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GPT-4 Turbo vs Grok-1.5V

GPT-4 Turbo leads the LLM Stats Score 9.2 to -0.6.

OpenAI · xAI · Updated for 2026

Which is better?

GPT-4 Turbo leads the overall LLM Stats Score 9.2 to -0.6, ranking #260 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-4 Turbo

  • overall performance matters — it scores 9.2 and ranks #260 on LLM Stats

Choose Grok-1.5V

  • you want the most recent training data — it shipped Apr 2024

At a glance

The differences that matter most.

GPT-4 Turbo
OpenAI
Grok-1.5V
xAI
Core performance indexes
LLM Stats Score
9.2
#260
-0.6
#319
Reasoning
9.3
#252
0.1
#305
Cost, coverage & limits
Benchmark wins
—
—
Input price
$10.00 / M
— / M
Output price
$30.00 / M
— / M
Context window
128,000
—

Individual benchmarks

6 reported for GPT-4 Turbo · 7 for Grok-1.5V

No common benchmarks found

GPT-4 Turbo and Grok-1.5Vdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-4 Turbo specifies input context (128,000 tokens). Only GPT-4 Turbo specifies output context (4,096 tokens).

OpenAI
GPT-4 Turbo
Input128,000 tokens
Output4,096 tokens
xAI
Grok-1.5V
Input- tokens
Output- tokens
Thu Sep 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-1.5V supports multimodal inputs, whereas GPT-4 Turbo does not.

Grok-1.5V can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4 Turbo

Text
Images
Audio
Video

Grok-1.5V

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 Turbo

Proprietary

Closed source

Grok-1.5V

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4 Turbo was released on 2024-04-09, while Grok-1.5V was released on 2024-04-12.

Grok-1.5V is 0 month newer than GPT-4 Turbo.

GPT-4 Turbo

Apr 9, 2024

2.4 years ago

Grok-1.5V

Apr 12, 2024

2.4 years ago

3d newer

Knowledge Cutoff

When training data ends

GPT-4 Turbo has a documented knowledge cutoff of 2023-12-31, while Grok-1.5V's cutoff date is not specified.

We can confirm GPT-4 Turbo's training data extends to 2023-12-31, but cannot make a direct comparison without Grok-1.5V's cutoff date.

GPT-4 Turbo

Dec 2023

Grok-1.5V

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GPT-4 Turbo and Grok-1.5V side-by-side, then vote on the output you prefer.

GPT-4 Turbo
✓ Preferred
Grok-1.5V
Open in Playground

FAQ

Common questions about GPT-4 Turbo vs Grok-1.5V.

Which is better, GPT-4 Turbo or Grok-1.5V?

GPT-4 Turbo leads the LLM Stats Score 9.2 to -0.6. GPT-4 Turbo is made by OpenAI and Grok-1.5V is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-4 Turbo compare to Grok-1.5V in benchmarks?

GPT-4 Turbo scores MGSM: 88.5%, HumanEval: 87.1%, MMLU: 86.5%, DROP: 86.0%, MATH: 72.6%. Grok-1.5V scores AI2D: 88.3%, DocVQA: 85.6%, TextVQA: 78.1%, ChartQA: 76.1%, RealWorldQA: 68.7%.

What are the context window sizes for GPT-4 Turbo and Grok-1.5V?

GPT-4 Turbo supports 128K tokens and Grok-1.5V supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4 Turbo and Grok-1.5V?

Key differences include LLM Stats Score (9.2 vs -0.6), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4 Turbo and Grok-1.5V?

GPT-4 Turbo is developed by OpenAI and Grok-1.5V is developed by xAI.

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