AI Briefing
KO

Claude Sonnet 4.6, Now Available on AI Gateway

·2026.02.17 22:00

Key point

Anthropic's **Claude Sonnet 4.6** has launched on **AI Gateway**, supporting a 1 million token context window.

Details

Anthropic's Claude Sonnet 4.6 has launched on AI Gateway. This model supports a context window of 1 million tokens and delivers performance approaching Opus-level intelligence.

Key improvements include:

  • Enhanced agentic coding, code review, frontend UI quality, and computer use accuracy
  • Support for proactive task execution, sub-agent delegation, and parallelized tool calls
  • MCP support for extended tool use

As a hybrid reasoning model, it provides both instant responses and extended thinking. It can be used in the AI SDK by setting the model name to anthropic/claude-sonnet-4.6, and supports effort and adaptive thinking types.

AI Gateway provides a unified API for model calls, ensuring high uptime through usage and cost tracking, retries, failover, and performance optimization.

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