Artificial Analysis scores Fable 5.2 Max 65 versus Gemini 4 Hydrogen’s 54

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Choosing between Claude Fable 5.2 and Gemini 4 Hydrogen means trading benchmark performance against cost and latency. Artificial Analysis puts Fable 5.2 Max at 65 on its Intelligence Index, ahead of Gemini 4 Hydrogen at 54 with xhigh effort.

Here’s how they compare:

• Fable 5.2 API pricing is $8 per million input tokens and $40 per million output tokens. Gemini 4 Hydrogen costs $1.50 and $7.50, respectively.
• Artificial Analysis measured $26.54 per Intelligence Index task for Fable 5.2, compared with $3.16 for Gemini 4 Hydrogen.
• The index combines nine evaluations spanning knowledge work, agentic workflows, coding, science, reasoning, and professional documents.

One catch: Fable 5.2’s maximum-effort score comes with a wait. Artificial Analysis measured 44.5 minutes per task and 262.07 seconds to first answer token, versus Gemini 4 Hydrogen’s 14.8 minutes and 46.64 seconds at xhigh.

Sources: artificialanalysis.ai · artificialanalysis.ai