Claude Sonnet 5
claude-sonnet-5
Anthropic · reasoning · api
Intelligence
Context
1M
Max output
128K
Input $/1M
$2.00
Output $/1M
$10.00
Modalities
text · image · document
Released
29 Jun 2026
Intelligence Index via Artificial Analysis · 0–100, higher is better
AI summary
● machine-written
Claude Sonnet 5 from Anthropic
Claude Sonnet 5 is Anthropic's most agentic Sonnet-class model, bringing coding and tool-use performance previously requiring larger models at Sonnet's speed and cost. It features a 1M token context window, supports text, image, and document inputs, and is available through the Claude API, AWS, Google Cloud, and Microsoft Foundry. The model is priced at introductory rates through August 31, 2026, after which standard pricing applies.
What's new
- Introductory pricing of $2/$10 per million input/output tokens through August 31, 2026, then $3/$15 standard pricing
- Supports fine-grained thinking effort control for API users
- Excels at coding, long-running agents, browser/computer use, and enterprise workflows
- Up to 90% cost savings with prompt caching and 50% with batch processing
- US-only inference available at 1.1x pricing multiplier
Best for
Advanced coding and multi-file codebase reasoningLong-running autonomous AI agents and tool useBrowser and computer automation workflowsEnterprise workflows across finance, research, and content operations
Common questions about Claude Sonnet →
Source: https://docs.claude.com/en/docs/about-claude/models/overview