GPT-5 vs Grok-2 Image 1212
Comparing GPT-5 and Grok-2 Image 1212 across benchmarks, pricing, and capabilities.
OpenAI · xAI · Updated for 2026
Which is better?
GPT-5 and Grok-2 Image 1212 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
GPT-5 also accepts a larger context window (400,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose GPT-5
- you process long inputs — it offers a 400,000 token context window
- you want the most recent training data — it shipped Aug 2025
Choose Grok-2 Image 1212
- you are already invested in the xAI ecosystem
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5 and Grok-2 Image 1212don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Playground indexes and blind preference scores
Context Window
Maximum input and output token capacity
GPT-5 accepts 400,000 input tokens compared to Grok-2 Image 1212's 131,072 tokens. Only GPT-5 specifies output context (128,000 tokens).
Input Capabilities
Supported data types and modalities
GPT-5 supports multimodal inputs, whereas Grok-2 Image 1212 does not.
GPT-5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5
Grok-2 Image 1212
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-5 was released on 2025-08-07, while Grok-2 Image 1212 was released on 2024-12-12.
GPT-5 is 8 months newer than Grok-2 Image 1212.
Aug 7, 2025
1.0 years ago
7mo newerDec 12, 2024
1.7 years ago
Knowledge Cutoff
When training data ends
GPT-5 has a documented knowledge cutoff of 2024-09-30, while Grok-2 Image 1212's cutoff date is not specified.
We can confirm GPT-5's training data extends to 2024-09-30, but cannot make a direct comparison without Grok-2 Image 1212's cutoff date.
Sep 2024
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Provider Availability
GPT-5 is available from OpenAI. Grok-2 Image 1212 is available from xAI.
GPT-5
Grok-2 Image 1212
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5 and Grok-2 Image 1212 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5 vs Grok-2 Image 1212.