Claude Fable 5.2 (Medium, Default Fallback) vs GPT-6 Astra (High)
Which is better for the money: Claude Fable 5.2 (Medium, 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 (Medium, Default Fallb… scores 1.6 points higher (56.4 vs 54.8) but costs 1.0× as much to run the benchmark ($3360 vs $3204; both flagship class). Pick Claude Fable 5.2 (Medium, Default Fallb… when the extra intelligence is worth the premium, otherwise GPT-6 Astra (High).
| Metric | Claude Fable 5.2 (Medium, Default Fallback) | GPT-6 Astra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 56.4 | 54.8 | −2.8% GPT-6 Astra (High) is 2.8% less intelligent |
| Total AA cost (lower is better) | $3,359.66 | $3,204.00 | −4.6% GPT-6 Astra (High) is 4.6% cheaper |
| End-to-end time (lower is better) | 27.53s | 144.47s | +424.8% GPT-6 Astra (High) is 424.8% 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 (Medium, Default Fallback): 2.8% less intelligence, 4.6% less cost to run the AA benchmark, and 424.8% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Fable 5.2 (Medium, 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 (Medium, Default Fallback)GPT-6 Astra (High)Today's Pareto frontierEvery other model
Matchup
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