Apac Anthropic Claude Sonnet 4 20250514
Context window
This model accepts 1M tokens in one request (~750K words of text).
What fits in one request
- FitsShort documentAbout 1,500 words of text
- FitsLong documentAbout 37K words of text
- FitsSmall codebaseAbout 150K words of text
- FitsFull novelAbout 375K words of text
Specifications
Context size, pricing, and release info in one place.
- Context window
- 1,000,000 tokens (1M)
- Max output tokens
- 64,000 tokens (64K)
- Speed tier
- balanced
- Provider
- Anthropic
- Model family
- Claude Sonnet
- Input cost
- $3.00/M / 1M tokens
- Output cost
- $15.00/M / 1M tokens
- Cached input
- $0.300/M / 1M tokens
Capabilities
See which features this model supports, such as vision, tools, and streaming.
- Vision
- Accepts image inputs alongside text
- Supported
- Tool use
- Can call external tools and APIs
- Supported
- Function calling
- Structured function call interface
- Supported
- Extended thinking
- Shows its chain-of-thought reasoning
- Supported
- Streaming
- Returns tokens as they are generated
- Supported
- Batch API
- Process many requests asynchronously
- Supported
- Prompt caching
- Reuse repeated prompt prefixes cheaply
- Supported
- Web search
- Can browse the web during a request
- Not supported
Best for
Jump to a guide or ranking that matches each workload.
Compare Apac Anthropic Claude Sonnet 4 20250514
Open a side-by-side comparison with one click.
- Apac Anthropic Claude Sonnet 4 20250514 vs Jp Anthropic Claude Sonnet 4 6
Same context window size
- Apac Anthropic Claude Sonnet 4 20250514 vs Claude Sonnet 4 6
Same context window size
- Apac Anthropic Claude Sonnet 4 20250514 vs Amazon Titan Text Express
Apac Anthropic Claude Sonnet 4 20250514 has 2280% larger context window
- Apac Anthropic Claude Sonnet 4 20250514 vs Amazon Titan Text Premier
Apac Anthropic Claude Sonnet 4 20250514 has 2280% larger context window
- Apac Anthropic Claude Sonnet 4 20250514 vs Amazon Titan Text Lite
Apac Anthropic Claude Sonnet 4 20250514 has 2280% larger context window
- Apac Anthropic Claude Sonnet 4 20250514 vs Apac Amazon Nova 2 Lite
Same context window size
Frequently asked questions
Short answers about context size and how this model behaves.
More from Anthropic
Other models by Anthropic in our catalog.
Powered by Mem0
Use a smaller model.
Get better results.
Mem0 gives your AI long-term memory so you stop re-sending context on every call. That means you can use a smaller, faster, cheaper model — and still get better answers.
Example: a multi-turn chat session
80% less to send — works with any model