TAU2
Score
0.94
GPT-5.5 (xhigh) is a high-performance variant of OpenAI's GPT-5 series, optimized for superior reasoning, complex code generation, and advanced multimodal tasks. It represents a flagship model designed for demanding applications requiring top-tier intelligence and capability.
Benchmark history
Score
0.94
Score
0.61
Score
0.74
Score
0.76
Score
0.56
Score
0.44
Score
0.94
Score
59.1
Score
60.2
Plan availability
Apertis Coding Plan is a subscription-based AI coding service providing unified access to 30+ AI models (GPT-5.4, Claude Opus 4.6, Gemini 3.1 Pro, and more) through a single API key. Designed for developers using coding agents like Claude Code, Cursor, Cline, and OpenCode, it offers predictable monthly pricing, free prompt caching, auto-failover, and quota-based billing across OpenAI, Anthropic, Google, and other providers.
OpenAI's Codex is an AI coding agent that helps developers build and ship software by handling tasks end-to-end, including code generation, refactoring, and review. It integrates with IDEs, CLI, and web, powered by ChatGPT for individual and team workflows.
Command Code AI is a frontier AI coding agent that runs in the terminal and continuously learns your coding taste. It supports multiple premium and open-source models, providing code generation, bug fixing, testing, and refactoring with personalized style preferences. Starts at $1/month.
Cursor is an AI-powered code editor and agentic coding platform by Anysphere. It provides intelligent autocomplete (Tab), autonomous coding agents, cloud agents, code review (Bugbot), and access to frontier models from OpenAI, Anthropic, Google, xAI, and Cursor's own Composer 2 model. Designed for individual developers and engineering teams.
NanoGPT is a privacy-focused AI platform that provides unified access to multiple text, image, video, and audio AI models through a chat interface and API, with features like auto model selection and pay-as-you-go pricing.
OpenCode Zen is a curated service providing reliable, optimized AI models for coding agents, with pay-as-you-go pricing and tested performance.

Thinking... Make sure you are connected to GitHub server