Anthropic releases Sonnet 4.6
Anthropic has launched a brand new model of its mid-size Sonnet mannequin, maintaining tempo with the corporation’s four-month update cycle. In a write-up saying the brand-new model, Anthropic emphasized enhancements in coding, instruction-following, and laptop use.
Sonnet 4.6 would be the default mannequin for Free and Professional plan customers.
The beta launch of Sonnet 4.6 will embrace a context window of 1 million tokens, twice the scale of the biggest window beforehand accessible for Sonnet. Anthropic described the brand-new context window as “sufficient to carry whole codebases, prolonged contracts, or dozens of analysis papers in a single request.”
The discharge comes simply two weeks after the launch of Opus 4.6, with an up-to-date Haiku mannequin more likely to be observed within the coming weeks.
The launch comes with a brand new set of file benchmark scores, together with OS World for laptop use and SWE-Bench for software program engineering. However, maybe probably the most spectacular is its 60.4% rating on ARC-AGI-2, meant to measure expertise particular to human intelligence. The rating places Sonnet 4.6 above most comparable fashions, though it nonetheless trails fashions like Opus 4.6, Gemini 3 Deep Assume, and one refined model of GPT 5.2.
