DeepSeek V4 Pro (Max) vs Grok 4.5
Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
DeepSeek V4 Pro (Max) leads for most workloads.
Based on BenchLM composite scores, July 2026.
DeepSeek V4 Pro (Max)
80
Grok 4.5
75
Verified leaderboard positions: DeepSeek V4 Pro (Max) #9 · Grok 4.5 unranked
Pick DeepSeek V4 Pro (Max) if you want the stronger benchmark profile. Grok 4.5 only becomes the better choice if agentic is the priority.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | DeepSeek V4 Pro (Max) | Δ | Grok 4.5 |
|---|---|---|---|
| Coding | 75.9 | ← 11.2 | 64.7 |
| Agentic | 74.5 | → 8.8 | 83.3 |
| Knowledge | 60.4 | — | — |
| Math | 95.2 | — | — |
Operational Comparison
DeepSeek V4 Pro (Max)
Grok 4.5
$1.74 / $3.48
$2 / $6
N/A
N/A
N/A
N/A
1M
500K
Quick Verdict
Pick DeepSeek V4 Pro (Max) if you want the stronger benchmark profile. Grok 4.5 only becomes the better choice if agentic is the priority.
DeepSeek V4 Pro (Max) is clearly ahead on the provisional aggregate, 80 to 75. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
DeepSeek V4 Pro (Max)'s sharpest advantage is in coding, where it averages 75.9 against 64.7. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 67.9% to 83.3%. Grok 4.5 does hit back in agentic, so the answer changes if that is the part of the workload you care about most.
Grok 4.5 is also the more expensive model on tokens at $2.00 input / $6.00 output per 1M tokens, versus $1.74 input / $3.48 output per 1M tokens for DeepSeek V4 Pro (Max). DeepSeek V4 Pro (Max) gives you the larger context window at 1M, compared with 500K for Grok 4.5.
Benchmark Deep Dive
Frequently Asked Questions (3)
Which is better, DeepSeek V4 Pro (Max) or Grok 4.5?
DeepSeek V4 Pro (Max) is ahead on BenchLM's provisional leaderboard, 80 to 75. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 67.9% and 83.3%.
Which is better for coding, DeepSeek V4 Pro (Max) or Grok 4.5?
DeepSeek V4 Pro (Max) has the edge for coding in this comparison, averaging 75.9 versus 64.7. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, DeepSeek V4 Pro (Max) or Grok 4.5?
Grok 4.5 has the edge for agentic tasks in this comparison, averaging 83.3 versus 74.5. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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