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Claude Fable 5 vs Claude Opus 4.5

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Anthropic · 1M context  |  Anthropic · 200k context

Pricing Comparison

MetricClaude Fable 5Claude Opus 4.5
Input / 1M tokens$10$15
Output / 1M tokens$50$75
Cached input / 1M$1$1.5
Context window1M200k
ProviderAnthropicAnthropic

Cost Calculator

💰 Claude Fable 5 saves $5,250.00/month (33% cheaper)
AClaude Fable 5CHEAPER
Per request$0.0350
Daily$350.00
Monthly$10,500.00
Yearly$127,750.00
AClaude Opus 4.5
Per request$0.0525
Daily$525.00
Monthly$15,750.00
Yearly$191,625.00
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Choose Claude Fable 5 when…

  • ✓ Cheaper for RAG & document retrieval (lower input cost)
  • ✓ 33% cheaper per input token
  • ✓ Cheaper for generation-heavy workloads (lower output cost)
  • ✓ Larger context window (1M vs 200k) — better for long documents
  • ✓ Cheaper cached price ($1 vs $1.5/1M)
  • ✓ Optimized for: Frontier reasoning & agents
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Choose Claude Opus 4.5 when…

  • ✓ Optimized for: Complex reasoning & coding

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Claude Fable 5 vs Claude Opus 4.8Claude Fable 5 vs Claude Opus 4.7Claude Fable 5 vs Claude Sonnet 4.6Claude Fable 5 vs Claude Opus 4.6Claude Opus 4.5 vs Claude Opus 4.8Claude Opus 4.5 vs Claude Opus 4.7