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GPT-5 vs Claude Fable 5

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OpenAI · 1M context | Anthropic · 1M context

Pricing Comparison

Metric	GPT-5	Claude Fable 5
Input / 1M tokens	$8	$10
Output / 1M tokens	$32	$50
Cached input / 1M	$4	$1
Context window	1M	1M
Provider	OpenAI	Anthropic

Cost Calculator

Input tokens

Output tokens

Requests/day

💰 GPT-5 saves $3,300.00/month (31% cheaper)

OGPT-5CHEAPER

Per request$0.0240

Daily$240.00

Monthly$7,200.00

Yearly$87,600.00

AClaude Fable 5

Per request$0.0350

Daily$350.00

Monthly$10,500.00

Yearly$127,750.00

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Choose GPT-5 when…

✓ Cheaper for RAG & document retrieval (lower input cost)
✓ 20% cheaper per input token
✓ Cheaper for generation-heavy workloads (lower output cost)
✓ Optimized for: Frontier tasks & agents

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Choose Claude Fable 5 when…

✓ Cheaper cached price ($1 vs $4/1M)
✓ Optimized for: Frontier reasoning & agents

Related Comparisons

GPT-5 vs GPT-5 Mini GPT-5 vs GPT-4.1 GPT-5 vs GPT-4.1 Mini GPT-5 vs GPT-4.1 Nano Claude Fable 5 vs GPT-5 Mini Claude Fable 5 vs GPT-4.1