Model Comparison

DeepSeek-V4-Pro-Max vs Grok 4.3Which is better in 2026?

DeepSeek-V4-Pro-Max significantly outperforms across most benchmarks. Grok 4.3 is 1.3x cheaper per token.

Verdict: DeepSeek-V4-Pro-Max vs Grok 4.3 — which is better?

DeepSeek-V4-Pro-Max (by DeepSeek) and Grok 4.3 (by xAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

DeepSeek-V4-Pro-Max outperforms in 1 benchmarks (GDPval-AA), while Grok 4.3 is better at 0 benchmarks. DeepSeek-V4-Pro-Max significantly outperforms across most benchmarks.

On price, Grok 4.3 is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

DeepSeek-V4-Pro-Max also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose DeepSeek-V4-Pro-Max if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you process long inputs — it offers a 1,048,576 token context window
  • you need open weights you can self-host or fine-tune

Choose Grok 4.3 if…

  • cost matters — it's about 1.3x cheaper per token
  • you want the most recent training data — it shipped May 2026

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

DeepSeek-V4-Pro-Max outperforms in 1 benchmarks (GDPval-AA), while Grok 4.3 is better at 0 benchmarks.

DeepSeek-V4-Pro-Max significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Grok 4.3 costs less

For input processing, DeepSeek-V4-Pro-Max ($1.60/1M tokens) is 1.3x more expensive than Grok 4.3 ($1.25/1M tokens).

For output processing, DeepSeek-V4-Pro-Max ($3.20/1M tokens) is 1.3x more expensive than Grok 4.3 ($2.50/1M tokens).

In conclusion, DeepSeek-V4-Pro-Max is more expensive than Grok 4.3.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Jul 17 2026 • llm-stats.com
DeepSeek
DeepSeek-V4-Pro-Max
Input tokens$1.60
Output tokens$3.20
Best providerNovita
xAI
Grok 4.3
Input tokens$1.25
Output tokens$2.50
Best providerxAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

DeepSeek-V4-Pro-Max accepts 1,048,576 input tokens compared to Grok 4.3's 1,000,000 tokens. Only DeepSeek-V4-Pro-Max specifies output context (131,072 tokens).

DeepSeek
DeepSeek-V4-Pro-Max
Input1,048,576 tokens
Output131,072 tokens
xAI
Grok 4.3
Input1,000,000 tokens
Output- tokens
Fri Jul 17 2026 • llm-stats.com

License

Usage and distribution terms

DeepSeek-V4-Pro-Max is licensed under MIT, while Grok 4.3 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

DeepSeek-V4-Pro-Max

MIT

Open weights

Grok 4.3

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V4-Pro-Max was released on 2026-04-23, while Grok 4.3 was released on 2026-05-06.

Grok 4.3 is 0 month newer than DeepSeek-V4-Pro-Max.

DeepSeek-V4-Pro-Max

Apr 23, 2026

2 months ago

Grok 4.3

May 6, 2026

2 months ago

1w newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

DeepSeek-V4-Pro-Max is available from Novita, DeepInfra, DeepSeek, Fireworks, Together. Grok 4.3 is available from xAI.

DeepSeek-V4-Pro-Max

novita logo
Novita
Input Price:Input: $1.60/1MOutput Price:Output: $3.20/1M
deepinfra logo
Deepinfra
Input Price:Input: $1.74/1MOutput Price:Output: $3.48/1M
deepseek logo
DeepSeek
Input Price:Input: $1.74/1MOutput Price:Output: $3.48/1M
fireworks logo
Fireworks
Input Price:Input: $1.74/1MOutput Price:Output: $3.48/1M
together logo
Together
Input Price:Input: $1.74/1MOutput Price:Output: $3.48/1M

Grok 4.3

xai logo
xAI
Input Price:Input: $1.25/1MOutput Price:Output: $2.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

DeepSeek
Larger context window (1,048,576 tokens)
Has open weights
Higher GDPval-AA score (44.4% vs 36.7%)
xAI
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against DeepSeek-V4-Pro-Max and Grok 4.3 side-by-side, then vote on the output you prefer.

DeepSeek-V4-Pro-Max
✓ Preferred
Grok 4.3
Open in Playground
AI Model Comparison Table
Feature
DeepSeek
DeepSeek-V4-Pro-Max
xAI
Grok 4.3

FAQ

Common questions about DeepSeek-V4-Pro-Max vs Grok 4.3.

Which is better, DeepSeek-V4-Pro-Max or Grok 4.3?

DeepSeek-V4-Pro-Max significantly outperforms across most benchmarks. DeepSeek-V4-Pro-Max is made by DeepSeek and Grok 4.3 is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does DeepSeek-V4-Pro-Max compare to Grok 4.3 in benchmarks?

DeepSeek-V4-Pro-Max scores CodeForces: 100.0%, HMMT Feb 26: 95.2%, LiveCodeBench: 93.5%, MathArena Apex: 90.2%, GPQA: 90.1%. Grok 4.3 scores Finance Agent v2: 37.7%, GDPval-AA: 36.7%.

Is DeepSeek-V4-Pro-Max cheaper than Grok 4.3?

Grok 4.3 is 1.3x cheaper for input tokens. DeepSeek-V4-Pro-Max costs $1.60/M input and $3.20/M output via novita. Grok 4.3 costs $1.25/M input and $2.50/M output via xai.

What are the context window sizes for DeepSeek-V4-Pro-Max and Grok 4.3?

DeepSeek-V4-Pro-Max supports 1.0M tokens and Grok 4.3 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-V4-Pro-Max and Grok 4.3?

Key differences include context window (1.0M vs 1.0M), input pricing ($1.60 vs $1.25/M), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4-Pro-Max and Grok 4.3?

DeepSeek-V4-Pro-Max is developed by DeepSeek and Grok 4.3 is developed by xAI.

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