Scores updated · 2 tests both models report · How we compare
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.
GPT-5.1$1.25 to read · $10.00 to writePrice from Artificial Analysis
Grok 4 Fast RNo current price is tracked.
Every test, side by side
All 2 tests both models report. The winning score is in its model's colour; marks a score checked independently.
Other results2 tests
- matharena_visual_math_overallGPT-5.1 by 10.176.966.8+10.1
- HMMT Nov. 2025tie91.790.8tie
Questions people ask
How do you compare the two?
We use the 2 benchmark tests both models have published scores on. None of them is in the eight capability areas we count, so this page lists them without a verdict. Each score is the one shown on the model's own page.