhigh)Today's Pareto frontierEvery other model
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