Claude Opus 4.6 vs Claude Fable 5.1

Claude Opus 4.6Claude Fable 5.1
Performance score1503 pts (#5)1502 pts (#6)
Usage · 7 daysOutside usage top 30Outside usage top 30
Output price$25 per 1M tokens$50 per 1M tokens
Input price$5 per 1M tokens$10 per 1M tokens
Context length1M tokens1M tokens
ReleasedFeb 4, 2026Sep 1, 2026

Source: OpenRouter (usage Oct 9 – 15 · prices), Arena (performance · quality) · CC BY 4.0. Prices are converted at fixed exchange rates.