DeepSeek V4 Pro vs Grok 4.3: Benchmarks, Pricing & Capabilities Compared
TL;DR — DeepSeek V4 Pro wins for general use · Grok 4.3 wins for general use.
DeepSeek V4 Pro DeepSeek
- Released
- 2026-04-24
- Context window
- 1M tokens
- Input price
- $1.74 / Mtok
- Output price
- $3.48 / Mtok
Grok 4.3 xAI
- Released
- 2026-04-30
- Context window
- 1M tokens
- Input price
- $1.25 / Mtok
- Output price
- $2.50 / Mtok
Benchmark comparison
| Benchmark | DeepSeek V4 Pro | Grok 4.3 |
|---|---|---|
| AA Intelligence Index | 51.5 | 53.2 ✓ |
| Chatbot Arena Elo | 1463 ✓ | 1455 |
| GPQA Diamond | 88.8% | 90.1% ✓ |
| HLE | 35.9% ✓ | 35.0% |
| IF-Bench | 76.5% | 81.3% ✓ |
| LiveCodeBench Reasoning | 66.3% ✓ | 64.3% |
| SciCode | 50.0% ✓ | 47.3% |
| TAU2-bench | 96.2% | 97.7% ✓ |
| TerminalBench-Hard | 46.2% ✓ | 37.9% |
Pricing comparison
| Metric | DeepSeek V4 Pro | Grok 4.3 |
|---|---|---|
| Input ($/Mtok) | $1.74 | $1.25 |
| Output ($/Mtok) | $3.48 | $2.50 |
| Cached input ($/Mtok) | — | — |
| Cost per 1M-token roundtrip (1M in + 1M out) | $5.22 | $3.75 |
Context window & modalities
| Attribute | DeepSeek V4 Pro | Grok 4.3 |
|---|---|---|
| Context window | 1M tokens | 1M tokens |
| Input modalities | text | text, image |
| Output modalities | text | text |
| Knowledge cutoff | — | — |
Verdict by use case
Coding
Insufficient data
Basis: SWE-bench
No shared coding benchmark.
Reasoning
→ Grok 4.3
Basis: GPQA Diamond
DeepSeek V4 Pro 88.8% vs Grok 4.3 90.1% on GPQA Diamond.
Math
Insufficient data
Basis: MATH / AIME
No shared math benchmark.
Long context
Tie
Basis: Context window
DeepSeek V4 Pro 1M tokens vs Grok 4.3 1M tokens.
Cost
→ Grok 4.3
Basis: Input $/Mtok
DeepSeek V4 Pro $1.74/Mtok vs Grok 4.3 $1.25/Mtok input.
Changelog & releases
DeepSeek V4 Pro
Released 2026-04-24
Grok 4.3
Released 2026-04-30