 Claude Opus 4.5 |  Maestro Reasoning | |
|---|---|---|
Model Provider The organization behind this AI's development | Anthropic | Arcee AI |
Input Context Window Maximum input tokens this model can process at once | 200K tokens | 131.1K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32K tokens | 32K tokens |
Release Date When this model first became publicly available | November 24, 2025 14 days ago November 24th, 2025 | May 5, 2025 7 months ago May 5th, 2025 |
Claude Opus 4.5 | Maestro Reasoning | |
|---|---|---|
Input Types Supported input formats | 📁File🖼️Image📝Text | 📝Text |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Claude | Other |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation | Function CallingStructured OutputReasoning ModeContent Moderation |
| Claude Opus 4.5 | Maestro Reasoning | |
|---|---|---|
Input Token Cost Cost per million input tokens | $5.00 per million tokens | $0.90 per million tokens |
Output Token Cost Cost per million outut tokens | $25.00 per million tokens | $3.30 per million tokens |
| Claude Opus 4.5 | Maestro Reasoning | |
|---|---|---|
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 Opus 4.5 by Anthropic understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Premium pricing at $5.00/M input and $25.00/M output tokens. Includes built-in content moderation for safer outputs. Released November 24th, 2025.Maestro Reasoning by Arcee AI is a text-based AI model. It can handle standard conversations with its 131.1K token context window. Reasonably priced at $0.90/M input and $3.30/M output tokens. Released May 5th, 2025.Compare your models with top performers across different categories
Best models for coding and development
Models optimized for creative writing
Content creation and marketing tasks
Technical analysis and explanations
Scientific research and analysis
Multilingual translation tasks
Best models for coding and development
Models optimized for creative writing
Content creation and marketing tasks
Technical analysis and explanations
Scientific research and analysis
Multilingual translation tasks
