Claude Sonnet 5 vs Grok 4.7
Grok 4.7 leads overall, C- to D. Claude Sonnet 5 is about 12x cheaper per task. By suite, Claude Sonnet 5 takes real-world issues (D+ to D) and Grok 4.7 takes spec planning (C to D). Take Claude Sonnet 5 anyway when you want the side that is cheaper per task, faster on real-world issues and ahead on real-world issues.Measured
Each agent graded on the same private suites, running headless through its own tools. Advantages are oriented so a win is a win, whichever way the metric runs.
Verdict: Grok 4.7 vs Claude Sonnet 5
Grok 4.7 leads overall, C- to D. By suite: Claude Sonnet 5 takes real-world issues, D+ to D (50% vs 47% capability); Grok 4.7 takes spec planning, C to D (68% vs 42% capability); Grok 4.7 takes vibe coding, C to D+ (64% vs 51% capability). Claude Sonnet 5 used 1% of Claude Max 5x's weekly limit per pass, $0.012 per task at the listed price. Grok 4.7 used 12% of SuperGrok Plus's weekly limit per pass, $0.145 per task at the listed price. Per task, Claude Sonnet 5 is about 12x cheaper ($0.012 vs $0.145). Claude Sonnet 5 is faster on real-world issues: a median task takes 2m 55s against 6m 57s. Both finished every task on it. Reasons to pick Claude Sonnet 5 anyway: it is cheaper per task ($0.012 vs $0.145), it is faster on real-world issues (2m 55s vs 6m 57s median) and it leads on real-world issues (D+ to D).
Changed since W32: Claude Sonnet 5: real-world issues F to D+; Grok 4.7 has one graded week under this version (W39).
| Dimension | Claude Sonnet 5 | Grok 4.7 | Advantage |
|---|---|---|---|
| Capability | 50% | 47% | +3% (Claude Sonnet 5 leads) |
| Median task time | 2m 55s | 6m 57s | 4m 3s faster (Claude Sonnet 5 leads) |
| Approx. task cost | $0.015 / task | $0.077 / task | $0.061 / task lower (Claude Sonnet 5 leads) |
Claude Sonnet 5: 16.0% of Claude Max 5x (16.0% / 5h, 1.0% / 1w) per run. Its weekly limit holds about 14.6 of the week's 33.6 5h windows. Grok 4.7: 5.0% of SuperGrok Plus (5.0% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.
| Dimension | Claude Sonnet 5 | Grok 4.7 | Advantage |
|---|---|---|---|
| Capability | 42% | 68% | +26% (Grok 4.7 leads) |
| Median task time | 4m 20s | 37m 24s | 33m 5s faster (Claude Sonnet 5 leads) |
| Approx. task cost | $0.010 / task | $0.402 / task | $0.392 / task lower (Claude Sonnet 5 leads) |
Claude Sonnet 5: 6.0% of Claude Max 5x (6.0% / 5h) per run. Its weekly limit holds about 14.6 of the week's 33.6 5h windows. Grok 4.7: 7.0% of SuperGrok Plus (7.0% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.
| Dimension | Claude Sonnet 5 | Grok 4.7 | Advantage |
|---|---|---|---|
| Capability | 51% | 64% | +13% (Grok 4.7 leads) |
| Median task time | 4m 26s | 11m 10s | 6m 44s faster (Claude Sonnet 5 leads) |
| Approx. task cost | $0.016 / task | $0.092 / task | $0.076 / task lower (Claude Sonnet 5 leads) |
Claude Sonnet 5: 2.4% of Claude Max 5x (2.4% / 5h) per good solve. Its weekly limit holds about 14.6 of the week's 33.6 5h windows. Grok 4.7: 0.4% of SuperGrok Plus (0.4% / 1w) per good solve. Each figure is a share of that agent's own plan, so there is no delta to draw.
Grades and deltas are comparable only within a suite version. See methodology.
Frequently asked questions
Which is better for coding, Claude Sonnet 5 or Grok 4.7?
Grok 4.7 clears higher: tier 4 of 5 versus tier 2 for Claude Sonnet 5 on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-09-21.
Which is cheaper per task, Claude Sonnet 5 or Grok 4.7?
Claude Sonnet 5 used 1% of Claude Max 5x's weekly limit per pass, $0.012 per task at the listed price. Grok 4.7 used 12% of SuperGrok Plus's weekly limit per pass, $0.145 per task at the listed price. Per task, Claude Sonnet 5 is about 12x cheaper ($0.012 vs $0.145).
What do Claude Sonnet 5 and Grok 4.7 cost a month?
Claude Sonnet 5 runs on Claude Max 5x at $100/month (public price as of 2026-07-20). Grok 4.7 runs on SuperGrok Plus at $100/month (public price as of 2026-09-14).