Claude Opus 4.7 vs Grok 4.20 (Beta Reasoning)
Wins 2 of 3 areas
Coding · Images and charts
Wins 0 of 3 areas
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Claude Opus 4.7 is the stronger all-rounder.
Scores updated · 4 tests both models report · How we compare
Where each one wins
Tests won in each of the three 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.
Coding, reasoning and images and charts rest on a single test each.
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.
Every test, side by side
All 4 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingClaude Opus 4.7
- LMArena · WebDevClaude Opus 4.7 by 183 rating points15581375+183 rating
Images and chartsClaude Opus 4.7
- LMArena · VisionClaude Opus 4.7 by 50 rating points13131263+50 rating
Other results1 test, 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.
- Finance Agent v2Claude Opus 4.7 by 2351.528.5+23
Questions people ask
Which is better, Claude Opus 4.7 or Grok 4.20 (Beta Reasoning)?
Claude Opus 4.7 wins two of the three areas where both have results: coding and images and charts. Grok 4.20 (Beta Reasoning) wins none. They are level on reasoning.
Which is better for coding?
Claude Opus 4.7. It wins the one coding test both models report.
How do you compare the two?
We use the 4 benchmark tests both models have published scores on. The verdict counts the 3 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 1 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.