Claude Fable 5 Model Launch
Key Questions
What is Claude Fable 5 and how much does it cost?
Claude Fable 5 is a new Mythos-class model released by Anthropic priced at $50/M tokens. No detailed practical guides or benchmarks are available yet.
How does Claude Fable 5 compare to Opus 4.8?
Early benchmarks show Claude Fable 5 outperforming Opus 4.8 on every metric published by Anthropic, though community reactions are mixed regarding its cost versus capability.
Can I use Claude Fable 5 in Claude Code?
Yes, a guide explains using Fable 5 in Claude Code where it costs $10 per million input tokens and supports planning across stages with sub-agents.
Anthropic released Claude Fable 5, a new Mythos-class model, priced at $50/M tokens. No detailed practical guides or benchmarks yet. Early reactions are mixed on cost vs. capability. This is a developing story as the community explores its performance and use cases.
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Updated Jun 11, 2026