GPT-5 Pro is the stronger all-rounder.Gemini 2.5 Pro is cheaper.
Scores updated · 6 tests both models report · How we compare
Where each one wins
Tests won in each of the two areas where both have results. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.
What it costs
Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.
Gemini 2.5 Pro costs 92% less for the same work.
The biggest differences
The tests each model wins by the widest margin, up to three each. Scores are out of 100.
Where GPT-5 Pro pulls ahead
- Unpublished advanced math problemsFrontierMath Tiers 1-3 (v2)+31.2points ahead
- Abstract visual puzzles that people can solveARC-AGI-2+13.4points ahead
- Common-sense trick questionsSimpleBench+10points ahead
Where Gemini 2.5 Pro pulls ahead
No clear win on a test scored out of 100.
Every test, side by side
All 6 tests both models report. The winning score is in its model's colour; marks a score checked independently.
ReasoningGPT-5 Pro
- ARC-AGI-2GPT-5 Pro by 13.44.918.3+13.4
- SimpleBenchGPT-5 Pro by 1051.661.6+10
MathGPT-5 Pro
- FrontierMath Tiers 1-3 (v2)GPT-5 Pro by 31.224.655.8+31.2
- FrontierMath Tier 4GPT-5 Pro by 19.5019.5+19.5
Other results2 tests, not counted
Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.
- ARC-AGI-1GPT-5 Pro by 33.23770.2+33.2
- frontiermath_tier_4_v1GPT-5 Pro by 10.44.214.6+10.4
Questions people ask
Which is better, Gemini 2.5 Pro or GPT-5 Pro?
GPT-5 Pro wins all two areas where both have results: reasoning and math. Gemini 2.5 Pro wins none, but costs 92% less.
Which is cheaper?
Gemini 2.5 Pro costs $1.25 per million input tokens and $10.00 per million output tokens; GPT-5 Pro costs $15.00 and $120.00. That makes Gemini 2.5 Pro about 92% cheaper for the same work.
How do you compare the two?
We use the 6 benchmark tests both models have published scores on. The verdict counts the 4 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 2 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.