Claude Fable 5 vs Claude Opus 4.8

A side-by-side comparison of Claude Fable 5 and Claude Opus 4.8 — intelligence, context, capabilities, and price.

Spec
Claude Fable 5 logoClaude Fable 5
Claude Opus 4.8 logoClaude Opus 4.8
Context window1M500K
Streaming
Reasoning
Tool use
Web search
Vision (image input)
Document input
Video
Audio
Claude Fable 5 pricing
  • Input$0.1 / 1M tokens
  • Output$0.5 / 1M tokens
View Claude Fable 5details →
Claude Opus 4.8 pricing
  • Input$0.05 / 1M tokens
  • Output$0.25 / 1M tokens
View Claude Opus 4.8details →
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Claude Fable 5 vs Claude Opus 4.8: FAQ

Is Claude Fable 5 better than Claude Opus 4.8?
Anthropic's most capable model. Tops the AA Intelligence Index; built for the hardest reasoning and long-horizon agentic work. Frontier all-rounder. Leads SWE-bench Pro (69%) at AA Intelligence Index v4.1 of 56 — the value pick just below Fable 5. The best choice depends on your workload — compare context window, capabilities, and price above, or try both on TryAI.
Which is cheaper, Claude Fable 5 or Claude Opus 4.8?
See the pricing rows above for live per-token or per-generation costs. TryAI bills both from one pay-as-you-go balance.