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Claude Fable 5 vs DeepSeek V4.1 Flash 1017 API pricing

For a chat message (1K input, 500 output), DeepSeek V4.1 Flash 1017 costs $0.00045 per request and Claude Fable 5 costs $0.035, so DeepSeek V4.1 Flash 1017 is about 78× cheaper.

On the overall leaderboard Claude Fable 5 ranks #5 and DeepSeek V4.1 Flash 1017 ranks #15.

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 tokensClaude Fable 5DeepSeek V4.1 Flash 1017
Input$10$0.15
Output$50$0.6
Cached input$1$0.003
ProviderAnthropicdeepseek
Release date2026-06-09—
Overall rank#5#15
Coding rank#3—
Reasoning rank#8—
Knowledge rank#6—
Professional work rank#10#14
Verified2026-10-202026-10-20
Price sourcePrice sourcePrice source

Cost per request by usage

Without cache discounts or batch pricing.

UsageClaude Fable 5DeepSeek V4.1 Flash 1017Difference
Chat message1K in / 500 out$0.035$35 per 1,000$0.00045$0.45 per 1,000DeepSeek V4.1 Flash 1017 is 78× cheaper
Long document100K in / 2K out$1.1$1,100 per 1,000$0.0162$16.2 per 1,000DeepSeek V4.1 Flash 1017 is 68× cheaper
Agent session500K in / 50K out$7.5$7,500 per 1,000$0.1$105 per 1,000DeepSeek V4.1 Flash 1017 is 71× cheaper

More price comparisons