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GPT-5.5 Pro vs Claude Fable 5
Premium AI showdown — GPT-5.5 Pro vs Claude Fable 5.
Pricing data verified: Jul 2, 2026
| Specification | GPT-5.5 Pro | Claude Fable 5 |
|---|---|---|
| Input Price (per 1M tokens) | $30.00 | $10.00 |
| Output Price (per 1M tokens) | $180.00 | $50.00 |
| Context Window | 1.05M | 1M |
| Tier | Premium | Premium |
| Provider | OpenAI | Anthropic |
| Input Savings | Baseline | 67% cheaper |
| Output Savings | Baseline | 72% cheaper |
| Cost at 1M input + 500K output | $120.00 | $35.00 |
Calculate Your Exact Costs
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Which Model for Which Use Case?
Cost Optimization
At $30.00/$180.00 per 1M, GPT-5.5 Pro is competitive. Claude Fable 5 at $10.00/$50.00 per 1M is also affordable and has its own strengths.
Quality vs Cost
GPT-5.5 Pro (premium) and Claude Fable 5 (premium) both deliver strong results. Test with your specific workload to find the best fit.
Enterprise Scale
At 10M input + 5M output/month, the cost difference is $850.00/mo ($10200/year). Significant savings with Claude Fable 5.
Startup & Prototyping
Building an MVP? GPT-5.5 Pro at $120.00/mo costs $85.00 compared to Claude Fable 5 at $35.00/mo.
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Frequently Asked Questions
Are GPT-5.5 Pro and Claude Fable 5 the same price?
No. GPT-5.5 Pro: $30.00/M input, $180.00/M output. Claude Fable 5: $10.00/M input, $50.00/M output.
Which is better for coding — GPT-5.5 Pro or Claude Fable 5?
Both are capable for coding. GPT-5.5 Pro (premium tier) at $180.00/M output vs Claude Fable 5 (premium tier) at $50.00/M output.
How much would I save using GPT-5.5 Pro instead of Claude Fable 5?
At 1M input + 500K output/month: GPT-5.5 Pro costs $120.00 vs Claude Fable 5's $35.00 — extra cost of $85.00/mo. At scale (10M+5M): spend $850.00/mo ($10200/year).
When should I choose Claude Fable 5 over GPT-5.5 Pro?
Choose Claude Fable 5 when you need its specific capabilities or ecosystem. Choose GPT-5.5 Pro for better value (71% cheaper at scale).
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