Claude Sonnet 5.5 vs Gemini 4 Argon: scores, price and which to pick

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Our take

Gemini 4 Argon wins 3 of 4 categories.

Overall7996Best

Coding87Best84

Writing7495Best

Support6997Best

Value6986Best

Input / 1M$2.00$2.00

Output / 1M$10.00$10.00

Blended / 1M$4.00$4.00

Context window1M1MBest

Open weightsNoNo

Released28 Sept 202613 Oct 2026

Your monthly bill

Tasks per month50k

Claude Sonnet 5.5$800Cheapest

Gemini 4 Argon$800Cheapest

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