Claude 3 Sonnet overview
Claude 3 Sonnet by Anthropic
Claude-3-Sonnet API balances speed with performance, excels in multilingual tasks, and integrates seamlessly with cloud platforms. Important: Claude 3 Sonnet will be retired on July 21st, 2025. Please plan to migrate to a newer model.
Claude 3 Sonnet specs
- Developer
- Anthropic
- Input
- Text, Image
- Output
- Text
- API
- OpenAI-compatible, base URL
https://api.aimlapi.com/v1
Important: Claude 3 Sonnet will be retired on July 21st, 2025. Please plan to migrate to a newer model
Basic Information
Model Type: Multimodal AI (text and image processing)
Overview:
Sonnet is engineered to balance performance and speed, positioning it as an excellent option for applications that need both high efficiency and robust capabilities. As a multimodal model like its counterparts, Sonnet can process and analyze both text and image data.
Key Features:
- Multimodal input capability: Handles text and image data simultaneously.
- Optimized for a balance between skill and operational speed.
- Suitable for applications requiring quick response times.
- Seamless cloud integration for easy deployment and scalability.
Intended Use:
Ideal for real-time applications in content creation, customer support, and interactive services where response speed is critical.
Claude 3 Sonnet excels in detailed content creation, precise summarization, and managing complex scientific inquiries.
Language Support:
The model shows enhanced skills in non-English languages and coding tasks, broadening its applicability across diverse global use cases.
Architecture:
Utilizes a combination of unsupervised learning techniques and supervised fine-tuning, integrating Constitutional AI for ethical alignment.
Use cases
- Large‑scale document processing: Process books, legal contracts, and reports up to 200K tokens
- Visual data reasoning: Interpret charts, graphs, diagrams, and extract insights using image input
- Advanced coding workflows: Generate, review, and debug code; supports agentic coding and multi-step tool chains
- Customer support automation: Understand long conversation history, handle context-rich queries
- Reporting & summarization: Create executive summaries across text + image data (CSV tables, PDFs)
- Content creation & editing: Generate multilingual documents, perform rewriting, tone adjustment, and stylistic edits
Capabilities
- Function calling
- Streaming
- Structured outputs
Claude 3 Sonnet benchmarks by 
Artificial Analysis
See how Claude 3 Sonnet scores on independent evaluations. Data retrieved Nov 3, 2026.
Benchmark results
Compare 15 models available on AI/ML API across 5 independent benchmarks.
Humanity's Last Exam
Expert-written questions across academic subjects.
GPQA Diamond
Graduate-level science questions written to resist web search.
LiveCodeBench
Competitive programming problems published after training cutoffs.
MMLU-Pro
Multiple-choice knowledge and reasoning across 14 subjects.
MATH-500
Competition mathematics problems.
Claude 3 Sonnet API pricing
| Usage | Price | Unit |
|---|---|---|
| Input | $3.15 | 1M tokens |
| Output | $15.75 | 1M tokens |
Claude 3 Sonnet is deprecated on AI/ML API. The rates apply to existing integrations; the models below are current alternatives.
Prices from the AI/ML API price list, checked on Nov 4, 2026.
Claude 3 Sonnet vs other models: token prices
AI/ML API input and output rates for 5 models, per million tokens.
| Model | Input | Output |
|---|---|---|
 Claude 3 Sonnet | $3.15 | $15.75 |
| Claude Haiku 5.5 | $0.1 | $0.5 |
| Claude Sonnet 5.5 | $2 | $10 |
| Claude Opus 5.5 | $4 | $20 |
| Claude Fable 5.1 | $10 | $50 |
Models similar to Claude 3 Sonnet
Related articles
Claude 3 Sonnet FAQ
Does Claude 3 Sonnet support streaming?
Yes, Claude 3 Sonnet can stream responses as they are generated.
Does Claude 3 Sonnet support tool calling and structured outputs?
Yes, Claude 3 Sonnet supports both function calling and structured outputs.
Who created Claude 3 Sonnet?
Claude 3 Sonnet was built by Anthropic.