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 and cost-sensitive workloads, GPT-5.5 at 50% lower input cost provides better value.

Claude Fable 5 vs GPT-5.5 — Premium AI Model Pricing 2026

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