Gemini 3 Pro vs GPT-5.6 Terra

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

Gemini 3 Pro by Google and GPT-5.6 Terra by OpenAI are evenly matched across 4 benchmarks. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

Reasoning: In reasoning, Gemini 3 Pro scores 91.9% on GPQA Diamond compared to GPT-5.6 Terra's 89.0%.

Context: In context, GPT-5.6 Terra scores 1.1M on Context Length compared to Gemini 3 Pro's 1.0M.

Pricing Comparison

Gemini 3 Pro costs $2.0/1M input tokens and $12.0/1M output tokens, while GPT-5.6 Terra costs $2.0/1M input and $12.0/1M output. Both models are priced identically for input tokens.

Verdict

Gemini 3 Pro and GPT-5.6 Terra are closely matched. The best choice depends on your specific use case and priorities.

Gemini 3 Pro vs GPT-5.6 Terra — FAQ

Which is better, Gemini 3 Pro or GPT-5.6 Terra?

Gemini 3 Pro and GPT-5.6 Terra are evenly matched across benchmarks. The best choice depends on your specific priorities such as coding ability, speed, or pricing.

How does Gemini 3 Pro compare to GPT-5.6 Terra for coding?

SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.

Is Gemini 3 Pro cheaper than GPT-5.6 Terra?

Both models are priced the same at $2.0/1M input tokens. Gemini 3 Pro output costs $12.0/1M and GPT-5.6 Terra output costs $12.0/1M.

Which is faster, Gemini 3 Pro or GPT-5.6 Terra?

Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.

What benchmarks does the Gemini 3 Pro vs GPT-5.6 Terra comparison cover?

This comparison covers 4 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.