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GPT-4o vs Grok 4.7

Grok 4.7 leads the LLM Stats Score 48.5 to 11.5. Grok 4.7 is 1.5x cheaper per token.

OpenAI · xAI · Updated for 2026

Which is better?

Grok 4.7 leads the overall LLM Stats Score 48.5 to 11.5, ranking #22 overall.

On price, Grok 4.7 is roughly 1.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Grok 4.7 also accepts a larger context window (500,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose GPT-4o

  • you want predictable pricing at $2.50/M input and $10.00/M output

Choose Grok 4.7

  • overall performance matters — it scores 48.5 and ranks #22 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • cost matters — it's about 1.5x cheaper per token
  • you process long inputs — it offers a 500,000 token context window
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

GPT-4o
OpenAI
Grok 4.7
xAI
Core performance indexes
LLM Stats Score
11.5
#260
48.5
#22
Reasoning
12.2
#248
37.4
#68
Coding
11.7
#155
40.1
#13
Cost, coverage & limits
Benchmark wins
—
—
Input price
$2.50 / M
$2.00 / M
Output price
$10.00 / M
$6.00 / M
Context window
128,000
500,000

Individual benchmarks

8 reported for GPT-4o · 23 for Grok 4.7

No common benchmarks found

GPT-4o and Grok 4.7don'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

Pricing Analysis

Price comparison per million tokens

Grok 4.7 costs less

For input processing, GPT-4o ($2.50/1M tokens) is 1.3x more expensive than Grok 4.7 ($2.00/1M tokens).

For output processing, GPT-4o ($10.00/1M tokens) is 1.7x more expensive than Grok 4.7 ($6.00/1M tokens).

In conclusion, GPT-4o is more expensive than Grok 4.7.*

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

Lowest available price from all providers
Mon Sep 21 2026 • llm-stats.com
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
xAI
Grok 4.7
Input tokens$2.00
Output tokens$6.00
Best providerxAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Grok 4.7 accepts 500,000 input tokens compared to GPT-4o's 128,000 tokens. Only GPT-4o specifies output context (4,096 tokens).

OpenAI
GPT-4o
Input128,000 tokens
Output4,096 tokens
xAI
Grok 4.7
Input500,000 tokens
Output- tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-4o and Grok 4.7 support multimodal inputs.

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

GPT-4o

Text
Images
Audio
Video

Grok 4.7

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-4o

Proprietary

Closed source

Grok 4.7

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o was released on 2024-05-13, while Grok 4.7 was released on 2026-09-21.

Grok 4.7 is 29 months newer than GPT-4o.

GPT-4o

May 13, 2024

2.4 years ago

Grok 4.7

Sep 21, 2026

0 days ago

2.4yr newer

Knowledge Cutoff

When training data ends

Grok 4.7 has a documented knowledge cutoff of 2026-05-01, while GPT-4o's cutoff date is not specified.

We can confirm Grok 4.7's training data extends to 2026-05-01, but cannot make a direct comparison without GPT-4o's cutoff date.

GPT-4o

—

Grok 4.7

May 2026

Provider Availability

GPT-4o is available from Azure, OpenAI. Grok 4.7 is available from xAI.

GPT-4o

azure logo
Azure
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

Grok 4.7

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GPT-4o and Grok 4.7 side-by-side, then vote on the output you prefer.

GPT-4o
✓ Preferred
Grok 4.7
Open in Playground

FAQ

Common questions about GPT-4o vs Grok 4.7.

Which is better, GPT-4o or Grok 4.7?

Grok 4.7 leads the LLM Stats Score 48.5 to 11.5. GPT-4o is made by OpenAI and Grok 4.7 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-4o compare to Grok 4.7 in benchmarks?

GPT-4o scores MGSM: 90.5%, HumanEval: 90.2%, MMLU: 88.7%, DROP: 83.4%, MATH: 76.6%. Grok 4.7 scores BixBench MCQ: 88.4%, WMDP-Bio: 88.1%, WMDP-Cyber: 88.1%, WMDP-Chem: 84.9%, CyberGym: 80.3%.

Is GPT-4o cheaper than Grok 4.7?

Grok 4.7 is 1.3x cheaper for input tokens. GPT-4o costs $2.50/M input and $10.00/M output via azure. Grok 4.7 costs $2.00/M input and $6.00/M output via xai.

What are the context window sizes for GPT-4o and Grok 4.7?

GPT-4o supports 128K tokens and Grok 4.7 supports 500K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4o and Grok 4.7?

Key differences include LLM Stats Score (11.5 vs 48.5), context window (128K vs 500K), input pricing ($2.50 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4o and Grok 4.7?

GPT-4o is developed by OpenAI and Grok 4.7 is developed by xAI.

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