Specifications
Lab Anthropic
Type CLOSED
Released May 22, 2025
Context Window 200K tokens
Training Cutoff 2025-03
Status ACTIVE
Pricing
INPUT
$3.00
per 1M tokens
OUTPUT
$15.00
per 1M tokens
Benchmarks 3 tracked
Benchmark Score Date
SWE-bench Verified
72.7 2025-05 GPQA Diamond
66.2 2025-05 MMLU
86.7 2025-05 Capabilities 5
textvisionextended-thinkingtool-useagentic
About
Claude Sonnet 4 delivers Opus-class coding performance at a fraction of the cost. It powers Claude Code and is optimized for high-throughput agentic workflows.
Anthropic Dispatches 3 total
MAY 15 Anthropic ships 39 repo updates — Claude Agent SDK, API clients Anthropic pushed 39 repository updates across their GitHub organization, spanning the Claude Agent SDK, API client libraries, and supporting infrastructure. GitHub (anthropics org) · Releases
MAY 15 MCP ecosystem hits 5 active repos: spec, SDKs, servers, community index The Model Context Protocol ecosystem now spans five active repositories including the core specification, TypeScript and Python SDKs, reference servers, and a community index. GitHub (modelcontextprotocol org) · Releases
MAY 15 Anthropic and SpaceXai strike $5B annual deal for Colossus I Anthropic signed a $5 billion annual compute deal with SpaceXai for access to the Colossus I datacenter, marking one of the largest AI infrastructure agreements to date. Latent Space · Money Moves