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Claude Opus 5.5 vs Grok 4.7 API pricing

For a chat message (1K input, 500 output), Grok 4.7 costs $0.005 per request and Claude Opus 5.5 costs $0.014, so Grok 4.7 is about 2.8× cheaper.

On the overall leaderboard Claude Opus 5.5 ranks #1 and Grok 4.7 ranks #12.

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 Opus 5.5Grok 4.7
Input$4$2
Output$20$6
Cached input$0.2$0.5
ProviderAnthropicxAI
Release date2026-09-172026-09-21
Overall rank#1#12
Coding rank#1#15
Reasoning rank#3—
Knowledge rank#5#16
Professional work rank#3#19
Verified2026-10-192026-10-19
Price sourcePrice sourcePrice source

Cost per request by usage

Without cache discounts or batch pricing.

UsageClaude Opus 5.5Grok 4.7Difference
Chat message1K in / 500 out$0.014$14 per 1,000$0.005$5 per 1,000Grok 4.7 is 2.8× cheaper
Long document100K in / 2K out$0.44$440 per 1,000$0.21$212 per 1,000Grok 4.7 is 2.1× cheaper
Agent session500K in / 50K out$3$3,000 per 1,000$1.3$1,300 per 1,000Grok 4.7 is 2.3× cheaper

More price comparisons