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 3 of 7 benchmarks against Claude Fable 5 by Anthropic, which leads on 2. 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%.
Reasoning: In reasoning, Claude Fable 5 scores 92.6% on GPQA Diamond compared to Gemini 3 Pro's 91.9%.
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 (3 vs 2). 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 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.