Meet Claude 3.7 Sonnet: Anthropic’s Most Intelligent Foundation Model
With long-context understanding and enterprise-grade safety, Claude 3.7 Sonnet sets a new standard for practical AI in coding, reasoning, and agentic workflows.
Trusted by users from 10,000+ companies
Claude 3.7 Sonnet Benchmarks that Matter
Claude 3.7 Sonnet brings steadier reasoning, cleaner code, and a calmer experience to complex work.
Multilingual Zero-Shot Consistency
In zero-shot chain-of-thought evaluations across languages, Claude 3.7 Sonnet achieves approximately 97.6% of its English benchmark when handling Spanish. This means high-quality reasoning and responses in non-English contexts with minimal drop-off.
Legal & Governance Reasoning Accuracy
On the corporate governance reasoning benchmark (CHANCERY), Claude 3.7 Sonnet achieved around 64.5% accuracy in determining consistency of actions against charter rules. This shows ability to reason about structured and domain-specific rules.
Developer-grade Coding
With stronger refactoring and multi-file awareness, Claude 3.7 Sonnet coding feels less like autocomplete and more like a patient pair‑programmer. It also adheres to schemas and structured output for reliable tool-calling and automation pipelines.
Control in Your Hands
Claude 3.7 Sonnet offers a configurable “thinking budget” that allows users to dictate how many tokens the model allocates to internal reasoning before producing a final answer.
Claude 3.7 Sonnet Raises the Bar
Whether you’re brainstorming, coding, analyzing, or automating, Claude 3.7 Sonnet brings powerful capabilities that many general-purpose models don’t.
Advanced Instruction-Following
Claude 3.7 Sonnet demonstrates ~93 % accuracy in instruction-following tasks, showing a strong ability to execute multi-step commands reliably.
Multimodal Input Handling
It accepts both text and images (e.g., diagrams, scans), enabling workflows that integrate visual context alongside written content.
Substantial Output Capacity
Compared with the previous version, Claude 3.7 supports significantly longer outputs, which is ideal for detailed reports, code, or multi-part summaries.
Seamless Developer Workflow Integration
With the companion tool Claude Code, the model can edit files, run tests, and integrate with engineering workflows.
Broad Platform Availability
Claude 3.7 Sonnet is available via web app, API, and on major cloud platforms (e.g., AWS Bedrock, Google Vertex AI), making deployment flexible.
Privacy‑first compliance controls
Ships with granular data controls, redaction hooks, and regional isolation options to meet privacy, residency, and compliance requirements.
Balanced Speed and Depth Modes
Users can toggle between “standard mode” for fast responses and “extended thinking mode” for deeper reasoning tasks.
Improved Contextual Understanding
The model achieves higher coherence across longer conversations or documents, reducing context loss and fragmentation.
Multilingual Fluency
Understands and produces high‑quality text across major languages and domains, maintaining nuance, idiom, and terminology under production constraints.
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