GLM-5.3-Flash Intelligence, Performance and Price Analysis

2026-08-26 | original

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Why This Matters

GLM-5.3-Flash stands out as a high-performing, cost-effective AI model with impressive intelligence scores and extensive text generation capabilities. Its competitive pricing and robust performance make it a significant option for both developers and businesses seeking advanced AI solutions. This development underscores the ongoing trend of accessible, powerful AI models shaping the future of natural language processing.

Key Takeaways

GLM-5.3-Flash has a high Intelligence Index score of 57, well above average.
It offers a large 400k token context window for complex text tasks.
The model is competitively priced at $0.15 per 1M input tokens and $0.50 per 1M output tokens.

GLM-5.3-Flash is amongst the leading models in intelligence and well priced when comparing to other models of similar price. The model supports text input, outputs text, and has a 400k tokens context window.

GLM-5.3-Flash scores 57 on the Artificial Analysis Intelligence Index, placing it well above average among comparable models (median: 18). When evaluating the Intelligence Index, it generated 150M tokens, which is very verbose in comparison to the median of 64M.

Pricing for GLM-5.3-Flash is $0.15 per 1M input tokens (competitively priced, median: $0.25) and $0.50 per 1M output tokens (competitively priced, median: $0.90). In total, it cost $138.02 to evaluate GLM-5.3-Flash on the Intelligence Index.

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