GPT-4.1 Mini vs gpt-oss-120b (Comparative Analysis)
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Comparative Analysis: GPT-4.1 Mini vs. gpt-oss-120b
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Overview
GPT-4.1 Mini was released 3 months before gpt-oss-120b.
 GPT-4.1 Mini | gpt-oss-120b | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 131.1K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32.8K tokens | 131.1K tokens |
Release Date When this model first became publicly available | April 14, 2025 1 year ago April 14th, 2025 | August 5, 2025 11 months ago August 5th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | June 30, 2024 | June 30, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-4.1 Mini | gpt-oss-120b | |
|---|---|---|
Input Types Supported input formats | 🖼️Image📝Text📁File | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Not reported | Always enabledEffort: High, Medium, LowDefault: Medium |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured OutputReasoning Mode✓Content Moderation | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Open Source Model availability | Proprietary | Available on HuggingFace → |
Pricing
GPT-4.1 Mini is roughly 10.0x more expensive compared to gpt-oss-120b for input tokens and roughly 9.4x more expensive for output tokens.
| GPT-4.1 Mini | gpt-oss-120b | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.40 per million tokens | $0.04 per million tokens |
Output Token Cost Cost per million output tokens | $1.60 per million tokens | $0.17 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.01 per search | Not specified |
Cache Read Cost Cost to reuse cached input tokens | $0.10 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between GPT-4.1 Mini and gpt-oss-120b.
| GPT-4.1 Mini | gpt-oss-120b | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 14.8 (Artificial Analysis index; higher is better) | 23.8 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | 20.2 (Artificial Analysis index; higher is better) | 30.4 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | 1.7 (Artificial Analysis index; higher is better) | 13.2 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,129 Elo (#77 in Game Dev (58.5% win rate)) | 1,052 Elo (#90 in Game Dev (40.6% win rate)) |
At a Glance
Quick overview of what makes GPT-4.1 Mini and gpt-oss-120b unique.
GPT-4.1 Mini by OpenAI 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 $0.40/M input and $1.60/M output tokens. Includes built-in content moderation for safer outputs. Released April 14th, 2025.gpt-oss-120b by OpenAI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 131.1K token context window. Very affordable at $0.04/M input and $0.17/M output tokens. Released August 5th, 2025.Explore More Comparisons
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Compare gpt-oss-120b with:
🚀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