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DeepSeek V4 Pro vs Muse Spark 1.3

DeepSeek V4 ProDeepSeek
Muse Spark 1.3Meta
Our take

Muse Spark 1.3 wins 4 of 4 categories, but DeepSeek V4 Pro is 1.0× cheaper for everyday text work. Pick Muse Spark 1.3 when quality matters most, DeepSeek V4 Pro at volume.

Overall5368Best
Coding5675Best
Writing6170Best
Support5971Best
Value4762Best
Input / 1M$1.32$1.25Best
Output / 1M$3.96Best$4.25
Blended / 1M$1.98Best$2.00
Context window1M1M
Open weightsYesNo
Released13 Aug 20262 Sept 2026

Your monthly bill

50k
DeepSeek V4 Pro$396Cheapest
Muse Spark 1.3$400
List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.