Anthropic releases Sonnet 4.6

In Brief

Anthropic has released a caller mentation of its mid-size Sonnet model, keeping gait with the company’s four-month update cycle. In a station announcing the caller model, Anthropic emphasized improvements successful coding, instruction-following, and machine use.

Sonnet 4.6 volition beryllium the default exemplary for Free and Pro program users.

The beta merchandise of Sonnet 4.6 volition see a discourse model of 1 cardinal tokens, doubly the size of the largest model antecedently disposable for Sonnet. Anthropic described the caller discourse model arsenic “enough to clasp full codebases, lengthy contracts, oregon dozens of probe papers successful a azygous request.”

The merchandise comes conscionable 2 weeks aft the motorboat of Opus 4.6, with an updated Haiku exemplary apt to travel successful the coming weeks.

The motorboat comes with a caller acceptable of grounds benchmark scores, including OS World for machine usage and SWE-Bench for bundle engineering. But possibly the astir awesome is its 60.4% people connected ARC-AGI-2, meant to measurement skills circumstantial to quality intelligence. The people puts Sonnet 4.6 supra astir comparable models, though it inactive trails models similar Opus 4.6, Gemini 3 Deep Think, and 1 refined mentation of GPT 5.2.

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