DeepSeek V4 Pro vs Grok 4 for debugging: which is better in 2026?
A head-to-head look at DeepSeek V4 Pro and Grok 4 for debugging. Benchmarks via artificialanalysis.ai, pricing as of May 2026. Compare AI models like these inside Admix.
Quick verdict
For debugging in May 2026, DeepSeek V4 Pro edges out Grok 4 on the codingIndex metric. Cheapest frontier-class pricing.
Side-by-side specs
| Spec | DeepSeek | Grok |
|---|---|---|
| Intelligence index | 72.8 | 73.9 |
| Coding index | 74.5 | 70.2 |
| Context window | 256K tokens | 256K tokens |
| Speed (tok/s) | 120 | 198 |
| Input $/M | $0.27 | $3.00 |
| Output $/M | $1.10 | $15.00 |
| Released | Mar 4, 2026 | Jan 22, 2026 |
How they handle debugging
DeepSeek V4 Pro: Cheapest frontier-class pricing. The main caveat is weaker english creative writing.
Grok 4: Fastest tokens per second among flagships. The main caveat is behind on coding benchmarks.
Cost per 1,000 queries
Assuming 1,500 input and 800 output tokens per query:
- DeepSeek V4 Pro: $1.29 per 1,000 queries
- Grok 4: $16.50 per 1,000 queries
Verdict by sub-task
- Best raw quality on debugging:
- Best price: DeepSeek V4 Pro
- Longest context: DeepSeek V4 Pro
- Fastest: Grok 4
FAQ
Is DeepSeek V4 Pro better than Grok 4 for debugging?
On May 2026 benchmarks (artificialanalysis.ai), DeepSeek V4 Pro ranks higher than Grok 4 for debugging on the codingIndex metric. The gap is small enough that the choice often comes down to price, context length, and tone.
Which is cheaper, DeepSeek V4 Pro or Grok 4?
DeepSeek V4 Pro costs $0.27 input and $1.10 output per million tokens. Grok 4 costs $3.00 input and $15.00 output per million tokens.
Can I use both DeepSeek and Grok in one app?
Yes. Admix is a multi model AI chat aggregator that lets you run DeepSeek V4 Pro and Grok 4 side by side under one subscription.
Sources
Benchmarks from artificialanalysis.ai (May 2026).
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