Claude Fable 5 vs Gemini 3 Pro
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 3 Pro by Google wins on 4 of 9 benchmarks against Claude Fable 5 by Anthropic, which leads on 3. 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 Gemini 3 Pro's 65.0%, while Claude Fable 5 scores 1334 on Design Arena ELO compared to Gemini 3 Pro's 1259, while Claude Fable 5 scores 1309 on Website Arena ELO compared to Gemini 3 Pro's 1265.
Reasoning: In reasoning, Gemini 3 Pro scores 91.9% on GPQA Diamond compared to Claude Fable 5's 83.8%.
Context: In context, both score 1.0M on Context Length.
Pricing Comparison
Claude Fable 5 costs $10.0/1M input tokens and $50.0/1M output tokens, while Gemini 3 Pro costs $2.0/1M input and $12.0/1M output. Gemini 3 Pro is the more affordable option for API usage.
Speed Comparison
Claude Fable 5 generates output at 60 tok/s compared to Gemini 3 Pro's 60 tok/s, and the time to first token is 81680 ms for Claude Fable 5 versus 450 ms for Gemini 3 Pro. Both models offer similar output speed.
Verdict
For developers prioritizing coding, Claude Fable 5 has the edge. For those who value affordability, Gemini 3 Pro is the stronger choice.
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Claude Fable 5 vs Gemini 3 Pro — FAQ
Which is better, Claude Fable 5 or Gemini 3 Pro?
Gemini 3 Pro wins on more benchmarks overall (4 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude Fable 5 compare to Gemini 3 Pro for coding?
Claude Fable 5 is better for coding, scoring 95.0% on SWE-bench Verified compared to 65.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude Fable 5 cheaper than Gemini 3 Pro?
Yes, Gemini 3 Pro is cheaper. Claude Fable 5 costs $10.0/1M input and $50.0/1M output tokens. Gemini 3 Pro costs $2.0/1M input and $12.0/1M output tokens.
Which is faster, Claude Fable 5 or Gemini 3 Pro?
Both models generate output at the same speed of 60 tok/s.
What benchmarks does the Claude Fable 5 vs Gemini 3 Pro comparison cover?
This comparison covers 9 benchmarks including SWE-bench Verified, GPQA Diamond, Output Speed, Time to First Token, Input Cost, Output Cost, Context Length, Design Arena ELO, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.