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DeepSeek V4.1 Flash 1017 vs Muse Spark 1.3 API pricing

For a chat message (1K input, 500 output), DeepSeek V4.1 Flash 1017 costs $0.00045 per request and Muse Spark 1.3 costs $0.00337, so DeepSeek V4.1 Flash 1017 is about 7.5× cheaper.

On the overall leaderboard DeepSeek V4.1 Flash 1017 ranks #15 and Muse Spark 1.3 ranks #9.

Prices are the standard pay-as-you-go prices in OpenRouter's public model list, with input at the cache-miss price. Models OpenRouter does not list use the vendor's official price; those listed in CNY are converted to USD at this round's exchange rate.

Prices and rankings

USD per million tokensDeepSeek V4.1 Flash 1017Muse Spark 1.3
Input$0.15$1.25
Output$0.6$4.25
Cached input$0.003$0.15
ProviderdeepseekMeta
Release date—2026-09-02
Overall rank#15#9
Coding rank——
Reasoning rank—#18
Knowledge rank——
Professional work rank#14#29
Verified2026-10-202026-10-20
Price sourcePrice sourcePrice source

Cost per request by usage

Without cache discounts or batch pricing.

UsageDeepSeek V4.1 Flash 1017Muse Spark 1.3Difference
Chat message1K in / 500 out$0.00045$0.45 per 1,000$0.00337$3.38 per 1,000DeepSeek V4.1 Flash 1017 is 7.5× cheaper
Long document100K in / 2K out$0.0162$16.2 per 1,000$0.13$133.5 per 1,000DeepSeek V4.1 Flash 1017 is 8.2× cheaper
Agent session500K in / 50K out$0.1$105 per 1,000$0.84$837.5 per 1,000DeepSeek V4.1 Flash 1017 is 8× cheaper

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