Claude 3.5 Haiku vs Gemini 3 Pro

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

Gemini 3 Pro by Google wins on 10 of 14 benchmarks against Claude 3.5 Haiku by Anthropic, which leads on 4. 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 3 Pro scores 1492 on Chatbot Arena ELO compared to Claude 3.5 Haiku's 1180, while Gemini 3 Pro scores 89.8% on MMLU-Pro compared to Claude 3.5 Haiku's 60.0%.

Coding: In coding, Gemini 3 Pro scores 91.0% on HumanEval+ compared to Claude 3.5 Haiku's 74.0%, while Gemini 3 Pro scores 65.0% on SWE-bench Verified compared to Claude 3.5 Haiku's 22.0%, while Gemini 3 Pro scores 72.0% on LiveCodeBench compared to Claude 3.5 Haiku's 28.0%.

Math: In math, Gemini 3 Pro scores 92.0% on MATH compared to Claude 3.5 Haiku's 62.0%, while Gemini 3 Pro scores 97.5% on GSM8K compared to Claude 3.5 Haiku's 84.0%.

Reasoning: In reasoning, Gemini 3 Pro scores 91.9% on GPQA Diamond compared to Claude 3.5 Haiku's 35.0%, while Gemini 3 Pro scores 54.0% on ARC-AGI compared to Claude 3.5 Haiku's 12.0%.

Context: In context, Gemini 3 Pro scores 1.0M on Context Length compared to Claude 3.5 Haiku's 200K.

Pricing Comparison

Claude 3.5 Haiku costs $0.80/1M input tokens and $4.0/1M output tokens, while Gemini 3 Pro costs $2.0/1M input and $12.0/1M output. Claude 3.5 Haiku is the more affordable option for API usage.

Speed Comparison

Claude 3.5 Haiku generates output at 170 tok/s compared to Gemini 3 Pro's 60 tok/s, and the time to first token is 100 ms for Claude 3.5 Haiku versus 450 ms for Gemini 3 Pro. Claude 3.5 Haiku delivers faster throughput.

Verdict

For developers prioritizing affordability and speed, Claude 3.5 Haiku has the edge. For those who value coding and general intelligence and math, Gemini 3 Pro is the stronger choice.

Claude 3.5 Haiku vs Gemini 3 Pro — FAQ

Which is better, Claude 3.5 Haiku or Gemini 3 Pro?

Gemini 3 Pro wins on more benchmarks overall (10 vs 4). However, the best choice depends on your specific needs — each model excels in different areas.

How does Claude 3.5 Haiku compare to Gemini 3 Pro for coding?

Gemini 3 Pro is better for coding, scoring 65.0% on SWE-bench Verified compared to 22.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.

Is Claude 3.5 Haiku cheaper than Gemini 3 Pro?

Yes, Claude 3.5 Haiku is cheaper. Claude 3.5 Haiku costs $0.80/1M input and $4.0/1M output tokens. Gemini 3 Pro costs $2.0/1M input and $12.0/1M output tokens.

Which is faster, Claude 3.5 Haiku or Gemini 3 Pro?

Claude 3.5 Haiku is faster, generating output at 170 tok/s compared to 60 tok/s. Faster output speed means shorter wait times for API responses.

What benchmarks does the Claude 3.5 Haiku vs Gemini 3 Pro comparison cover?

This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, LiveCodeBench, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.