R1 0528 vs gpt-oss-120b (Comparative Analysis)
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Comparative Analysis: R1 0528 vs. gpt-oss-120b
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Overview
R1 0528 was released 2 months before gpt-oss-120b.
 R1 0528 |  gpt-oss-120b | |
|---|---|---|
Model Provider The organization behind this AI's development | DeepSeek | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 163.8K 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 | May 28, 2025 1 year ago May 28th, 2025 | August 5, 2025 11 months ago August 5th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | March 31, 2025 | June 30, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
R1 0528 | gpt-oss-120b | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Always enabled | Always enabledEffort: High, Medium, LowDefault: Medium |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | DeepSeek | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Open Source Model availability | Available on HuggingFace → | Available on HuggingFace → |
Pricing
R1 0528 is roughly 12.5x more expensive compared to gpt-oss-120b for input tokens and roughly 12.6x more expensive for output tokens.
| R1 0528 | gpt-oss-120b | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.50 per million tokens | $0.04 per million tokens |
Output Token Cost Cost per million output tokens | $2.15 per million tokens | $0.17 per million tokens |
Cache Read Cost Cost to reuse cached input tokens | $0.35 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between R1 0528 and gpt-oss-120b.
| R1 0528 | gpt-oss-120b | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | Benchmark not available. | 23.8 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | Benchmark not available. | 30.4 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | Benchmark not available. | 13.2 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,211 Elo (#43 in Data Viz (60.7% win rate)) | 1,050 Elo (#91 in Game Dev (40.6% win rate)) |
At a Glance
Quick overview of what makes R1 0528 and gpt-oss-120b unique.
R1 0528 by DeepSeek can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 163.8K token context window. Reasonably priced at $0.50/M input and $2.15/M output tokens. Released May 28th, 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