4
GPT-5.6 rolls out to Kiro and appears as OpenAI's default in its own docs, with no verdict-holder gpt-5-2 benchmark in sight
OpenAI announced GPT-5.6 is now available in the Kiro coding assistant for 'better price-performance,' and OpenAI's own API docs quickstart is now titled 'Using GPT-5.6' rather than referencing gpt-5-2 β indicating 5.6 has become OpenAI's shipped flagship without a dedicated benchmark announcement appearing in this material.