Claude Fable 5.1 (High, Default Fallback) vs GPT-6 Sol (Max)
Which is better for the money: Claude Fable 5.1 (High, Default Fallback) by Anthropic or GPT-6 Sol (Max) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
Claude Fable 5.1 (High, Default Fallbac… scores 3.6 points higher (51.2 vs 47.6) but costs 3.4× as much to run the benchmark ($5242 vs $1536; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Fable 5.1 (High, Default Fallbac… when you need intelligence above 47.6, and GPT-6 Sol (Max) when 47.6 is enough.
| Metric | Claude Fable 5.1 (High, Default Fallback) | GPT-6 Sol (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 51.2 | 47.6 | −7.0% GPT-6 Sol (Max) is 7.0% less intelligent |
| Total AA cost (lower is better) | $5,241.59 | $1,535.80 | −70.7% GPT-6 Sol (Max) is 70.7% cheaper |
| End-to-end time (lower is better) | 26.71s | 94.05s | +252.1% GPT-6 Sol (Max) is 252.1% slower |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Max) vs Claude Fable 5.1 (High, Default Fallback): 7.0% less intelligence, 70.7% less cost to run the AA benchmark, and 252.1% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Fable 5.1 (High, Default Fallback) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
- GPT-6 Sol (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Fable 5.1 (High, Default Fallback)GPT-6 Sol (Max)Today's Pareto frontierEvery other model
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