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Claude Fable 5.1 vs GPT-4o Mini

Compare Claude Fable 5.1 vs GPT-4o Mini API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.

AI Overview & Search Executive Summary

Claude Fable 5.1 charges $10.00/1M input and $50.00/1M output tokens, compared to GPT-4o Mini at $0.15/1M input and $0.60/1M output. GPT-4o Mini is 66.7x cheaper on input tokens. In reasoning benchmarks, Claude Fable 5.1 holds the higher AA Intelligence Index rating. For latency-critical streaming, throughput figures are not yet measured for at least one of these models.

Overall Winner
GPT-4o Mini
Best Price/IQ Balance
Budget Winner
GPT-4o Mini
GPT-4o Mini is 66.7x cheaper on input tokens
Coding & Logic
Claude Fable 5.1
Higher Benchmark Rating
Context Window
Claude Fable 5.1
Larger Document Context

Full Metric & Specification Comparison

MetricClaude Fable 5.1GPT-4o MiniAdvantage
ProviderAnthropicOpenAI-
Input Token Cost (1M)$10.000$0.150GPT-4o Mini
Output Token Cost (1M)$50.000$0.600GPT-4o Mini
Context Window1,000k tokens128k tokensClaude Fable 5.1
AA Intelligence Index49/100UnratedUnrated
Streaming LatencyModerateUnrated-

Key Architectural Takeaways

  • Input Token Cost: Claude Fable 5.1 is $10.00/1M vs GPT-4o Mini at $0.15/1M
  • Output Token Cost: Claude Fable 5.1 is $50.00/1M vs GPT-4o Mini at $0.60/1M
  • Context Window: Claude Fable 5.1 supports 1,000k tokens vs GPT-4o Mini with 128k tokens
  • Benchmark Intelligence Rating: not rated for one or both models
  • Inference Latency: Claude Fable 5.1 is rated Moderate vs GPT-4o Mini rated null
Interactive Head-to-Head Simulator

Calculate Your Team's Exact Bill Difference

Drag the sliders below to see real-time cost divergences based on your daily token consumption.

Daily Input Tokens500,000 tokens
10k1M5M10M+
Daily Output Tokens250,000 tokens
5k500k2M5M+
Claude Fable 5.1Anthropic
$525.00/mo
$10.00/1M in · $50.00/1M out
IQ Score49/100
Throughput88 t/s
Context1000k
GPT-4o MiniOpenAI
98.7% Lower Cost
$6.75/mo
$0.15/1M in · $0.60/1M out
IQ ScoreUnrated
Throughput— t/s
Context128k
Net Financial Advantage

Deploying GPT-4o Mini over Claude Fable 5.1 saves $518.25/mo ($6219/yr) at this volume.

See all Claude Fable 5.1 alternatives →

Frequently Asked Questions

Is Claude Fable 5.1 cheaper than GPT-4o Mini?

GPT-4o Mini is significantly more economical, charging $0.15/1M input compared to $10.00/1M for Claude Fable 5.1.

Which model should I choose for production?

If your primary constraint is API cost and high query throughput, choose GPT-4o Mini. If you require peak reasoning accuracy and complex tool use, Claude Fable 5.1 is recommended.

How does context window compare between Claude Fable 5.1 and GPT-4o Mini?

Claude Fable 5.1 offers the larger context window (1,000k tokens), allowing you to pass significantly larger codebases or documents without chunking.

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