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Claude Fable 5.2 vs Claude Opus 5 API pricing

For a chat message (1K input, 500 output), Claude Opus 5 costs $0.0175 per request and Claude Fable 5.2 costs $0.028, so Claude Opus 5 is about 1.6× cheaper.

On the overall leaderboard Claude Fable 5.2 ranks #1 and Claude Opus 5 ranks #11.

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 5.2Claude Opus 5
Input$8$5
Output$40$25
Cached input$0.2$0.5
ProviderAnthropicAnthropic
Release date2026-11-092026-07-24
Overall rank#1#11
Coding rank—#6
Reasoning rank—#9
Knowledge rank#1#18
Professional work rank—#7
Verified2026-11-132026-11-13
Price sourcePrice sourcePrice source

Cost per request by usage

Without cache discounts or batch pricing.

UsageClaude Fable 5.2Claude Opus 5Difference
Chat message1K in / 500 out$0.028$28 per 1,000$0.0175$17.5 per 1,000Claude Opus 5 is 1.6× cheaper
Long document100K in / 2K out$0.88$880 per 1,000$0.55$550 per 1,000Claude Opus 5 is 1.6× cheaper
Agent session500K in / 50K out$6$6,000 per 1,000$3.75$3,750 per 1,000Claude Opus 5 is 1.6× cheaper

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