Claude Sonnet 4.6 is live on AI Gateway
Claude Sonnet 4.6 just shipped on AI Gateway with 1M context and hybrid reasoning. Developers can now route agentic tasks through unified infrastructure.

Why it matters
Anthropic's new Sonnet 4.6 is live as a product integration on Vercel's AI Gateway, bringing near-Opus capability and extended thinking to developers building agents. This is infrastructure-layer adoption, not a standalone model release—the story is availability and tooling, not benchmark claims.
The key facts
8 to knowClaude Sonnet 4.6 available on AI Gateway
1M token context window
Approaches Opus-level intelligence
Agentic coding, code review, frontend UI, computer use improvements
Hybrid reasoning model with adaptive effort and extended thinking
MCP support for scaled tool use
Automatic retries, failover, intelligent provider routing
Published Feb 17, 2026
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Claude Sonnet 4.6 from Anthropic is now available on AI Gateway with the 1M token context window. Sonnet 4.6 approaches Opus-level intelligence with strong improvements in agentic coding, code review, frontend UI quality, and computer use accuracy. The model proactively executes tasks, delegates to…