LaunchAI ModelsJune 30, 2026
Anthropic launches Claude Sonnet 5, its most agentic Sonnet model

Claude Sonnet 5 is priced at $2 per million input tokens and $10 per million output tokens through August 31, 2026. It achieves near-Opus 4.8 performance with improved reasoning, tool use, and coding, and is available across all plans, AWS Bedrock, Databricks, and Perplexity.
15 sources
Introducing Claude Sonnet 5 on AWS: Anthropic’s most capable Sonnet modelaws.amazon.com
2.1.201code.claude.com
v2.1.201github.com
Introducing Claude Sonnet 5anthropic.com
RT @claudeai: Introducing Claude Sonnet 5, our most agentic Sonnet yet. It makes plans, uses tools...x.com
Claude Sonnet 5 Is Not Frontier But Has Its Usesthezvi.substack.com
What's new in Claude Sonnet 5simonwillison.net
Notes (and a Pelican) on Claude Sonnet 5 - the new tokenizer makes it ~1.4x more expensive for Engli...bsky.app
Anthropic launches Claude Sonnet 5 at a steep discount to its top model as the company races toward a blockbuster IPOventurebeat.com
Claude Sonnet 5 now available on Vercel AI Gatewayvercel.com
Claude Sonnet 5 vs Opus 4.8: Which Model Is Right for Your AI Workflows?mindstudio.ai