Grok 4.7 vs Muse Spark 1.3: scores, price and which to pick

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Our take

Muse Spark 1.3 wins 4 of 4 categories and costs less: 1.5× cheaper for everyday text work. Easy pick.

Overall3568Best

Coding5275Best

Writing3670Best

Support3171Best

Value2662Best

Input / 1M$2.00$1.25Best

Output / 1M$6.00$4.25Best

Blended / 1M$3.00$2.00Best

Context window500K1MBest

Open weightsNoNo

Released21 Sept 20262 Sept 2026

Your monthly bill

Tasks per month50k

Grok 4.7$600

Muse Spark 1.3$400Cheapest

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