Claude 3 Opus vs Claude Fable 5
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Claude Fable 5 by Anthropic wins on 6 of 7 benchmarks against Claude 3 Opus by Anthropic, which leads on 1. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
Coding: In coding, Claude Fable 5 scores 95.0% on SWE-bench Verified compared to Claude 3 Opus's 22.0%.
Reasoning: In reasoning, Claude Fable 5 scores 92.6% on GPQA Diamond compared to Claude 3 Opus's 59.4%.
Context: In context, Claude Fable 5 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 costs $10.0/1M input and $50.0/1M output. Claude Fable 5 is the more affordable option for API usage.
Speed Comparison
Claude 3 Opus generates output at 25 tok/s compared to Claude Fable 5's 60 tok/s, and the time to first token is 800 ms for Claude 3 Opus versus 81680 ms for Claude Fable 5. Claude Fable 5 delivers faster throughput.
Verdict
Claude Fable 5 leads across the board in coding, affordability, speed, making it the stronger overall choice in this comparison.
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Claude 3 Opus vs Claude Fable 5 — FAQ
Which is better, Claude 3 Opus or Claude Fable 5?
Claude Fable 5 wins on more benchmarks overall (6 vs 1). 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 for coding?
Claude Fable 5 is better for coding, scoring 95.0% on SWE-bench Verified compared to 22.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude 3 Opus cheaper than Claude Fable 5?
Yes, Claude Fable 5 is cheaper. Claude 3 Opus costs $15.0/1M input and $75.0/1M output tokens. Claude Fable 5 costs $10.0/1M input and $50.0/1M output tokens.
Which is faster, Claude 3 Opus or Claude Fable 5?
Claude Fable 5 is faster, generating output at 60 tok/s compared to 25 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude 3 Opus vs Claude Fable 5 comparison cover?
This comparison covers 7 benchmarks including GPQA Diamond, SWE-bench Verified, Output Speed, Time to First Token, Input Cost, Output Cost, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.