 Kimi K2 Thinking |  o3 Mini High | |
|---|---|---|
Model Provider The organization behind this AI's development | MoonshotAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 262.1K tokens | 200K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 65.5K tokens | 100K tokens |
Release Date When this model first became publicly available | November 6, 2025 2 months ago November 6th, 2025 | February 12, 2025 11 months ago February 12th, 2025 |
Kimi K2 Thinking | o3 Mini High | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text📁File |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Other | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured OutputReasoning Mode✓Content Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
| Kimi K2 Thinking | o3 Mini High | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.40 per million tokens | $1.10 per million tokens |
Output Token Cost Cost per million outut tokens | $1.75 per million tokens | $4.40 per million tokens |
| Kimi K2 Thinking | o3 Mini High | |
|---|---|---|
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. |
Kimi K2 Thinking by MoonshotAI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 262.1K token context window. Very affordable at $0.40/M input and $1.75/M output tokens. Released November 6th, 2025.o3 Mini High by OpenAI can use external tools and APIs, 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 February 12th, 2025.Compare your models with top performers across different categories
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