# The Battle Of The Titans, GPT 5.6 Sol Vs Fable 5, Which One Is Better.

> Source: <https://pub.towardsai.net/the-battle-of-the-titans-gpt-5-6-sol-vs-fable-5-which-one-is-better-ed0cba96e9d1?source=rss----98111c9905da---4>
> Published: 2026-07-14 13:31:00+00:00

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# The Battle Of The Titans, GPT 5.6 Sol Vs Fable 5, Which One Is Better.

I am not going to hold you hostage. I prefer GPT-5.6 Sol, by a wide margin. If you have the time, let me explain why.

Claude Fable 5 is still a serious model. Artificial Analysis gives it 60 on the broad Intelligence Index, one point ahead of Sol at 59. It also has the stronger AA-Briefcase result for analytical knowledge work.

That still does not make Fable my default. Artificial Analysis puts Sol at $1.04 per Intelligence Index task, about one third of Fable 5’s estimated task cost. Sol also leads its Coding Agent Index at 80. Once I am choosing a model for repeated browser work, code changes, retries, tool calls, and long-running automation, that is the tradeoff I care about.

## I do not want to pay three times as much for one point

The public Intelligence Index picture is straightforward: Fable 5 scores 60, Sol scores 59.

One point is real. I am not pretending it does not exist. Fable also leads AA-Briefcase overall, with a 56% Rubric Score against Sol’s 42% and an Analytical Quality Elo of 1764 against Sol’s 1592. I…