OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch ...

The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and ...

Use the vitals package with ellmer to evaluate and compare the accuracy of LLMs, including writing evals to test local models.

GPT-5.3-Codex is about more than just writing code ...

OpenAI's new GPT-5.3-Codex is 25% faster and goes way beyond coding now - what's new ...

OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5 ...

Today, OpenAI announced GPT-5.3-Codex, a new version of its frontier coding model that will be available via the command line, IDE extension, web interface, and the new macOS desktop app. (No API ...

The company’s latest AI model improves long-context understanding, agentic coding, and knowledge-work tasks while matching ...

I tested Claude Code vs. ChatGPT Codex in a real-world bug hunt and creative CLI build — here’s which AI coding agent thinks ...

GPT-5.3-Codex is about more than just writing code ...

OpenAI launches GPT-5.3 Codex Spark powered by Cerebras chips, signaling a shift from Nvidia reliance and intensifying the AI infrastructure race.

Gabriel Gomes built an agent that turns plain English into physical experiments, enabling research that humans alone could never sustain ...