 Claude Sonnet 4 |  Sonar Reasoning | |
|---|---|---|
Model Provider The organization behind this AI's development | Anthropic | Perplexity |
Input Context Window Maximum input tokens this model can process at once | 200K tokens | 127K 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 3 months ago May 22nd, 2025 | January 29, 2025 7 months ago January 29th, 2025 |
Claude Sonnet 4 | Sonar Reasoning | |
|---|---|---|
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 CallingStructured Output✓Reasoning ModeContent Moderation |
| Claude Sonnet 4 | Sonar Reasoning | |
|---|---|---|
Input Token Cost Cost per million input tokens | $3.00 per million tokens | $1.00 per million tokens |
Output Token Cost Cost per million outut tokens | $15.00 per million tokens | $5.00 per million tokens |
| Claude Sonnet 4 | Sonar 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 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 200K token context window. Premium pricing at $3.00/M input and $15.00/M output tokens. Released May 22nd, 2025.Sonar Reasoning by Perplexity offers advanced reasoning. It can handle standard conversations with its 127K token context window. Reasonably priced at $1.00/M input and $5.00/M output tokens. Released January 29th, 2025.Compare your models with top performers across different categories
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