Claude 3.5 Sonnet vs Gemini 2.5 Pro
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 2.5 Pro by Google wins on 19 of 21 benchmarks against Claude 3.5 Sonnet 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
General Intelligence: In general intelligence, Gemini 2.5 Pro scores 1465 on Chatbot Arena ELO compared to Claude 3.5 Sonnet's 1268, while Gemini 2.5 Pro scores 84.0% on MMLU-Pro compared to Claude 3.5 Sonnet's 73.0%, while Gemini 2.5 Pro scores 9.3 on MT-Bench compared to Claude 3.5 Sonnet's 9.1, while Gemini 2.5 Pro scores 88.0% on IFEval compared to Claude 3.5 Sonnet's 86.0%, while Gemini 2.5 Pro scores 84.8% on TruthfulQA compared to Claude 3.5 Sonnet's 84.2%.
Coding: In coding, Gemini 2.5 Pro scores 89.0% on HumanEval+ compared to Claude 3.5 Sonnet's 81.7%, while Gemini 2.5 Pro scores 63.8% on SWE-bench Verified compared to Claude 3.5 Sonnet's 49.0%, while Gemini 2.5 Pro scores 58.0% on LiveCodeBench compared to Claude 3.5 Sonnet's 38.0%.
Math: In math, Gemini 2.5 Pro scores 88.0% on MATH compared to Claude 3.5 Sonnet's 78.3%, while Gemini 2.5 Pro scores 95.5% on GSM8K compared to Claude 3.5 Sonnet's 91.0%.
Reasoning: In reasoning, Gemini 2.5 Pro scores 84.0% on GPQA Diamond compared to Claude 3.5 Sonnet's 59.4%, while Gemini 2.5 Pro scores 48.0% on ARC-AGI compared to Claude 3.5 Sonnet's 15.0%, while Gemini 2.5 Pro scores 94.5% on BBH compared to Claude 3.5 Sonnet's 93.1%, while Gemini 2.5 Pro scores 92.0% on Winogrande compared to Claude 3.5 Sonnet's 91.8%.
Context: In context, Gemini 2.5 Pro scores 1.0M on Context Length compared to Claude 3.5 Sonnet's 200K, while Gemini 2.5 Pro scores 95.8% on RULER compared to Claude 3.5 Sonnet's 89.5%.
Multimodal: In multimodal, Gemini 2.5 Pro scores 80.4% on MathVista compared to Claude 3.5 Sonnet's 67.7%.
Pricing Comparison
Claude 3.5 Sonnet costs $3.0/1M input tokens and $15.0/1M output tokens, while Gemini 2.5 Pro costs $1.3/1M input and $10.0/1M output. Gemini 2.5 Pro is the more affordable option for API usage.
Speed Comparison
Claude 3.5 Sonnet generates output at 70 tok/s compared to Gemini 2.5 Pro's 55 tok/s, and the time to first token is 400 ms for Claude 3.5 Sonnet versus 500 ms for Gemini 2.5 Pro. Claude 3.5 Sonnet delivers faster throughput.
Verdict
For developers prioritizing speed, Claude 3.5 Sonnet has the edge. For those who value coding and general intelligence and math and affordability, Gemini 2.5 Pro is the stronger choice.
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Claude 3.5 Sonnet vs Gemini 2.5 Pro — FAQ
Which is better, Claude 3.5 Sonnet or Gemini 2.5 Pro?
Gemini 2.5 Pro wins on more benchmarks overall (19 vs 2). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude 3.5 Sonnet compare to Gemini 2.5 Pro for coding?
Gemini 2.5 Pro is better for coding, scoring 63.8% on SWE-bench Verified compared to 49.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude 3.5 Sonnet cheaper than Gemini 2.5 Pro?
Yes, Gemini 2.5 Pro is cheaper. Claude 3.5 Sonnet costs $3.0/1M input and $15.0/1M output tokens. Gemini 2.5 Pro costs $1.3/1M input and $10.0/1M output tokens.
Which is faster, Claude 3.5 Sonnet or Gemini 2.5 Pro?
Claude 3.5 Sonnet is faster, generating output at 70 tok/s compared to 55 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude 3.5 Sonnet vs Gemini 2.5 Pro comparison cover?
This comparison covers 21 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MT-Bench, IFEval, MATH, TruthfulQA, GPQA Diamond, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.