Claude Opus vs Gemini 4 Argon

In Nivana’s weekly evals Claude Opus (Anthropic) beats Gemini 4 Argon (Google) on 5 of 8 task types and loses on 3. Claude Opus costs $4 in / $20 out per 1M tokens; Gemini 4 Argon costs $2 in / $10 out per 1M tokens.

TaskClaude OpusGemini 4 Argon
quick answers and everyday questions8384
writing9585
coding9785
reasoning and analysis9885
maths9387
structured data and JSON8891
long documents9195
translation9189

With Nivana you don’t choose between them: the router sends each request to whichever wins for it.