GPT-5.1-Codex-Max vs Llama 4 Maverick (Comparative Analysis)
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Comparative Analysis: GPT-5.1-Codex-Max vs. Llama 4 Maverick
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Overview
Llama 4 Maverick was released 8 months before GPT-5.1-Codex-Max.
 GPT-5.1-Codex-Max |  Llama 4 Maverick | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | Meta |
Input Context Window Maximum input tokens this model can process at once | 400K tokens | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 128K tokens | 16.4K tokens |
Release Date When this model first became publicly available | December 4, 2025 7 months ago December 4th, 2025 | April 5, 2025 1 year ago April 5th, 2025 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-5.1-Codex-Max | Llama 4 Maverick | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image | 📝Text🖼️Image |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | Llama4 |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation | ✓Function Calling✓Structured OutputReasoning ModeContent Moderation |
Open Source Model availability | Proprietary | Available on HuggingFace → |
Pricing
GPT-5.1-Codex-Max is roughly 6.3x more expensive compared to Llama 4 Maverick for input tokens and roughly 12.5x more expensive for output tokens.
| GPT-5.1-Codex-Max | Llama 4 Maverick | |
|---|---|---|
Input Token Cost Cost per million input tokens | $1.25 per million tokens | $0.20 per million tokens |
Output Token Cost Cost per million outut tokens | $10.00 per million tokens | $0.80 per million tokens |
Benchmarks
Compare relevant benchmarks between GPT-5.1-Codex-Max and Llama 4 Maverick.
| GPT-5.1-Codex-Max | Llama 4 Maverick | |
|---|---|---|
MMLU Measures knowledge across 57 subjects like law, math, history, and science | Benchmark not available. | Benchmark not available. |
MMMU Measures understanding of combined text and images across various domains | Benchmark not available. | Benchmark not available. |
HellaSwag Measures common sense reasoning by having models complete sentences about everyday situations | Benchmark not available. | Benchmark not available. |
At a Glance
Quick overview of what makes GPT-5.1-Codex-Max and Llama 4 Maverick unique.
GPT-5.1-Codex-Max by OpenAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 400K token context window. Reasonably priced at $1.25/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released December 4th, 2025.Llama 4 Maverick by Meta understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.20/M input and $0.80/M output tokens. Released April 5th, 2025.Explore More Comparisons
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🚀Programming
Best models for coding and development
🎨Creative & Roleplay
Models optimized for creative writing
📢Marketing
Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
Scientific research and analysis
🌐Translation
Multilingual translation tasks