GPT-5 nano vs Grok-2 Image 1212
Comparing GPT-5 nano and Grok-2 Image 1212 across benchmarks, pricing, and capabilities.
OpenAI · xAI · Updated for 2026
Which is better?
GPT-5 nano and Grok-2 Image 1212 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
GPT-5 nano also accepts a larger context window (400,000 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-5 nano
- 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.
Individual benchmarks
5 reported for GPT-5 nano · 0 for Grok-2 Image 1212
GPT-5 nano and Grok-2 Image 1212don'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
GPT-5 nano accepts 400,000 input tokens compared to Grok-2 Image 1212's 131,072 tokens. Only GPT-5 nano specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
GPT-5 nano supports multimodal inputs, whereas Grok-2 Image 1212 does not.
GPT-5 nano can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5 nano
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 nano was released on 2025-08-07, while Grok-2 Image 1212 was released on 2024-12-12.
GPT-5 nano is 8 months newer than Grok-2 Image 1212.
Aug 7, 2025
1.1 years ago
7mo newerDec 12, 2024
1.8 years ago
Knowledge Cutoff
When training data ends
GPT-5 nano has a documented knowledge cutoff of 2024-05-30, while Grok-2 Image 1212's cutoff date is not specified.
We can confirm GPT-5 nano's training data extends to 2024-05-30, but cannot make a direct comparison without Grok-2 Image 1212's cutoff date.
May 2024
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Provider Availability
GPT-5 nano is available from OpenAI. Grok-2 Image 1212 is available from xAI.
GPT-5 nano
Grok-2 Image 1212
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5 nano and Grok-2 Image 1212 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5 nano vs Grok-2 Image 1212.