Claude Fable 5 (Max, Opus 4.8 Fallback) vs GPT-6.1 Sol (Max)
Which is better for the money: Claude Fable 5 (Max, Opus 4.8 Fallback) by Anthropic or GPT-6.1 Sol (Max) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GPT-6.1 Sol (Max)
GPT-6.1 Sol (Max) vs Claude Fable 5 (Max, Opus 4.8 Fallback): 4.4% more intelligence, 90.3% less cost to run the AA benchmark, and 206.6% slower end-to-end.
| Metric | Claude Fable 5 (Max, Opus 4.8 Fallback) | GPT-6.1 Sol (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 49.6 | 51.8 | +4.4% GPT-6.1 Sol (Max) is 4.4% more intelligent |
| Total AA cost (lower is better) | $11,160.86 | $1,081.55 | −90.3% GPT-6.1 Sol (Max) is 90.3% cheaper |
| End-to-end time (lower is better) | 71.92s | 220.48s | +206.6% GPT-6.1 Sol (Max) is 206.6% slower |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude Fable 5 (Max, Opus 4.8 Fallback) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Max, Default Fallback) scores 57.60 for $8708.
- GPT-6.1 Sol (Max) is on today's frontier: nothing is both smarter and cheaper.
Claude Fable 5 (Max, Opus 4.8 Fallback)GPT-6.1 Sol (Max)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-fable-5/gpt-6-1-sol · Markdown: /api/v1/compare/claude-fable-5/gpt-6-1-sol?format=md · llms.txt · agent skill