Is Claude Opus 4.8 cheaper than Claude Fable 5?

Yes. Claude Opus 4.8 costs $5.00 input and $25.00 output per 1M tokens, while Claude Fable 5 costs $10.00 input and $50.00 output per 1M tokens. Opus 4.8 is exactly 50% cheaper across the board. Both have 1M token context windows.

What's the difference between Claude Fable 5 and Claude Opus 4.8?

Claude Fable 5 is a premium-tier model focused on structured reasoning, technical tasks, and systematic problem-solving. Claude Opus 4.8 is the general-purpose flagship model. Opus 4.8 costs half as much ($5/$25 vs $10/$50) with the same 1M context window. Choose Fable 5 for specialized technical work, Opus 4.8 for cost-effective general use.

Is Claude Fable 5 worth the extra cost over Opus 4.8?

It depends on your workload. Fable 5 costs double Opus 4.8 but excels at structured reasoning, code generation, and technical documentation. If your tasks benefit from Fable 5's specialized strengths, the premium may be justified. For general-purpose AI tasks, Opus 4.8 at half the price is hard to beat.

Which is better for coding: Claude Fable 5 or Opus 4.8?

Claude Fable 5 is specifically optimized for structured reasoning and technical tasks, making it strong at code generation, debugging, and architecture decisions. Opus 4.8 is also very capable at coding as a general-purpose flagship model. Fable 5 may edge out for complex technical work, but Opus 4.8 offers excellent coding at half the price.

Both Claude Fable 5 and Opus 4.8 have 1M context — is there a difference?

Both models offer 1M token context windows, so context capacity is identical. The differences are in pricing ($5/$25 vs $10/$50) and specialized capabilities. Fable 5's premium pricing reflects its focus on structured and technical reasoning. Opus 4.8 provides the same context at half the cost for general-purpose use.

How much can I save using Opus 4.8 instead of Fable 5?

Since Opus 4.8 is exactly 50% cheaper than Fable 5 on both input and output, you save 50% on every API call. For example, at 10M input tokens and 5M output tokens per month, you'd spend $350 on Fable 5 vs $175 on Opus 4.8 — saving $175/month.