Kimi K3 vs o1-pro (Comparative Analysis)
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Overview
o1-pro was released 1 year before Kimi K3.
 Kimi K3 |  o1-pro | |
|---|---|---|
Model Provider The organization behind this AI's development | MoonshotAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 200K tokens |
Output Token Limit Maximum output tokens this model can generate at once | Not specified tokens | 100K tokens |
Release Date When this model first became publicly available | July 16, 2026 11 days ago July 16th, 2026 | March 19, 2025 1 year ago March 19th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | Not reported | October 31, 2023 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Kimi K3 | o1-pro | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image | 📝Text🖼️Image📁File |
Reasoning Controls Defaults and configurable reasoning effort | Enabled by defaultEffort: Max, High, LowDefault: Max | Optional |
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 Output✓Reasoning Mode✓Content Moderation |
Pricing
Kimi K3 is roughly 0.02x less expensive compared to o1-pro for input tokens and roughly 0.03x less expensive for output tokens.
| Kimi K3 | o1-pro | |
|---|---|---|
Input Token Cost Cost per million input tokens | $3.00 per million tokens | $150.00 per million tokens |
Output Token Cost Cost per million output tokens | $15.00 per million tokens | $600.00 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 | $0.30 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between Kimi K3 and o1-pro.
| Kimi K3 | o1-pro | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 57.1 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 76.2 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 50.1 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,458 Elo (#1 in 3D (69.7% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes Kimi K3 and o1-pro unique.
Kimi K3 by MoonshotAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Premium pricing at $3.00/M input and $15.00/M output tokens. Released July 16th, 2026.o1-pro by OpenAI understands both text and images, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Premium pricing at $150.00/M input and $600.00/M output tokens. Includes built-in content moderation for safer outputs. Released March 19th, 2025.Explore More Comparisons
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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