claude-sonnet-5-5

proprietary

Claude Sonnet 5.5 is Anthropic's latest Sonnet model, balancing speed and capability for everyday coding, agents, and enterprise work. It supports a 1M-token context window and up to 128K output tokens.

Intelligence
Reasoning
Speed
Context
1M
Max output
128K
Input price
$2/1M tokens
Output price
$10/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Provider DeepInfra
Creator Anthropic
Familyclaude-sonnet
Licenseproprietary
Statusactive
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window1M tokens
Max input—
Max output128K tokens
Reasoning tokensYes
Knowledge cutoff
Training data cutoff
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.deepinfra.com/v1/openai/v1/chat/completions

Pricing

Input
$2
Output
$10
Cache write
—
Cache read
—
Batch in
—
Batch out
—

Family Comparison: claude-sonnet

ModelContextMax outPricing
claude-sonnet-5-51M128K$2$10
claude-sonnet-4-61M128K$3$15
claude-sonnet-51M128K$3$15
claude-3-7-sonnet-latest200K—$3.3$16.5
claude-4-sonnet200K—$3.3$16.5

API

GET/v1/models/deepinfra/anthropic/claude-sonnet-5-5