Grok-1.5 vs Pixtral Large
Pixtral Large leads the LLM Stats Score 11.8 to -2.5.
xAI · Mistral AI · Updated for 2026
Which is better?
Pixtral Large leads the overall LLM Stats Score 11.8 to -2.5, ranking #245 overall.
In the 3 individual benchmarks reported for both models, Pixtral Large wins 3; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Grok-1.5
- you are already invested in the xAI ecosystem
Choose Pixtral Large
- overall performance matters — it scores 11.8 and ranks #245 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 3 of 3 exact shared results
- you want the most recent training data — it shipped Nov 2024
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for Grok-1.5 · 7 for Pixtral Large
Grok-1.5 outperforms in 0 benchmarks, while Pixtral Large is better at 3 benchmarks (DocVQA, MathVista, MMMU).
Pixtral Large significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Pixtral Large specifies input context (128,000 tokens). Only Pixtral Large specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
Pixtral Large supports multimodal inputs, whereas Grok-1.5 does not.
Pixtral Large can handle both text and other forms of data like images, making it suitable for multimodal applications.
Grok-1.5
Pixtral Large
License
Usage and distribution terms
Grok-1.5 is licensed under a proprietary license, while Pixtral Large uses Mistral Research License (MRL) for research; Mistral Commercial License for commercial use.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Mistral Research License (MRL) for research; Mistral Commercial License for commercial use
Open weights
Release Timeline
When each model was launched
Grok-1.5 was released on 2024-03-28, while Pixtral Large was released on 2024-11-18.
Pixtral Large is 8 months newer than Grok-1.5.
Mar 28, 2024
2.4 years ago
Nov 18, 2024
1.8 years ago
7mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok-1.5 and Pixtral Large side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok-1.5 vs Pixtral Large.