DeepSeek V4 Pro vs Grok 4.5
Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Grok 4.5 leads for most workloads.
Based on BenchLM composite scores, July 2026.
DeepSeek V4 Pro
64
Grok 4.5
75
Verified leaderboard positions: DeepSeek V4 Pro #34 · Grok 4.5 unranked
Pick Grok 4.5 if you want the stronger benchmark profile. DeepSeek V4 Pro only becomes the better choice if you want the cheaper token bill or you need the larger 1M context window.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | DeepSeek V4 Pro | Δ | Grok 4.5 |
|---|---|---|---|
| Agentic | 59.1 | → 24.2 | 83.3 |
| Coding | 58.8 | → 5.9 | 64.7 |
| Knowledge | 41.7 | — | — |
| Math | 31.7 | — | — |
Operational Comparison
DeepSeek V4 Pro
Grok 4.5
$1.74 / $3.48
$2 / $6
N/A
N/A
N/A
N/A
1M
500K
Quick Verdict
Pick Grok 4.5 if you want the stronger benchmark profile. DeepSeek V4 Pro only becomes the better choice if you want the cheaper token bill or you need the larger 1M context window.
Grok 4.5 is clearly ahead on the provisional aggregate, 75 to 64. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok 4.5's sharpest advantage is in agentic, where it averages 83.3 against 59.1. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 59.1% to 83.3%.
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. Grok 4.5 is the reasoning model in the pair, while DeepSeek V4 Pro is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. DeepSeek V4 Pro 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 or Grok 4.5?
Grok 4.5 is ahead on BenchLM's provisional leaderboard, 75 to 64. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 59.1% and 83.3%.
Which is better for coding, DeepSeek V4 Pro or Grok 4.5?
Grok 4.5 has the edge for coding in this comparison, averaging 64.7 versus 58.8. 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 or Grok 4.5?
Grok 4.5 has the edge for agentic tasks in this comparison, averaging 83.3 versus 59.1. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Related Comparisons
Explore More
The AI models change fast. We track them for you.
For engineers, researchers, and the plain curious — a weekly brief on new models, ranking shifts, and pricing changes.
Free. No spam. Unsubscribe anytime.