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GLM-5.3 vs GPT-6.1 Sol API pricing

For a chat message (1K input, 500 output), GLM-5.3 costs $0.000779 per request and GPT-6.1 Sol costs $0.007, so GLM-5.3 is about 9× cheaper.

On the overall leaderboard GLM-5.3 ranks #15 and GPT-6.1 Sol ranks #6.

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 tokensGLM-5.3GPT-6.1 Sol
Input$0.079$2
Output$1.4$10
Cached input$0.078$0.1
ProviderZ.aiOpenAI
Release date2026-08-18—
Overall rank#15#6
Coding rank#24#8
Reasoning rank#29#1
Knowledge rank—#3
Professional work rank#14#12
Verified2026-10-192026-10-19
Price sourcePrice sourcePrice source

Cost per request by usage

Without cache discounts or batch pricing.

UsageGLM-5.3GPT-6.1 SolDifference
Chat message1K in / 500 out$0.000779$0.78 per 1,000$0.007$7 per 1,000GLM-5.3 is 9× cheaper
Long document100K in / 2K out$0.0107$10.7 per 1,000$0.22$220 per 1,000GLM-5.3 is 21× cheaper
Agent session500K in / 50K out$0.11$109.5 per 1,000$1.5$1,500 per 1,000GLM-5.3 is 14× cheaper

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