GPT-5 Codex vs Pixtral Large
Comparing GPT-5 Codex and Pixtral Large across benchmarks, pricing, and capabilities.
OpenAI · Mistral AI · Updated for 2026
Which is better?
GPT-5 Codex and Pixtral Large trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
Based on current benchmark, pricing, and model metadata for 2026.
Choose GPT-5 Codex
- you want the most recent training data — it shipped Sep 2025
Choose Pixtral Large
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5 Codex and Pixtral Largedon'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
Only Pixtral Large specifies input context (128,000 tokens). Only Pixtral Large specifies output context (128,000 tokens).
Input Capabilities
Supported data types and modalities
Pixtral Large supports multimodal inputs, whereas GPT-5 Codex does not.
Pixtral Large can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5 Codex
Pixtral Large
License
Usage and distribution terms
GPT-5 Codex 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
GPT-5 Codex was released on 2025-09-15, while Pixtral Large was released on 2024-11-18.
GPT-5 Codex is 10 months newer than Pixtral Large.
Sep 15, 2025
11 months ago
10mo newerNov 18, 2024
1.8 years ago
Knowledge Cutoff
When training data ends
GPT-5 Codex has a documented knowledge cutoff of 2024-09-30, while Pixtral Large's cutoff date is not specified.
We can confirm GPT-5 Codex's training data extends to 2024-09-30, but cannot make a direct comparison without Pixtral Large's cutoff date.
Sep 2024
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Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5 Codex and Pixtral Large side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5 Codex vs Pixtral Large.