Claude 3 Opus vs Claude Fable 5.1
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Claude Fable 5.1 by Anthropic wins on 4 of 4 benchmarks against Claude 3 Opus by Anthropic, which leads on 0. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
Reasoning: In reasoning, Claude Fable 5.1 scores 90.0% on GPQA Diamond compared to Claude 3 Opus's 59.4%.
Context: In context, Claude Fable 5.1 scores 1.0M on Context Length compared to Claude 3 Opus's 200K.
Pricing Comparison
Claude 3 Opus costs $15.0/1M input tokens and $75.0/1M output tokens, while Claude Fable 5.1 costs $10.0/1M input and $50.0/1M output. Claude Fable 5.1 is the more affordable option for API usage.
Verdict
Claude Fable 5.1 leads across the board in affordability, making it the stronger overall choice in this comparison.
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Claude 3 Opus vs Claude Fable 5.1 — FAQ
Which is better, Claude 3 Opus or Claude Fable 5.1?
Claude Fable 5.1 wins on more benchmarks overall (4 vs 0). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude 3 Opus compare to Claude Fable 5.1 for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is Claude 3 Opus cheaper than Claude Fable 5.1?
Yes, Claude Fable 5.1 is cheaper. Claude 3 Opus costs $15.0/1M input and $75.0/1M output tokens. Claude Fable 5.1 costs $10.0/1M input and $50.0/1M output tokens.
Which is faster, Claude 3 Opus or Claude Fable 5.1?
Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.
What benchmarks does the Claude 3 Opus vs Claude Fable 5.1 comparison cover?
This comparison covers 4 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.