Claude Sonnet 4
Balanced Claude model
VisionReasoningFunction CallMCPJSON Modereasoninglong-context
Context
200,000 tokens
Max Output
8,192 tokens
Released
6/20/2025
Providers
2
Overview
Balanced Claude model
Key Highlights
- Vision
- Reasoning
- Function Call
- MCP
- JSON Mode
Brand
Anthropic
Personal
Country: USA
View all models, pricing and details from Anthropic.
Specifications
Basic Information
| Model | Claude Sonnet 4 |
| Brand | Anthropic |
| Version | 2025-06 |
| Model Type | reasoning |
| Status | new |
| Released | 6/20/2025 |
| Popularity | 88 |
Architecture
| Parameter Size | Unknown / Not disclosed |
| Architecture Type | Unknown / Not disclosed |
| Attention Mechanism | Unknown / Not disclosed |
| Tokenizer | Unknown / Not disclosed |
| Vocabulary Size | Unknown / Not disclosed |
Context & I/O
| Context | 200,000 tokens |
| Max Output | 8,192 tokens |
| Modalities | Vision, Reasoning, Function Call, MCP, JSON Mode |
| Languages | Unknown / Not disclosed |
Capabilities
| Vision | Yes |
| Audio | No |
| Reasoning | Yes |
| Function Call | Yes |
| MCP | Yes |
| JSON Mode | Yes |
| Embedding | No |
Training Data
| Training Dataset | Unknown / Not disclosed |
| Estimated Data Size | Unknown / Not disclosed |
| Knowledge Cutoff | Unknown / Not disclosed |
Inference & Deployment
| API Access | Yes |
| VRAM Estimate | Unknown / Not disclosed |
| Quantization Support | Unknown / Not disclosed |
| Hardware Requirements | Unknown / Not disclosed |
Safety & Compliance
| Safety Evaluations | Unknown / Not disclosed |
| Content Policy | Unknown / Not disclosed |
| Region Restrictions | Unknown / Not disclosed |
License & Pricing
| License | Unknown / Not disclosed |
| Commercial Use | Unknown / Not disclosed |
| Open Source | No |
Provider & Pricing
| Provider | Input | Output | Cache | Batch | Website |
|---|---|---|---|---|---|
| Anthropic API | $3.000/1M | $15.000/1M | $0.300/1M | $1.500/1M | Visit Website |
Price Changes
No recorded price changes.
Benchmarks
No benchmark data available.
Changelog
- Page created / data imported9/12/2026
- Last updated9/12/2026
Frequently Asked Questions
What is Claude Sonnet 4?
Balanced Claude model
Who developed Claude Sonnet 4?
Claude Sonnet 4 was developed by Anthropic. You can learn more on the brand page or official website.
What is the context length of Claude Sonnet 4?
Claude Sonnet 4 supports up to 200,000 tokens of context.
How much does Claude Sonnet 4 API cost?
API pricing for Claude Sonnet 4 starts at $3.000/1M per 1M input tokens and $15.000/1M per 1M output tokens. See the pricing table above for provider-specific rates.