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Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) vs GPT-5.5 (xhigh): The Ultimate Performance & Pricing Comparison

Deep dive into reasoning, benchmarks, and latency insights.

The Final Verdict in the Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) vs GPT-5.5 (xhigh) Showdown

Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) takes this matchup on raw intelligence and reasoning. Pick GPT-5.5 (xhigh) when faster response times and cost-efficiency matters more.

Model Snapshot

Key decision metrics at a glance.

Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)GPT-5.5 (xhigh)
6.0
Reasoning
6.0
8.0
Coding
7.0
5.0
Multimodal
5.0
7.0
Long Context
7.0
$0.020
Blended Price / 1M tokens
$0.011
1000ms
P95 Latency
1000ms
71
Tokens per second

Data provided by artificialanalysis.ai

Overall Capabilities

This radar chart visually maps the core capabilities (reasoning, coding, math proxy, multimodal, long context) of `Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)` vs `GPT-5.5 (xhigh)`.

IntelligenceCodingMathMultimodalLong Context
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)GPT-5.5 (xhigh)

Benchmark Breakdown

This grouped bar chart provides a side-by-side comparison for each benchmark metric.

Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)GPT-5.5 (xhigh)

Speed & Latency

Lower time to first token is better; higher tokens per second is better.

Time to First Token · Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
300ms
Time to First Token · GPT-5.5 (xhigh)
300ms
Tokens per Second · Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
70.509
Tokens per Second · GPT-5.5 (xhigh)
53
Head to the playground to validate these results yourself

The Economics of Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) vs GPT-5.5 (xhigh)

Pricing Breakdown

Compare input and output pricing at a glance.

Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)GPT-5.5 (xhigh)

Real-World Cost Scenario

Per run: 1M input tokens + 250k output tokens

Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)$0.022

GPT-5.5 (xhigh)$0.013

GPT-5.5 (xhigh) costs $0.010 less per run

Review the complete pricing and packaging strategy

Which Model Wins the Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) vs GPT-5.5 (xhigh) Battle for You?

Choose Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) if...

  • Stronger coding (8.0 vs 7.0)

Choose GPT-5.5 (xhigh) if...

  • Cheaper input ($0.01 vs $0.01)
  • Cheaper output ($0.03 vs $0.05)

Your Questions about the Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) vs GPT-5.5 (xhigh) Comparison

Is `Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)` a direct replacement for `GPT-5.5 (xhigh)`?

Based on our Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) vs GPT-5.5 (xhigh) analysis, they serve different niches. Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) is positioned as a more powerful option, but GPT-5.5 (xhigh)'s distinct advantages in areas like speed or cost ensure it remains relevant.

For coding, which is better in the `Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) vs GPT-5.5 (xhigh)` debate?

The benchmark data in our Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) vs GPT-5.5 (xhigh) comparison shows Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) has a clear advantage, scoring 80 on LiveCodeBench versus 70.

How was this `Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) vs GPT-5.5 (xhigh)` comparison conducted?

Our Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) vs GPT-5.5 (xhigh) comparison uses standardized benchmark data and pricing information directly from the model creators to ensure objectivity and accuracy.