Claude Opus 5 vs Gemini 4 Argon: scores, price and which to pick

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Our take

Gemini 4 Argon wins 3 of 4 categories and costs less: 2.5× cheaper for everyday text work. Easy pick.

Overall8696Best

Coding8484

Writing8695Best

Support8497Best

Value7186Best

Input / 1M$5.00$2.00Best

Output / 1M$25.00$10.00Best

Blended / 1M$10.00$4.00Best

Context window1M1MBest

Open weightsNoNo

Released24 Jul 202613 Oct 2026

Your monthly bill

Tasks per month50k

Claude Opus 5$2.0k

Gemini 4 Argon$800Cheapest

List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.