 gpt-oss-120b |  Llama 3.1 405B (base) | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | Meta |
Input Context Window Maximum input tokens this model can process at once | 131K tokens | 32.8K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 131K tokens | Not specified tokens |
Release Date When this model first became publicly available | August 5, 2025 1 month ago August 5th, 2025 | August 2, 2024 1 year ago August 2nd, 2024 |
gpt-oss-120b | Llama 3.1 405B (base) | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | Llama3 |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | Function CallingStructured OutputReasoning ModeContent Moderation |
Open Source Model availability | Available on HuggingFace → | Available on HuggingFace → |
| gpt-oss-120b | Llama 3.1 405B (base) | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.07 per million tokens | $2.00 per million tokens |
Output Token Cost Cost per million outut tokens | $0.28 per million tokens | $2.00 per million tokens |
| gpt-oss-120b | Llama 3.1 405B (base) | |
|---|---|---|
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. |
gpt-oss-120b by OpenAI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 131K token context window. Very affordable at $0.07/M input and $0.28/M output tokens. Released August 5th, 2025.Llama 3.1 405B (base) by Meta is a text-based AI model. It can handle standard conversations with its 32.8K token context window. Reasonably priced at $2.00/M input and $2.00/M output tokens. Released August 2nd, 2024.Compare your models with top performers across different categories
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