Kimi K2 0711 vs o3 Mini (Comparative Analysis)
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Comparative Analysis: Kimi K2 0711 vs. o3 Mini
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Overview
o3 Mini was released 5 months before Kimi K2 0711.
 Kimi K2 0711 |  o3 Mini | |
|---|---|---|
Model Provider The organization behind this AI's development | MoonshotAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 131.1K tokens | 200K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 100.4K tokens | 100K tokens |
Release Date When this model first became publicly available | July 11, 2025 1 year ago July 11th, 2025 | January 31, 2025 1 year ago January 31st, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | December 31, 2024 | October 31, 2023 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Kimi K2 0711 | o3 Mini | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text📁File |
Reasoning Controls Defaults and configurable reasoning effort | Not reported | Optional |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Other | GPT |
Key Features Advanced capabilities | ✓Function CallingStructured OutputReasoning ModeContent Moderation | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
Kimi K2 0711 is roughly 0.5x less expensive compared to o3 Mini for input tokens and roughly 0.5x less expensive for output tokens.
| Kimi K2 0711 | o3 Mini | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.57 per million tokens | $1.10 per million tokens |
Output Token Cost Cost per million output tokens | $2.30 per million tokens | $4.40 per million tokens |
Web Search Cost Additional cost for each web search operation | Not specified | $0.01 per search |
Cache Read Cost Cost to reuse cached input tokens | Not specified | $0.55 per million tokens |
Benchmarks
Compare relevant benchmarks between Kimi K2 0711 and o3 Mini.
| Kimi K2 0711 | o3 Mini | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,075 Elo (#93 in Website (53.1% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes Kimi K2 0711 and o3 Mini unique.
Kimi K2 0711 by MoonshotAI can use external tools and APIs. It can handle standard conversations with its 131.1K token context window. Reasonably priced at $0.57/M input and $2.30/M output tokens. Released July 11th, 2025.o3 Mini by OpenAI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Reasonably priced at $1.10/M input and $4.40/M output tokens. Includes built-in content moderation for safer outputs. Released January 31st, 2025.Explore More Comparisons
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Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
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