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Claude Fable 5 vs GPT-5.5 — Premium AI Pricing

GPT-5.5 is 50% cheaper on input and 40% cheaper on output. Both have ~1M context. Compare the premium OpenAI and Anthropic models side by side.

Pricing data verified: Jun 27, 2026

Cheapest Input
GPT-5.5
$5.00 vs $10.00 per 1M tokens
Best Context
GPT-5.5
1.05M vs 1M tokens
Best Value
GPT-5.5
50% cheaper input, 40% cheaper output

All Premium Models Compared

The premium AI models from major providers, ranked by input price.

ModelProviderTierInput (per 1M)Output (per 1M)Context
GPT-5 OpenAI Premium $1.25 $10.00 272K
Claude Opus 4.8 Anthropic Premium $5.00 $25.00 1M
GPT-5.5 OpenAI Premium $5.00 $30.00 1.05M
Claude Fable 5 Anthropic Premium $10.00 $50.00 1M
GPT-5.5 Pro OpenAI Premium $30.00 $180.00 1.05M

Calculate Your Exact Costs

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vs
OpenAI
GPT-5.5
$0.00
per month
Input cost$0.00
Output cost$0.00
Per request$0.00
Anthropic
Claude Fable 5
$0.00
per month
Input cost$0.00
Output cost$0.00
Per request$0.00
Enter your usage above to see savings.

Which Should You Choose?

Chatbot / Customer Support

High volume, short responses. Cost per message matters most.

Pick GPT-5.5: At $5.00/$30.00 it's 50% cheaper on input. At 1M requests/month: $350 vs $600.

Code Generation

Complex reasoning, longer outputs. Quality and accuracy matter.

Pick GPT-5.5: 50% cheaper input at $5.00 vs $10.00 with slightly more context (1.05M vs 1M). Excellent coding capabilities.

Complex Reasoning

Multi-step analysis, research tasks, and problems requiring deep logical reasoning.

Pick Fable 5: Anthropic's safety-first approach and nuanced reasoning. The premium is justified for complex analytical tasks requiring careful reasoning.

Creative Writing

Long-form content, nuanced storytelling, and tasks requiring superior style and voice.

Pick Fable 5: Anthropic's models excel at nuanced creative writing with superior style and voice. The quality difference justifies the premium for creative work.

Enterprise / Safety-Critical

Regulated industries, strict compliance, Anthropic's safety guarantees required.

Pick Fable 5: Anthropic's safety-first approach and enterprise compliance. The premium is justified for regulated and safety-critical workloads.

Cost-Sensitive at Scale

High-volume deployments where cost efficiency is paramount.

Pick GPT-5.5: 50% input savings ($5.00/1M tokens) adds up significantly at scale. $250/month savings at 1M tokens/month.

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Frequently Asked Questions

Is Claude Fable 5 or GPT-5.5 cheaper?

GPT-5.5 is cheaper. It costs $5.00/$30.00 per 1M tokens while Claude Fable 5 costs $10.00/$50.00. That's 50% cheaper on input and 40% cheaper on output. At 1M tokens/month, GPT-5.5 costs $350 vs Fable 5's $600 — saving $250/month.

Which is better for coding: Claude Fable 5 or GPT-5.5?

Both are top-tier for coding. GPT-5.5 at $5.00 input is 50% cheaper with a 1.05M context window. Claude Fable 5 at $10.00 input has Anthropic's safety-first approach and excels at nuanced reasoning. Choose GPT-5.5 for cost-efficiency, Fable 5 for complex reasoning requiring Anthropic's approach.

What is the context window difference between Claude Fable 5 and GPT-5.5?

Claude Fable 5 has a 1M token context window, while GPT-5.5 has a 1.05M token context window. GPT-5.5 has slightly more context (5% more), but both are in the same league for handling large documents and codebases.

Claude Fable 5 vs GPT-5.5 for enterprise?

For enterprise use, GPT-5.5 offers significantly better value at 50% lower input cost ($5.00 vs $10.00). Claude Fable 5 provides Anthropic's safety-first approach. Many enterprises use both: GPT-5.5 for cost-sensitive workloads, Fable 5 for safety-critical applications.

Is Claude Fable 5 worth the premium over GPT-5.5?

Claude Fable 5 is worth the premium for specific use cases: complex multi-step reasoning requiring Anthropic's safety guarantees, nuanced creative writing, and enterprise applications where Anthropic's compliance features are needed. For general-purpose tasks, GPT-5.5 at 50% lower input cost provides better value.

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