Model Comparison

GPT-4 vs Grok-3

Grok-3 significantly outperforms across most benchmarks. Grok-3 is 6.3x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT-4 outperforms in 0 benchmarks, while Grok-3 is better at 1 benchmark (GPQA).

Grok-3 significantly outperforms across most benchmarks.

Sun Mar 29 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Grok-3 costs less

For input processing, GPT-4 ($30.00/1M tokens) is 10.0x more expensive than Grok-3 ($3.00/1M tokens).

For output processing, GPT-4 ($60.00/1M tokens) is 4.0x more expensive than Grok-3 ($15.00/1M tokens).

In conclusion, GPT-4 is more expensive than Grok-3.*

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

Lowest available price from all providers
Sun Mar 29 2026 • llm-stats.com
OpenAI
GPT-4
Input tokens$30.00
Output tokens$60.00
Best providerAzure
xAI
Grok-3
Input tokens$3.00
Output tokens$15.00
Best providerxAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Grok-3 accepts 128,000 input tokens compared to GPT-4's 32,768 tokens. GPT-4 can generate longer responses up to 32,768 tokens, while Grok-3 is limited to 8,000 tokens.

OpenAI
GPT-4
Input32,768 tokens
Output32,768 tokens
xAI
Grok-3
Input128,000 tokens
Output8,000 tokens
Sun Mar 29 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4 and Grok-3 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-4

Text
Images
Audio
Video

Grok-3

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-4

Proprietary

Closed source

Grok-3

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4 was released on 2023-06-13, while Grok-3 was released on 2025-02-17.

Grok-3 is 21 months newer than GPT-4.

GPT-4

Jun 13, 2023

2.8 years ago

Grok-3

Feb 17, 2025

1.1 years ago

1.7yr newer

Knowledge Cutoff

When training data ends

GPT-4 has a knowledge cutoff of 2022-12-31, while Grok-3 has a cutoff of 2024-11-17.

Grok-3 has more recent training data (up to 2024-11-17), making it potentially better informed about events through that date compared to GPT-4 (2022-12-31).

GPT-4

Dec 2022

Grok-3

Nov 2024

1.9 yr newer

Provider Availability

GPT-4 is available from Azure, OpenAI. Grok-3 is available from xAI.

GPT-4

azure logo
Azure
Input Price:Input: $30.00/1MOutput Price:Output: $60.00/1M
openai logo
OpenAI
Input Price:Input: $30.00/1MOutput Price:Output: $60.00/1M

Grok-3

xai logo
xAI
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
xAI
Larger context window (128,000 tokens)
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (84.6% vs 35.7%)
OpenAIGPT-4
xAIGrok-3
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4
xAI
Grok-3

FAQ

Common questions about GPT-4 vs Grok-3

Grok-3 significantly outperforms across most benchmarks. GPT-4 is made by OpenAI and Grok-3 is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4 scores AI2 Reasoning Challenge (ARC): 96.3%, HellaSwag: 95.3%, Uniform Bar Exam: 90.0%, SAT Math: 89.0%, LSAT: 88.0%. Grok-3 scores AIME 2024: 93.3%, AIME 2025: 93.3%, GPQA: 84.6%, LiveCodeBench: 79.4%, MMMU: 78.0%.
Grok-3 is 10.0x cheaper for input tokens. GPT-4 costs $30.00/M input and $60.00/M output via azure. Grok-3 costs $3.00/M input and $15.00/M output via xai.
GPT-4 supports 33K tokens and Grok-3 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (33K vs 128K), input pricing ($30.00 vs $3.00/M). See the full comparison above for benchmark-by-benchmark results.
GPT-4 is developed by OpenAI and Grok-3 is developed by xAI.