Compare · updated 2026-11-01

Claude Sonnet vs Gemini 4 Argon

Claude Sonnet is better at writing, coding, reasoning; Gemini 4 Argon is better at quick answers, maths, structured data, long documents, translation. Gemini 4 Argon is the cheaper of the two on output.

Measured quality by task

TaskClaude SonnetGemini 4 ArgonBetter
Quick answers85/10088/100Gemini 4 Argon
Writing93/10082/100Claude Sonnet
Coding94/10082/100Claude Sonnet
Reasoning90/10082/100Claude Sonnet
Maths84/10086/100Gemini 4 Argon
Structured data88/10093/100Gemini 4 Argon
Long documents90/10092/100Gemini 4 Argon
Translation86/10088/100Gemini 4 Argon

Quality is Nivana’s measured score for each kind of task, from weekly pairwise evals judged by models from several labs. Prices are live AI Gateway list prices per million tokens. Updated 2026-11-01. How this is measured.

Price and context

Claude SonnetGemini 4 Argon
LabAnthropicGoogle
Input per 1M tokens$2$2
Output per 1M tokens$10$10
Typical chat answer$0.010$0.010
Context window1M1M
Router picks it for3 of 24 request typesFallback only

Which should you use?

Use the one that wins the kind of work you do most, unless the price gap outweighs the quality gap for easy requests. Or don’t choose: Nivana scores both, and the rest of the pool, on every request and sends it to whichever is best for that request.

Questions

Is Claude Sonnet better than Gemini 4 Argon?

On Nivana’s weekly evals Claude Sonnet scores higher on 3 of 8 task types (writing, coding, reasoning) and Gemini 4 Argon on 5 (quick answers, maths, structured data, long documents, translation). Neither is better at everything.

Which is better for coding, Claude Sonnet or Gemini 4 Argon?

Claude Sonnet: 94/100 against 82/100 for Gemini 4 Argon on Nivana’s coding evals.

Which is better for writing, Claude Sonnet or Gemini 4 Argon?

Claude Sonnet: 93/100 against 82/100 for Gemini 4 Argon on Nivana’s writing evals.

Or let the router pick, per request

Nivana sends every message to the model that scores best for it, sets how hard it thinks, and tells you which one answered. 2,000 free credits to start, no card.