Claude Fable 5.2 (Low, Default Fallback) vs Gemini 3.1 Flash-Lite
Which is better for the money: Claude Fable 5.2 (Low, Default Fallback) by Anthropic or Gemini 3.1 Flash-Lite by Google? 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 (Low, Default Fallback) scores 47.7 points higher (53.9 vs 6.2) but costs 13× as much to run the benchmark ($2862 vs $224; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Fable 5.2 (Low, Default Fallback) when you need intelligence above 6.2, and Gemini 3.1 Flash-Lite when 6.2 is enough.
| Metric | Claude Fable 5.2 (Low, Default Fallback) | Gemini 3.1 Flash-Lite | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.9 | 6.2 | −88.5% Gemini 3.1 Flash-Lite is 88.5% less intelligent |
| Total AA cost (lower is better) | $2,861.78 | $224.32 | −92.2% Gemini 3.1 Flash-Lite is 92.2% cheaper |
| End-to-end time (lower is better) | 22.57s | 6.14s | −72.8% Gemini 3.1 Flash-Lite is 72.8% faster |
| Price per 1M tokens (in / out) | $8.00 / $40.0 | $0.25 / $1.50 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Gemini 3.1 Flash-Lite vs Claude Fable 5.2 (Low, Default Fallback): 88.5% less intelligence, 92.2% less cost to run the AA benchmark, and 72.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Fable 5.2 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 54.60 for $1124.
- Gemini 3.1 Flash-Lite is off the frontier: at the same or lower cost, GPT-6.1 Terra (Medium) scores 38.20 for $190.
Claude Fable 5.2 (Low, Default Fallback)Gemini 3.1 Flash-LiteToday's Pareto frontierEvery other model
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