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All model prices

Claude Fable 5 vs Kimi K3.1 Pro API pricing

For a chat message (1K input, 500 output), Kimi K3.1 Pro costs $0.007 per request and Claude Fable 5 costs $0.035, so Kimi K3.1 Pro is about 5× cheaper.

On the overall leaderboard Claude Fable 5 ranks #7 and Kimi K3.1 Pro ranks #2.

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.

Work it out for your own usageSee the model leaderboard

Prices and rankings

USD per million tokensClaude Fable 5Kimi K3.1 Pro
Input$10$2
Output$50$10
Cached input$1$0.2
ProviderAnthropicKimi
Release date2026-06-092026-10-23
Overall rank#7#2
Coding rank#3—
Reasoning rank#8—
Knowledge rank#6—
Professional work rank#11—
Verified2026-10-312026-10-31
Price sourcePrice sourcePrice source

Cost per request by usage

Without cache discounts or batch pricing.

UsageClaude Fable 5Kimi K3.1 ProDifference
Chat message1K in / 500 out$0.035$35 per 1,000$0.007$7 per 1,000Kimi K3.1 Pro is 5× cheaper
Long document100K in / 2K out$1.1$1,100 per 1,000$0.22$220 per 1,000Kimi K3.1 Pro is 5× cheaper
Agent session500K in / 50K out$7.5$7,500 per 1,000$1.5$1,500 per 1,000Kimi K3.1 Pro is 5× cheaper

More price comparisons

Claude Fable 5 vs other models

Kimi K3.1 Pro vs other models