GPT-6 Astra Costs Half of Fable 5.1 Per Task, Pressuring Anthropic

Benchmarks show Claude Fable 5.1 scores about 2 points higher than GPT-6 Astra, but costs $6.12 per task versus $2.57—a 2.4x premium that puts Anthropic's pricing under pressure.

2026-09-05 ~ 2026-09-07 · 2 related posts

• Fable 5.1 scores ~2 points above GPT-6 Astra but costs 2.4x per benchmark task — ForwardLoop · 2026-09-05
• GPT 6 Astra costs $2.57 per task, half of Fable 5.1's $6.12, putting Anthropic's pricing under pressure — Scobleizer · 2026-09-07