OpenAI has unveiled GPT-5.5, positioning it as a major shift toward “agentic” work that can navigate software and complete multi-step tasks with less prompting. On Terminal-Bench 2.0, it narrowly edges Anthropic’s restricted Claude Mythos Preview. But the upgrade comes with sharply higher API prices and delayed developer access, while rollout is limited to ChatGPT subscribers.
OpenAI has launched GPT 5.5, positioning it less as a chatbot and more as an autonomous “agent” that can carry out complex tasks. The model aims to boost efficiency, better handle multi step work, and introduce tougher safety guardrails—especially for coding, research, and enterprise use cases—marking a notable shift in how AI is deployed.
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OpenAI has launched GPT-5.5, its latest flagship model built to handle complex, multi-part tasks as an active collaborator. The company says it improves performance in coding, knowledge work, and scientific research, boosting autonomy and efficiency while keeping latency unchanged. OpenAI is also rolling out new API pricing, starting at $5 per 1 million tokens.
OpenAI has unveiled GPT-5.5, its most advanced research model, designed to handle complex work with minimal prompting. The system can plan its approach, use external tools, and self-correct along the way, positioning it as a major leap toward faster machine-driven AI research and raising AGI expectations. GPT-5.5 is rolling out to Plus, Pro, Business, and Enterprise users.
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