Model Comparison

GPT-3.5 Turbo vs Grok-2 mini

Grok-2 mini significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

GPT-3.5 Turbo outperforms in 0 benchmarks, while Grok-2 mini is better at 6 benchmarks (GPQA, HumanEval, MATH, MathVista, MMLU, MMMU).

Grok-2 mini significantly outperforms across most benchmarks.

Tue Mar 31 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Tue Mar 31 2026 • llm-stats.com
OpenAI
GPT-3.5 Turbo
Input tokens$0.50
Output tokens$1.50
Best providerAzure
xAI
Grok-2 mini
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
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Context Window

Maximum input and output token capacity

Only GPT-3.5 Turbo specifies input context (16,385 tokens). Only GPT-3.5 Turbo specifies output context (4,096 tokens).

OpenAI
GPT-3.5 Turbo
Input16,385 tokens
Output4,096 tokens
xAI
Grok-2 mini
Input- tokens
Output- tokens
Tue Mar 31 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-2 mini supports multimodal inputs, whereas GPT-3.5 Turbo does not.

Grok-2 mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-3.5 Turbo

Text
Images
Audio
Video

Grok-2 mini

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-3.5 Turbo

Proprietary

Closed source

Grok-2 mini

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-3.5 Turbo was released on 2023-03-21, while Grok-2 mini was released on 2024-08-13.

Grok-2 mini is 17 months newer than GPT-3.5 Turbo.

GPT-3.5 Turbo

Mar 21, 2023

3.0 years ago

Grok-2 mini

Aug 13, 2024

1.6 years ago

1.4yr newer

Knowledge Cutoff

When training data ends

GPT-3.5 Turbo has a documented knowledge cutoff of 2021-09-30, while Grok-2 mini's cutoff date is not specified.

We can confirm GPT-3.5 Turbo's training data extends to 2021-09-30, but cannot make a direct comparison without Grok-2 mini's cutoff date.

GPT-3.5 Turbo

Sep 2021

Grok-2 mini

—

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (16,385 tokens)
xAI
Supports multimodal inputs
Higher GPQA score (51.0% vs 30.8%)
Higher HumanEval score (85.7% vs 68.0%)
Higher MATH score (73.0% vs 43.1%)
Higher MathVista score (68.1% vs 0.0%)
Higher MMLU score (86.2% vs 69.8%)
Higher MMMU score (63.2% vs 0.0%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-3.5 Turbo
xAI
Grok-2 mini

FAQ

Common questions about GPT-3.5 Turbo vs Grok-2 mini

Grok-2 mini significantly outperforms across most benchmarks. GPT-3.5 Turbo is made by OpenAI and Grok-2 mini is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-3.5 Turbo scores DROP: 70.2%, MMLU: 69.8%, HumanEval: 68.0%, MGSM: 56.3%, MATH: 43.1%. Grok-2 mini scores DocVQA: 93.2%, MMLU: 86.2%, HumanEval: 85.7%, MATH: 73.0%, MMLU-Pro: 72.0%.
GPT-3.5 Turbo supports 16K tokens and Grok-2 mini supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.
GPT-3.5 Turbo is developed by OpenAI and Grok-2 mini is developed by xAI.