 Claude Sonnet 4 |  Kimi K2 0905 (exacto) | |
|---|---|---|
Model Provider The organization behind this AI's development | Anthropic | MoonshotAI |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 262.1K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 64K tokens | Not specified tokens |
Release Date When this model first became publicly available | May 22, 2025 6 months ago May 22nd, 2025 | September 4, 2025 3 months ago September 4th, 2025 |
Claude Sonnet 4 | Kimi K2 0905 (exacto) | |
|---|---|---|
Input Types Supported input formats | 🖼️Image📝Text📁File | 📝Text |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Claude | Other |
Key Features Advanced capabilities | ✓Function CallingStructured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured OutputReasoning ModeContent Moderation |
Open Source Model availability | Proprietary | Available on HuggingFace → |
| Claude Sonnet 4 | Kimi K2 0905 (exacto) | |
|---|---|---|
Input Token Cost Cost per million input tokens | $3.00 per million tokens | $0.60 per million tokens |
Output Token Cost Cost per million outut tokens | $15.00 per million tokens | $2.50 per million tokens |
| Claude Sonnet 4 | Kimi K2 0905 (exacto) | |
|---|---|---|
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. |
Claude Sonnet 4 by Anthropic understands both text and images, can use external tools and APIs, offers advanced reasoning. 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 May 22nd, 2025.Kimi K2 0905 (exacto) by MoonshotAI can use external tools and APIs, generates structured data. It can handle standard conversations with its 262.1K token context window. Reasonably priced at $0.60/M input and $2.50/M output tokens. Released September 4th, 2025.Compare your models with top performers across different categories
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