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All model prices

Claude Fable 5.2 vs Claude Opus 5.5 API pricing

For a chat message (1K input, 500 output), Claude Opus 5.5 costs $0.014 per request and Claude Fable 5.2 costs $0.028, so Claude Opus 5.5 is about 2× cheaper.

On the overall leaderboard Claude Fable 5.2 ranks #1 and Claude Opus 5.5 ranks #3.

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 5.2Claude Opus 5.5
Input$8$4
Output$40$20
Cached input$0.2$0.2
ProviderAnthropicAnthropic
Release date2026-11-092026-09-17
Overall rank#1#3
Coding rank—#1
Reasoning rank—#3
Knowledge rank#1#7
Professional work rank—#3
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 5.5Difference
Chat message1K in / 500 out$0.028$28 per 1,000$0.014$14 per 1,000Claude Opus 5.5 is 2× cheaper
Long document100K in / 2K out$0.88$880 per 1,000$0.44$440 per 1,000Claude Opus 5.5 is 2× cheaper
Agent session500K in / 50K out$6$6,000 per 1,000$3$3,000 per 1,000Claude Opus 5.5 is 2× cheaper

More price comparisons

Claude Fable 5.2 vs other models

Claude Opus 5.5 vs other models