llm-gemini 0.35 adds support for Gemini 4 Argon
Simon Willison released llm-gemini 0.35, adding support for Google's new Gemini 4 Argon model, available via the Gemini API and a $100/month subscription. At launch, Argon is priced at $2 per million input tokens and $10 per million output tokens, with a planned price doubling on December 1st. Artificial Analysis data shows Argon costing $2,407 to run their benchmark, placing it close to GLM-5.3 and cheaper than recent models from OpenAI, Anthropic, and Meta. The post also includes SVG generatio
Why it matters: Provides developers with timely, concrete details on a new Gemini model's pricing, benchmark cost, and real-world performance for model selection.