DeepSeek-V3.2-Exp vs Grok-4 Fast Reasoning Comparison

Comparing DeepSeek-V3.2-Exp and Grok-4 Fast Reasoning across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

DeepSeek-V3.2-Exp and Grok-4 Fast Reasoning don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Grok-4 Fast Reasoning costs less

For input processing, DeepSeek-V3.2-Exp ($0.27/1M tokens) is 1.4x more expensive than Grok-4 Fast Reasoning ($0.20/1M tokens).

For output processing, DeepSeek-V3.2-Exp ($0.41/1M tokens) is 1.2x cheaper than Grok-4 Fast Reasoning ($0.50/1M tokens).

In conclusion, DeepSeek-V3.2-Exp is more expensive than Grok-4 Fast Reasoning.*

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

Lowest available price from all providers
Tue Mar 17 2026 • llm-stats.com
DeepSeek
DeepSeek-V3.2-Exp
Input tokens$0.27
Output tokens$0.41
Best providerNovita
xAI
Grok-4 Fast Reasoning
Input tokens$0.20
Output tokens$0.50
Best providerxAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Grok-4 Fast Reasoning accepts 2,000,000 input tokens compared to DeepSeek-V3.2-Exp's 163,840 tokens. DeepSeek-V3.2-Exp can generate longer responses up to 65,536 tokens, while Grok-4 Fast Reasoning is limited to 30,000 tokens.

DeepSeek
DeepSeek-V3.2-Exp
Input163,840 tokens
Output65,536 tokens
xAI
Grok-4 Fast Reasoning
Input2,000,000 tokens
Output30,000 tokens
Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-4 Fast Reasoning supports multimodal inputs, whereas DeepSeek-V3.2-Exp does not.

Grok-4 Fast Reasoning can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek-V3.2-Exp

Text
Images
Audio
Video

Grok-4 Fast Reasoning

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V3.2-Exp is licensed under MIT, while Grok-4 Fast Reasoning uses a proprietary license.

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

DeepSeek-V3.2-Exp

MIT

Open weights

Grok-4 Fast Reasoning

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V3.2-Exp was released on 2025-09-29, while Grok-4 Fast Reasoning was released on 2025-08-28.

DeepSeek-V3.2-Exp is 1 month newer than Grok-4 Fast Reasoning.

DeepSeek-V3.2-Exp

Sep 29, 2025

5 months ago

1mo newer
Grok-4 Fast Reasoning

Aug 28, 2025

6 months ago

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-V3.2-Exp is available from Novita. Grok-4 Fast Reasoning is available from xAI. The availability of providers can affect quality of the model and reliability.

DeepSeek-V3.2-Exp

novita logo
Novita
Input Price:Input: $0.27/1MOutput Price:Output: $0.41/1M

Grok-4 Fast Reasoning

xai logo
xAI
Input Price:Input: $0.20/1MOutput Price:Output: $0.50/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Less expensive output tokens
Has open weights
Larger context window (2,000,000 tokens)
Supports multimodal inputs
Less expensive input tokens

Detailed Comparison

AI Model Comparison Table
Feature
DeepSeek
DeepSeek-V3.2-Exp
xAI
Grok-4 Fast Reasoning